170 relations: ABJM superconformal field theory, Albert Einstein, Alexander Markovich Polyakov, Algebraic holography, Ambient construction, Andrew Strominger, Angular momentum, Anti-de Sitter space, Astrophysics, Atom, Atomic nucleus, Đàm Thanh Sơn, Big Bang, Black hole, Black hole information paradox, Black hole thermodynamics, Boltzmann constant, Boundary value problem, Brookhaven National Laboratory, Charge (physics), Charles Fefferman, Chern–Simons theory, Classical limit, Classical physics, Color charge, Columbia University, Compact space, Compactification (physics), Condensed matter physics, Conformal field theory, Conformal map, Constant (mathematics), Correlation function (quantum field theory), Cosmological constant, Cosmology, Coupling (physics), Coupling constant, Critical point (thermodynamics), Cross section (geometry), Curvature, Cylinder, De Sitter space, Deconfinement, Degrees of freedom, DS/CFT correspondence, Edward Witten, Einstein field equations, Electric charge, Electromagnetic field, Elementary particle, ..., Energy, Entropy, Euclidean geometry, Event horizon, Experimental physics, Extra dimensions, Extremal black hole, Femtometre, Fermion, Feynman diagram, Fluid dynamics, Four-dimensional space, Free field, Friction, Gauge theory, General relativity, Gerard 't Hooft, Gluon, Gold, Gravitational field, Gravity, Hadron, Hawking radiation, Holographic principle, Holography, Hyperbolic geometry, Hyperbolic space, Igor Klebanov, INSPIRE-HEP, Insulator (electricity), Invariant (physics), Ion, Isaac Newton, Jacob Bekenstein, James Clerk Maxwell, Jet quenching, Joël Scherk, John Henry Schwarz, Juan Martín Maldacena, Kelvin, Kerr metric, Laser, Lead, Leonard Susskind, Liouville field theory, Liquid helium, List of Nobel laureates, M-theory, Marc Henneaux, Mass, Mathematical formulation of quantum mechanics, Mathematical model, Mathematical proof, Metric tensor, Minkowski space, Monster group, N = 4 supersymmetric Yang–Mills theory, Neutron, New York University, Non-perturbative, Nuclear force, Nuclear physics, Orders of magnitude (numbers), Orthogonal group, Particle, Particle accelerator, Particle physics, Perturbation theory, Phase (matter), Philip Warren Anderson, Physical system, Physics Today, Planck constant, Poincaré disk model, Principle of relativity, Product topology, Proton, Quantum chromodynamics, Quantum field theory, Quantum gravity, Quantum mechanics, Quark, Quark–gluon plasma, Quasiparticle, Randall–Sundrum model, Regge theory, Relativistic Heavy Ion Collider, Richard Feynman, Rigour, Schrödinger equation, Spacetime, Spin (physics), State of matter, Statistical mechanics, Stephen Hawking, Steven Gubser, String (physics), String theory, Strong interaction, Subatomic particle, Subir Sachdev, Superconductivity, Superconformal algebra, Superfluidity, Supersymmetry, Surface area, Symmetry, Temperature, Tessellation, The Elegant Universe, Theoretical physics, Type II string theory, Unitarity (physics), Universe, Upper and lower bounds, Vacuum solution, Viscosity, Worldsheet, Yang–Mills theory, 6D (2,0) superconformal field theory. Expand index (120 more) » « Shrink index
In theoretical physics, ABJM theory is a quantum field theory studied by Ofer Aharony, Oren Bergman, Daniel Jafferis, and Juan Maldacena.
Albert Einstein (14 March 1879 – 18 April 1955) was a German-born theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics).
Alexander Markovich Polyakov (Алекса́ндр Ма́ркович Поляко́в; born 27 September 1945) is a Russian theoretical physicist, formerly at the Landau Institute in Moscow and, since 1990, at Princeton University.
Algebraic holography, also sometimes called Rehren duality, is an attempt to understand the holographic principle of quantum gravity within the framework of algebraic quantum field theory, due to Karl-Henning Rehren.
In conformal geometry, the ambient construction refers to a construction of Charles Fefferman and Robin Graham for which a conformal manifold of dimension n is realized (ambiently) as the boundary of a certain Poincaré manifold, or alternatively as the celestial sphere of a certain pseudo-Riemannian manifold.
Andrew Eben Strominger (born 1955) is an American theoretical physicist who is the Director of Harvard's Center for the Fundamental Laws of Nature.
In physics, angular momentum (rarely, moment of momentum or rotational momentum) is the rotational equivalent of linear momentum.
In mathematics and physics, n-dimensional anti-de Sitter space (AdSn) is a maximally symmetric Lorentzian manifold with constant negative scalar curvature.
Astrophysics is the branch of astronomy that employs the principles of physics and chemistry "to ascertain the nature of the astronomical objects, rather than their positions or motions in space".
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element.
The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford based on the 1909 Geiger–Marsden gold foil experiment.
Đàm Thanh Sơn (born 1969 in Hanoi) is a Vietnamese theoretical physicist working in quantum chromodynamics, applications of string theory and many-body physics.
The Big Bang theory is the prevailing cosmological model for the universe from the earliest known periods through its subsequent large-scale evolution.
A black hole is a region of spacetime exhibiting such strong gravitational effects that nothing—not even particles and electromagnetic radiation such as light—can escape from inside it.
The black hole information paradox is a puzzle resulting from the combination of quantum mechanics and general relativity.
In physics, black hole thermodynamics is the area of study that seeks to reconcile the laws of thermodynamics with the existence of black-hole event horizons.
The Boltzmann constant, which is named after Ludwig Boltzmann, is a physical constant relating the average kinetic energy of particles in a gas with the temperature of the gas.
In mathematics, in the field of differential equations, a boundary value problem is a differential equation together with a set of additional constraints, called the boundary conditions.
Brookhaven National Laboratory (BNL) is a United States Department of Energy national laboratory located in Upton, New York, on Long Island, and was formally established in 1947 at the site of Camp Upton, a former U.S. Army base.
In physics, a charge may refer to one of many different quantities, such as the electric charge in electromagnetism or the color charge in quantum chromodynamics.
Charles Louis Fefferman (born April 18, 1949) is an American mathematician at Princeton University.
The Chern–Simons theory, named after Shiing-Shen Chern and James Harris Simons, is a 3-dimensional topological quantum field theory of Schwarz type, developed by Edward Witten.
The classical limit or correspondence limit is the ability of a physical theory to approximate or "recover" classical mechanics when considered over special values of its parameters.
Classical physics refers to theories of physics that predate modern, more complete, or more widely applicable theories.
Color charge is a property of quarks and gluons that is related to the particles' strong interactions in the theory of quantum chromodynamics (QCD).
Columbia University (Columbia; officially Columbia University in the City of New York), established in 1754, is a private Ivy League research university in Upper Manhattan, New York City.
In mathematics, and more specifically in general topology, compactness is a property that generalizes the notion of a subset of Euclidean space being closed (that is, containing all its limit points) and bounded (that is, having all its points lie within some fixed distance of each other).
In physics, compactification means changing a theory with respect to one of its space-time dimensions.
Condensed matter physics is the field of physics that deals with the macroscopic and microscopic physical properties of matter.
A conformal field theory (CFT) is a quantum field theory that is invariant under conformal transformations.
In mathematics, a conformal map is a function that preserves angles locally.
In mathematics, the adjective constant means non-varying.
In quantum field theory, the (real space) n-point correlation function is defined as the functional average (functional expectation value) of a product of n field operators at different positions.
In cosmology, the cosmological constant (usually denoted by the Greek capital letter lambda: Λ) is the value of the energy density of the vacuum of space.
Cosmology (from the Greek κόσμος, kosmos "world" and -λογία, -logia "study of") is the study of the origin, evolution, and eventual fate of the universe.
In physics, two objects are said to be coupled when they are interacting with each other.
In physics, a coupling constant or gauge coupling parameter is a number that determines the strength of the force exerted in an interaction.
In thermodynamics, a critical point (or critical state) is the end point of a phase equilibrium curve.
In geometry and science, a cross section is the non-empty intersection of a solid body in three-dimensional space with a plane, or the analog in higher-dimensional spaces.
In mathematics, curvature is any of a number of loosely related concepts in different areas of geometry.
A cylinder (from Greek κύλινδρος – kulindros, "roller, tumbler"), has traditionally been a three-dimensional solid, one of the most basic of curvilinear geometric shapes.
In mathematics and physics, a de Sitter space is the analog in Minkowski space, or spacetime, of a sphere in ordinary Euclidean space.
In physics, deconfinement (in contrast to confinement) is the property of a phase in which certain particles are allowed to exist as free excitations, rather than only within bound states.
In many scientific fields, the degrees of freedom of a system is the number of parameters of the system that may vary independently.
In string theory, the dS/CFT correspondence is a de Sitter space analogue of the AdS/CFT correspondence, proposed originally by Andrew Strominger.
Edward Witten (born August 26, 1951) is an American theoretical physicist and professor of mathematical physics at the Institute for Advanced Study in Princeton, New Jersey.
The Einstein field equations (EFE; also known as Einstein's equations) comprise the set of 10 equations in Albert Einstein's general theory of relativity that describe the fundamental interaction of gravitation as a result of spacetime being curved by mass and energy.
Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.
An electromagnetic field (also EMF or EM field) is a physical field produced by electrically charged objects.
In particle physics, an elementary particle or fundamental particle is a particle with no substructure, thus not composed of other particles.
In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.
In statistical mechanics, entropy is an extensive property of a thermodynamic system.
Euclidean geometry is a mathematical system attributed to Alexandrian Greek mathematician Euclid, which he described in his textbook on geometry: the Elements.
In general relativity, an event horizon is a region in spacetime beyond which events cannot affect an outside observer.
Experimental physics is the category of disciplines and sub-disciplines in the field of physics that are concerned with the observation of physical phenomena and experiments.
In physics, extra dimensions are proposed additional space or time dimensions beyond the (3 + 1) typical of observed spacetime, such as the first attempts based on the Kaluza–Klein theory.
In theoretical physics, an extremal black hole is a black hole with the minimal possible mass that can be compatible with a given charge and angular momentum.
The femtometre (American spelling femtometer, symbol fm derived from the Danish and Norwegian word femten, "fifteen"+Ancient Greek: μέτρον, metrοn, "unit of measurement") is an SI unit of length equal to 10−15 metres, which means a quadrillionth of one.
In particle physics, a fermion is a particle that follows Fermi–Dirac statistics.
In theoretical physics, Feynman diagrams are pictorial representations of the mathematical expressions describing the behavior of subatomic particles.
In physics and engineering, fluid dynamics is a subdiscipline of fluid mechanics that describes the flow of fluids - liquids and gases.
A four-dimensional space or 4D space is a mathematical extension of the concept of three-dimensional or 3D space.
In physics a free field is a field without interactions, which is described by the terms of motion and mass.
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.
In physics, a gauge theory is a type of field theory in which the Lagrangian is invariant under certain Lie groups of local transformations.
General relativity (GR, also known as the general theory of relativity or GTR) is the geometric theory of gravitation published by Albert Einstein in 1915 and the current description of gravitation in modern physics.
Gerardus (Gerard) 't Hooft (born July 5, 1946) is a Dutch theoretical physicist and professor at Utrecht University, the Netherlands.
A gluon is an elementary particle that acts as the exchange particle (or gauge boson) for the strong force between quarks.
Gold is a chemical element with symbol Au (from aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally.
In physics, a gravitational field is a model used to explain the influence that a massive body extends into the space around itself, producing a force on another massive body.
Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward (or gravitate toward) one another.
In particle physics, a hadron (ἁδρός, hadrós, "stout, thick") is a composite particle made of quarks held together by the strong force in a similar way as molecules are held together by the electromagnetic force.
Hawking radiation is blackbody radiation that is predicted to be released by black holes, due to quantum effects near the event horizon.
The holographic principle is a principle of string theories and a supposed property of quantum gravity that states that the description of a volume of space can be thought of as encoded on a lower-dimensional boundary to the region—preferably a light-like boundary like a gravitational horizon.
Holography is the science and practice of making holograms.
In mathematics, hyperbolic geometry (also called Bolyai–Lobachevskian geometry or Lobachevskian geometry) is a non-Euclidean geometry.
In mathematics, hyperbolic space is a homogeneous space that has a constant negative curvature, where in this case the curvature is the sectional curvature.
Igor Romanovich Klebanov (И́горь Романович Клеба́нов; 29 March 1962) is a theoretical physicist whose research is centered on relations between string theory and quantum gauge field theory.
INSPIRE-HEP is an open access digital library for the field of high energy physics (HEP).
An electrical insulator is a material whose internal electric charges do not flow freely; very little electric current will flow through it under the influence of an electric field.
In mathematics and theoretical physics, an invariant is a property of a system which remains unchanged under some transformation.
An ion is an atom or molecule that has a non-zero net electrical charge (its total number of electrons is not equal to its total number of protons).
Sir Isaac Newton (25 December 1642 – 20 March 1726/27) was an English mathematician, astronomer, theologian, author and physicist (described in his own day as a "natural philosopher") who is widely recognised as one of the most influential scientists of all time, and a key figure in the scientific revolution.
Jacob David Bekenstein (יעקב בקנשטיין; May 1, 1947 – August 16, 2015) was a Mexican-born Israeli-American theoretical physicist who made fundamental contributions to the foundation of black hole thermodynamics and to other aspects of the connections between information and gravitation.
James Clerk Maxwell (13 June 1831 – 5 November 1879) was a Scottish scientist in the field of mathematical physics.
In high-energy physics, jet quenching is a phenomenon that can occur in the collision of ultra-high-energy particles.
Joël Scherk (1946 – 16 May 1980), often cited as Joel Scherk, was a French theoretical physicist who studied string theory and supergravity.
John Henry Schwarz (born November 22, 1941) is an American theoretical physicist.
Juan Martín Maldacena (September 10, 1968 in Buenos Aires, Argentina) is a theoretical physicist.
The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.
The Kerr metric or Kerr geometry describes the geometry of empty spacetime around a rotating uncharged axially-symmetric black hole with a spherical event horizon.
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.
Lead is a chemical element with symbol Pb (from the Latin plumbum) and atomic number 82.
Leonard Susskind (born 1940)his 60th birthday was celebrated with a special symposium at Stanford University.
In physics, Liouville field theory (or simply Liouville theory) is a two-dimensional conformal field theory whose classical equation of motion is a generalization of Liouville's equation.
At standard pressure, the chemical element helium exists in a liquid form only at the extremely low temperature of −270 °C (about 4 K or −452.2 °F).
The Nobel Prizes (Nobelpriset, Nobelprisen) are prizes awarded annually by the Royal Swedish Academy of Sciences, the Swedish Academy, the Karolinska Institutet, and the Norwegian Nobel Committee to individuals and organizations who make outstanding contributions in the fields of chemistry, physics, literature, peace, and physiology or medicine.
M-theory is a theory in physics that unifies all consistent versions of superstring theory.
Marc Henneaux is a Belgian theoretical physicist and professor at the Université Libre de Bruxelles (ULB) who was born in Brussels on March 5, 1955.
Mass is both a property of a physical body and a measure of its resistance to acceleration (a change in its state of motion) when a net force is applied.
The mathematical formulations of quantum mechanics are those mathematical formalisms that permit a rigorous description of quantum mechanics.
A mathematical model is a description of a system using mathematical concepts and language.
In mathematics, a proof is an inferential argument for a mathematical statement.
In the mathematical field of differential geometry, a metric tensor is a type of function which takes as input a pair of tangent vectors and at a point of a surface (or higher dimensional differentiable manifold) and produces a real number scalar in a way that generalizes many of the familiar properties of the dot product of vectors in Euclidean space.
In mathematical physics, Minkowski space (or Minkowski spacetime) is a combining of three-dimensional Euclidean space and time into a four-dimensional manifold where the spacetime interval between any two events is independent of the inertial frame of reference in which they are recorded.
In the area of modern algebra known as group theory, the Monster group M (also known as the Fischer–Griess Monster, or the Friendly Giant) is the largest sporadic simple group, having order The finite simple groups have been completely classified.
New York University (NYU) is a private nonprofit research university based in New York City.
In mathematics and physics, a non-perturbative function or process is one that cannot be accurately described by perturbation theory.
The nuclear force (or nucleon–nucleon interaction or residual strong force) is a force that acts between the protons and neutrons of atoms.
Nuclear physics is the field of physics that studies atomic nuclei and their constituents and interactions.
This list contains selected positive numbers in increasing order, including counts of things, dimensionless quantity and probabilities.
In mathematics, the orthogonal group in dimension, denoted, is the group of distance-preserving transformations of a Euclidean space of dimension that preserve a fixed point, where the group operation is given by composing transformations.
In the physical sciences, a particle (or corpuscule in older texts) is a small localized object to which can be ascribed several physical or chemical properties such as volume, density or mass.
A particle accelerator is a machine that uses electromagnetic fields to propel charged particles to nearly light speed and to contain them in well-defined beams.
Particle physics (also high energy physics) is the branch of physics that studies the nature of the particles that constitute matter and radiation.
Perturbation theory comprises mathematical methods for finding an approximate solution to a problem, by starting from the exact solution of a related, simpler problem.
In the physical sciences, a phase is a region of space (a thermodynamic system), throughout which all physical properties of a material are essentially uniform.
Philip Warren Anderson (born December 13, 1923) is an American physicist and Nobel laureate.
In physics, a physical system is a portion of the physical universe chosen for analysis.
Physics Today is the membership magazine of the American Institute of Physics that was established in 1948.
The Planck constant (denoted, also called Planck's constant) is a physical constant that is the quantum of action, central in quantum mechanics.
In geometry, the Poincaré disk model, also called the conformal disk model, is a model of 2-dimensional hyperbolic geometry in which the points of the geometry are inside the unit disk, and the straight lines consist of all segments of circles contained within that disk that are orthogonal to the boundary of the disk, plus all diameters of the disk.
In physics, the principle of relativity is the requirement that the equations describing the laws of physics have the same form in all admissible frames of reference.
In topology and related areas of mathematics, a product space is the cartesian product of a family of topological spaces equipped with a natural topology called the product topology.
In theoretical physics, quantum chromodynamics (QCD) is the theory of the strong interaction between quarks and gluons, the fundamental particles that make up composite hadrons such as the proton, neutron and pion.
In theoretical physics, quantum field theory (QFT) is the theoretical framework for constructing quantum mechanical models of subatomic particles in particle physics and quasiparticles in condensed matter physics.
Quantum gravity (QG) is a field of theoretical physics that seeks to describe gravity according to the principles of quantum mechanics, and where quantum effects cannot be ignored, such as near compact astrophysical objects where the effects of gravity are strong.
Quantum mechanics (QM; also known as quantum physics, quantum theory, the wave mechanical model, or matrix mechanics), including quantum field theory, is a fundamental theory in physics which describes nature at the smallest scales of energy levels of atoms and subatomic particles.
A quark is a type of elementary particle and a fundamental constituent of matter.
A quark–gluon plasma (QGP) or quark soup is a state of matter in quantum chromodynamics (QCD) which exists at extremely high temperature and/or density.
In physics, quasiparticles and collective excitations (which are closely related) are emergent phenomena that occur when a microscopically complicated system such as a solid behaves as if it contained different weakly interacting particles in free space.
In physics, Randall–Sundrum models (also called 5-dimensional warped geometry theory) are models that describe the world in terms of a warped geometry higher-dimensional universe, or more concretely as a 5-dimensional anti-de Sitter space where the elementary particles (except the graviton) are localized on a (3 + 1)-dimensional brane or branes.
In quantum physics, Regge theory is the study of the analytic properties of scattering as a function of angular momentum, where the angular momentum is not restricted to be an integer multiple of ħ but is allowed to take any complex value.
The Relativistic Heavy Ion Collider (RHIC) is the first and one of only two operating heavy-ion colliders, and the only spin-polarized proton collider ever built.
Richard Phillips Feynman (May 11, 1918 – February 15, 1988) was an American theoretical physicist, known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, and the physics of the superfluidity of supercooled liquid helium, as well as in particle physics for which he proposed the parton model.
Rigour (British English) or rigor (American English; see spelling differences) describes a condition of stiffness or strictness.
In quantum mechanics, the Schrödinger equation is a mathematical equation that describes the changes over time of a physical system in which quantum effects, such as wave–particle duality, are significant.
In physics, spacetime is any mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional continuum.
In quantum mechanics and particle physics, spin is an intrinsic form of angular momentum carried by elementary particles, composite particles (hadrons), and atomic nuclei.
In physics, a state of matter is one of the distinct forms in which matter can exist.
Statistical mechanics is one of the pillars of modern physics.
Stephen William Hawking (8 January 1942 – 14 March 2018) was an English theoretical physicist, cosmologist, and author, who was director of research at the Centre for Theoretical Cosmology at the University of Cambridge at the time of his death.
Steven Scott Gubser (born 4 May 1972) is a professor of physics at Princeton University.
In physics, a string is a physical phenomenon that appears in string theory and related subjects.
In physics, string theory is a theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings.
In particle physics, the strong interaction is the mechanism responsible for the strong nuclear force (also called the strong force or nuclear strong force), and is one of the four known fundamental interactions, with the others being electromagnetism, the weak interaction, and gravitation.
In the physical sciences, subatomic particles are particles much smaller than atoms.
Subir Sachdev is Herchel Smith Professor of Physics at Harvard University specializing in condensed matter.
Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic flux fields occurring in certain materials, called superconductors, when cooled below a characteristic critical temperature.
In theoretical physics, the superconformal algebra is a graded Lie algebra or superalgebra that combines the conformal algebra and supersymmetry.
Superfluidity is the characteristic property of a fluid with zero viscosity which therefore flows without loss of kinetic energy.
In particle physics, supersymmetry (SUSY) is a theory that proposes a relationship between two basic classes of elementary particles: bosons, which have an integer-valued spin, and fermions, which have a half-integer spin.
The surface area of a solid object is a measure of the total area that the surface of the object occupies.
Symmetry (from Greek συμμετρία symmetria "agreement in dimensions, due proportion, arrangement") in everyday language refers to a sense of harmonious and beautiful proportion and balance.
Temperature is a physical quantity expressing hot and cold.
A tessellation of a flat surface is the tiling of a plane using one or more geometric shapes, called tiles, with no overlaps and no gaps.
The Elegant Universe: Superstrings, Hidden Dimensions, and the Quest for the Ultimate Theory is a book by Brian Greene published in 1999, which introduces string and superstring theory, and provides a comprehensive though non-technical assessment of the theory and some of its shortcomings.
Theoretical physics is a branch of physics that employs mathematical models and abstractions of physical objects and systems to rationalize, explain and predict natural phenomena.
In theoretical physics, type II string theory is a unified term that includes both type IIA strings and type IIB strings theories.
In quantum physics, unitarity is a restriction on the allowed evolution of quantum systems that ensures the sum of probabilities of all possible outcomes of any event always equals 1.
The Universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy.
In mathematics, especially in order theory, an upper bound of a subset S of some partially ordered set (K, ≤) is an element of K which is greater than or equal to every element of S. The term lower bound is defined dually as an element of K which is less than or equal to every element of S. A set with an upper bound is said to be bounded from above by that bound, a set with a lower bound is said to be bounded from below by that bound.
A vacuum solution is a solution of a field equation in which the sources of the field are taken to be identically zero.
The viscosity of a fluid is the measure of its resistance to gradual deformation by shear stress or tensile stress.
In string theory, a worldsheet is a two-dimensional manifold which describes the embedding of a string in spacetime.
Yang–Mills theory is a gauge theory based on the SU(''N'') group, or more generally any compact, reductive Lie algebra.
In theoretical physics, the six-dimensional (2,0)-superconformal field theory is a quantum field theory whose existence is predicted by arguments in string theory.