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75 relations: Absolute zero, Advanced wave, Albert Einstein, Atom, Basis function, Boris Podolsky, Brady Haran, Cat, Cat state, Complementarity (physics), Consensus reality, Consistent histories, Copenhagen interpretation, Dark energy, Double-slit experiment, Einselection, Elitzur–Vaidman bomb tester, Ensemble interpretation, EPR paradox, Erwin Schrödinger, Fondation Louis-de-Broglie, Geiger counter, Gunpowder, Half-life, Heisenberg cut, Heisenbug, Hugh Everett III, Hydrogen cyanide, Instability, Interpretations of quantum mechanics, Irreversible process, Leggett–Garg inequality, Linear combination, Many-worlds interpretation, Max Tegmark, Max von Laue, Maxwell's demon, Measurement in quantum mechanics, Measurement problem, Mesoscopic physics, Micro black hole, Modal realism, Nathan Rosen, New Scientist, Niels Bohr, Objective collapse theory, Observer (quantum physics), Observer effect (physics), Paradox, Photon, ..., Quantum computing, Quantum decoherence, Quantum entanglement, Quantum mechanics, Quantum suicide and immortality, Quantum superposition, Quantum Zeno effect, Qubit, Radioactive decay, Relational quantum mechanics, Roger Penrose, Schrödinger equation, Schrödinger's cat in popular culture, SQUID, Stanford Encyclopedia of Philosophy, Subatomic particle, The Science of Nature, Thought experiment, Time evolution, Touchstone (metaphor), Transactional interpretation, University of Nottingham, Wave function, Wigner's friend, Wojciech H. Zurek. Expand index (25 more) »
Absolute zero
Absolute zero is the lower limit of the thermodynamic temperature scale, a state at which the enthalpy and entropy of a cooled ideal gas reach their minimum value, taken as 0.
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Advanced wave
Advanced wave is also referred as advanced potential, advanced field and advanced solution.
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Albert Einstein
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).
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Atom
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element.
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Basis function
In mathematics, a basis function is an element of a particular basis for a function space.
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Boris Podolsky
Boris Yakovlevich Podolsky (Бори́с Я́ковлевич Подо́льский; 29 June 1896 – 28 November 1966) was a Russian-American physicist of Russian Jewish descent, noted for his work with Albert Einstein and Nathan Rosen on entangled wave functions and the EPR paradox.
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Brady Haran
Brady John Haran (born 18 June 1976) is an Australian-born British independent filmmaker and video journalist who is known for his educational videos and documentary films produced for BBC News and his YouTube channels, the most notable being Periodic Videos and Numberphile.
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Cat
The domestic cat (Felis silvestris catus or Felis catus) is a small, typically furry, carnivorous mammal.
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Cat state
In quantum computing, the cat state, named after Schrödinger's cat, is a quantum superposition of two macroscopically distinct states.
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Complementarity (physics)
In physics, complementarity is both a theoretical and an experimental result of quantum mechanics, also referred to as principle of complementarity.
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Consensus reality
Consensus reality is that which is generally agreed to be reality, based on a consensus view.
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Consistent histories
In quantum mechanics, the consistent histories (also referred to as decoherent histories) approach is intended to give a modern interpretation of quantum mechanics, generalising the conventional Copenhagen interpretation and providing a natural interpretation of quantum cosmology.
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Copenhagen interpretation
The Copenhagen interpretation is an expression of the meaning of quantum mechanics that was largely devised in the years 1925 to 1927 by Niels Bohr and Werner Heisenberg.
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Dark energy
In physical cosmology and astronomy, dark energy is an unknown form of energy which is hypothesized to permeate all of space, tending to accelerate the expansion of the universe.
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Double-slit experiment
In modern physics, the double-slit experiment is a demonstration that light and matter can display characteristics of both classically defined waves and particles; moreover, it displays the fundamentally probabilistic nature of quantum mechanical phenomena.
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Einselection
In quantum mechanics, einselection, short for environment-induced superselection, is a name coined by Wojciech H. Zurek for a process which is claimed to explain the appearance of wavefunction collapse and the emergence of classical descriptions of reality from quantum descriptions.
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Elitzur–Vaidman bomb tester
The Elitzur–Vaidman bomb-tester is a quantum mechanics thought experiment that uses interaction-free measurements to verify that a bomb is functional without having to detonate it.
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Ensemble interpretation
The ensemble interpretation of quantum mechanics considers the quantum state description to apply only to an ensemble of similarly prepared systems, rather than supposing that it exhaustively represents an individual physical system.
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EPR paradox
The Einstein–Podolsky–Rosen paradox or the EPR paradox of 1935 is a thought experiment in quantum mechanics with which Albert Einstein and his colleagues Boris Podolsky and Nathan Rosen (EPR) claimed to demonstrate that the wave function does not provide a complete description of physical reality, and hence that the Copenhagen interpretation is unsatisfactory; resolutions of the paradox have important implications for the interpretation of quantum mechanics.
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Erwin Schrödinger
Erwin Rudolf Josef Alexander Schrödinger (12 August 1887 – 4 January 1961), sometimes written as or, was a Nobel Prize-winning Austrian physicist who developed a number of fundamental results in the field of quantum theory, which formed the basis of wave mechanics: he formulated the wave equation (stationary and time-dependent Schrödinger equation) and revealed the identity of his development of the formalism and matrix mechanics.
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Fondation Louis-de-Broglie
The Fondation Louis-de-Broglie is a French foundation for research into physics.
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Geiger counter
The Geiger counter is an instrument used for detecting and measuring ionizing radiation used widely in applications such as radiation dosimetry, radiological protection, experimental physics and the nuclear industry.
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Gunpowder
Gunpowder, also known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive.
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Half-life
Half-life (symbol t1⁄2) is the time required for a quantity to reduce to half its initial value.
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Heisenberg cut
In quantum mechanics, a Heisenberg cut is the hypothetical interface between quantum events and an observer's information, knowledge, or conscious awareness.
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Heisenbug
In computer programming jargon, a heisenbug is a software bug that seems to disappear or alter its behavior when one attempts to study it.
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Hugh Everett III
Hugh Everett III (November 11, 1930 – July 19, 1982) was an American physicist who first proposed the many-worlds interpretation (MWI) of quantum physics, which he termed his "relative state" formulation.
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Hydrogen cyanide
Hydrogen cyanide (HCN), sometimes called prussic acid, is a chemical compound with the chemical formula HCN.
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Instability
In numerous fields of study, the component of instability within a system is generally characterized by some of the outputs or internal states growing without bounds.
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Interpretations of quantum mechanics
An interpretation of quantum mechanics is an attempt to explain how concepts in quantum mechanics correspond to reality.
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Irreversible process
In science, a process that is not reversible is called irreversible.
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Leggett–Garg inequality
The Leggett–Garg inequality,Quantum Mechanics versus macroscopic realism: is the flux there when nobody looks? A. J. Leggett and Anupam Garg.
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Linear combination
In mathematics, a linear combination is an expression constructed from a set of terms by multiplying each term by a constant and adding the results (e.g. a linear combination of x and y would be any expression of the form ax + by, where a and b are constants).
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Many-worlds interpretation
The many-worlds interpretation is an interpretation of quantum mechanics that asserts the objective reality of the universal wavefunction and denies the actuality of wavefunction collapse.
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Max Tegmark
Max Erik Tegmark (born Max Shapiro 5 May 1967) is a Swedish-American physicist and cosmologist.
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Max von Laue
Max Theodor Felix von Laue (9 October 1879 – 24 April 1960) was a German physicist who won the Nobel Prize in Physics in 1914 for his discovery of the diffraction of X-rays by crystals.
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Maxwell's demon
In the philosophy of thermal and statistical physics, Maxwell's demon is a thought experiment created by the physicist James Clerk Maxwell in which he suggested how the second law of thermodynamics might hypothetically be violated.
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Measurement in quantum mechanics
The framework of quantum mechanics requires a careful definition of measurement.
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Measurement problem
The measurement problem in quantum mechanics is the problem of how (or whether) wave function collapse occurs.
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Mesoscopic physics
Mesoscopic physics is a subdiscipline of condensed matter physics that deals with materials of an intermediate length.
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Micro black hole
Micro black holes, also called quantum mechanical black holes or mini black holes, are hypothetical tiny black holes, for which quantum mechanical effects play an important role.
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Modal realism
Modal realism is the view propounded by David Kellogg Lewis that all possible worlds are real in the same way as is the actual world: they are "of a kind with this world of ours." It is based on the following tenets: possible worlds exist; possible worlds are not different in kind from the actual world; possible worlds are irreducible entities; the term actual in actual world is indexical, i.e. any subject can declare their world to be the actual one, much as they label the place they are "here" and the time they are "now".
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Nathan Rosen
Nathan Rosen (Hebrew: נתן רוזן; March 22, 1909 – December 18, 1995) was an American-Israeli physicist noted for his study on the structure of the hydrogen atom and his work with Albert Einstein and Boris Podolsky on entangled wave functions and the EPR paradox.
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New Scientist
New Scientist, first published on 22 November 1956, is a weekly, English-language magazine that covers all aspects of science and technology.
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Niels Bohr
Niels Henrik David Bohr (7 October 1885 – 18 November 1962) was a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory, for which he received the Nobel Prize in Physics in 1922.
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Objective collapse theory
Objective collapse theories, also known as quantum mechanical spontaneous localization models (QMSL), are an approach to the interpretational problems of quantum mechanics.
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Observer (quantum physics)
In quantum mechanics, "observation" is synonymous with quantum measurement and "observer" with a measurement apparatus and "observable" with what can be measured.
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Observer effect (physics)
In physics, the observer effect is the theory that simply observing a situation or phenomenon necessarily changes that phenomenon.
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Paradox
A paradox is a statement that, despite apparently sound reasoning from true premises, leads to an apparently self-contradictory or logically unacceptable conclusion.
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Photon
The photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force (even when static via virtual particles).
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Quantum computing
Quantum computing is computing using quantum-mechanical phenomena, such as superposition and entanglement.
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Quantum decoherence
Quantum decoherence is the loss of quantum coherence.
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Quantum entanglement
Quantum entanglement is a physical phenomenon which occurs when pairs or groups of particles are generated, interact, or share spatial proximity in ways such that the quantum state of each particle cannot be described independently of the state of the other(s), even when the particles are separated by a large distance—instead, a quantum state must be described for the system as a whole.
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Quantum mechanics
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.
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Quantum suicide and immortality
In quantum mechanics, quantum suicide is a thought experiment, originally published independently by Hans Moravec in 1987 (If MWI is true, apocalyptic particle accelerators won't function as advertised).
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Quantum superposition
Quantum superposition is a fundamental principle of quantum mechanics.
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Quantum Zeno effect
The quantum Zeno effect (also known as the Turing paradox) is a feature of quantum mechanical systems allowing a particle's time evolution to be arrested by measuring it frequently enough with respect to some chosen measurement setting.
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Qubit
In quantum computing, a qubit or quantum bit (sometimes qbit) is a unit of quantum information—the quantum analogue of the classical binary bit.
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Radioactive decay
Radioactive decay (also known as nuclear decay or radioactivity) is the process by which an unstable atomic nucleus loses energy (in terms of mass in its rest frame) by emitting radiation, such as an alpha particle, beta particle with neutrino or only a neutrino in the case of electron capture, gamma ray, or electron in the case of internal conversion.
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Relational quantum mechanics
Relational quantum mechanics (RQM) is an interpretation of quantum mechanics which treats the state of a quantum system as being observer-dependent, that is, the state is the relation between the observer and the system.
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Roger Penrose
Sir Roger Penrose (born 8 August 1931) is an English mathematical physicist, mathematician and philosopher of science.
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Schrödinger equation
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.
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Schrödinger's cat in popular culture
Schrödinger's cat is a thought experiment, usually described as a paradox, devised by Austrian physicist Erwin Schrödinger in 1935.
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SQUID
A SQUID (for superconducting quantum interference device) is a very sensitive magnetometer used to measure extremely subtle magnetic fields, based on superconducting loops containing Josephson junctions.
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Stanford Encyclopedia of Philosophy
The Stanford Encyclopedia of Philosophy (SEP) combines an online encyclopedia of philosophy with peer-reviewed publication of original papers in philosophy, freely accessible to Internet users.
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Subatomic particle
In the physical sciences, subatomic particles are particles much smaller than atoms.
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The Science of Nature
The Science of Nature, formerly Naturwissenschaften, is a monthly peer-reviewed scientific journal published by Springer Science+Business Media covering all aspects of the natural sciences relating to questions of biological significance.
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Thought experiment
A thought experiment (Gedankenexperiment, Gedanken-Experiment or Gedankenerfahrung) considers some hypothesis, theory, or principle for the purpose of thinking through its consequences.
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Time evolution
Time evolution is the change of state brought about by the passage of time, applicable to systems with internal state (also called stateful systems).
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Touchstone (metaphor)
As a metaphor, a touchstone refers to any physical or intellectual measure by which the validity or merit of a concept can be tested.
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Transactional interpretation
The transactional interpretation of quantum mechanics (TIQM) takes the psi and psi* wave functions of the standard quantum formalism to be retarded (forward in time) and advanced (backward in time) waves that form a quantum interaction as a Wheeler–Feynman handshake or transaction.
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University of Nottingham
The University of Nottingham is a public research university in Nottingham, United Kingdom.
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Wave function
A wave function in quantum physics is a mathematical description of the quantum state of an isolated quantum system.
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Wigner's friend
Wigner's friend is a thought experiment proposed by the physicist Eugene Wigner; it is a variation of the Schrödinger's cat thought experiment in which, from the point of view of a human observer, a second observer is in a state of quantum superposition.
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Wojciech H. Zurek
Wojciech Hubert Żurek (born 1951) is a Polish-born naturalized American theoretical physicist and a leading authority on quantum theory, especially decoherence and non-equilibrium dynamics of symmetry breaking and resulting defect generation (known as the Kibble-Zurek mechanism).
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References
[1] https://en.wikipedia.org/wiki/Schrödinger's_cat
