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45 relations: Atomic coherence, Avoided crossing, Boson, Copper(I) oxide, David Bohm, David Pines, Dipole, Dispersion (optics), Electromagnetic radiation, Exciton, Exciton-polaritons, Fermion, Frequency, Gallium phosphide, Huang Kun, Infrared, Intersubband polariton, John Hopfield, Journal of Research of the National Institute of Standards and Technology, Kirill Tolpygo, Level repulsion, Light, Magnon, National Research Council (Italy), Newsweek, Normal mode, Phonon, Photon, Photonic crystal, Physics, Plasmon, Plexciton, Polariton laser, Polariton superfluid, Polaritonics, Polaron, Quantum, Quantum computing, Quasiparticle, Resonance, Science (journal), Solomon Isaakovich Pekar, Surface plasmon, Surface plasmon polariton, Terahertz radiation.
Atomic coherence
In physics, atomic coherence is the induced coherence between levels of a multi-level atomic system sometimes observed when it interacts with a coherent electromagnetic field.
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Avoided crossing
In quantum physics and quantum chemistry, an avoided crossing (sometimes called intended crossing, non-crossing or anticrossing) is the phenomenon where two eigenvalues of an Hermitian matrix representing a quantum observable and depending on N continuous real parameters cannot become equal in value ("cross") except on a manifold of N-2 dimensions.
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Boson
In quantum mechanics, a boson is a particle that follows Bose–Einstein statistics.
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Copper(I) oxide
Copper(I) oxide or cuprous oxide is the inorganic compound with the formula Cu2O.
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David Bohm
David Joseph Bohm FRS (December 20, 1917 – October 27, 1992) was an American scientist who has been described as one of the most significant theoretical physicists of the 20th centuryF.
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David Pines
David Pines (June 8, 1924 May 3, 2018) was the founding director of the Institute for Complex Adaptive Matter (ICAM) and the International Institute for Complex Adaptive Matter (I2CAM) (respectively, US-wide and international institutions dedicated to research in and the understanding of emergent phenomena), distinguished professor of physics, University of California, Davis, research professor of physics and professor emeritus of physics and electrical and computer engineering in the Center for Advanced Study, University of Illinois at Urbana-Champaign (UIUC), and a staff member in the office of the Materials, Physics, and Applications Division at the Los Alamos National Laboratory.
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Dipole
In electromagnetism, there are two kinds of dipoles.
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Dispersion (optics)
In optics, dispersion is the phenomenon in which the phase velocity of a wave depends on its frequency.
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Electromagnetic radiation
In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space-time, carrying electromagnetic radiant energy.
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Exciton
An exciton is a bound state of an electron and an electron hole which are attracted to each other by the electrostatic Coulomb force.
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Exciton-polaritons
Exciton-polaritons are a type of polaritons, hybrid light and matter quasiparticles arising from the strong coupling of the electromagnetic dipolar oscillations of excitons (either in bulk or quantum wells) and photons.
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Fermion
In particle physics, a fermion is a particle that follows Fermi–Dirac statistics.
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Frequency
Frequency is the number of occurrences of a repeating event per unit of time.
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Gallium phosphide
Gallium phosphide, a phosphide of gallium, is a compound semiconductor material with an indirect band gap of 2.26 eV(300K).
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Huang Kun
Huang Kun (September 2, 1919 – July 6, 2005), born in Beijing, an academician of the Chinese Academy of Sciences, was a well-known physicist in the People's Republic of China.
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Infrared
Infrared radiation (IR) is electromagnetic radiation (EMR) with longer wavelengths than those of visible light, and is therefore generally invisible to the human eye (although IR at wavelengths up to 1050 nm from specially pulsed lasers can be seen by humans under certain conditions). It is sometimes called infrared light.
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Intersubband polariton
Intersubband transitions are dipole and are allowed optical excitations between the quantized electronic energy levels within the conduction band of semiconductor heterostructures.
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John Hopfield
John Joseph Hopfield (born July 15, 1933) is an American scientist most widely known for his invention of an associative neural network in 1982.
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Journal of Research of the National Institute of Standards and Technology
The Journal of Research of the National Institute of Standards and Technology is the flagship peer-reviewed scientific journal of the National Institute of Standards and Technology.
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Kirill Tolpygo
Kirill Borisovich Tolpygo (Russian: Кирилл Борисович Толпыго; Ukrainian: Кирилo Борисович Толпиго; 3 May 1916 – 13 May 1994), also known as K. B. Tolpygo, was a Soviet physicist and a corresponding member of the National Academy of Sciences of Ukraine.
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Level repulsion
A system of two coupled oscillators has two natural frequencies.
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Light
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.
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Magnon
A magnon is a quasiparticle, a collective excitation of the electrons' spin structure in a crystal lattice.
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National Research Council (Italy)
The Consiglio Nazionale delle Ricerche (CNR) or National Research Council, is the largest research council in Italy.
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Newsweek
Newsweek is an American weekly magazine founded in 1933.
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Normal mode
A normal mode of an oscillating system is a pattern of motion in which all parts of the system move sinusoidally with the same frequency and with a fixed phase relation.
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Phonon
In physics, a phonon is a collective excitation in a periodic, elastic arrangement of atoms or molecules in condensed matter, like solids and some liquids.
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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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Photonic crystal
A photonic crystal is a periodic optical nanostructure that affects the motion of photons in much the same way that ionic lattices affect electrons in solids.
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Physics
Physics (from knowledge of nature, from φύσις phýsis "nature") is the natural science that studies matterAt the start of The Feynman Lectures on Physics, Richard Feynman offers the atomic hypothesis as the single most prolific scientific concept: "If, in some cataclysm, all scientific knowledge were to be destroyed one sentence what statement would contain the most information in the fewest words? I believe it is that all things are made up of atoms – little particles that move around in perpetual motion, attracting each other when they are a little distance apart, but repelling upon being squeezed into one another..." and its motion and behavior through space and time and that studies the related entities of energy and force."Physical science is that department of knowledge which relates to the order of nature, or, in other words, to the regular succession of events." Physics is one of the most fundamental scientific disciplines, and its main goal is to understand how the universe behaves."Physics is one of the most fundamental of the sciences. Scientists of all disciplines use the ideas of physics, including chemists who study the structure of molecules, paleontologists who try to reconstruct how dinosaurs walked, and climatologists who study how human activities affect the atmosphere and oceans. Physics is also the foundation of all engineering and technology. No engineer could design a flat-screen TV, an interplanetary spacecraft, or even a better mousetrap without first understanding the basic laws of physics. (...) You will come to see physics as a towering achievement of the human intellect in its quest to understand our world and ourselves."Physics is an experimental science. Physicists observe the phenomena of nature and try to find patterns that relate these phenomena.""Physics is the study of your world and the world and universe around you." Physics is one of the oldest academic disciplines and, through its inclusion of astronomy, perhaps the oldest. Over the last two millennia, physics, chemistry, biology, and certain branches of mathematics were a part of natural philosophy, but during the scientific revolution in the 17th century, these natural sciences emerged as unique research endeavors in their own right. Physics intersects with many interdisciplinary areas of research, such as biophysics and quantum chemistry, and the boundaries of physics are not rigidly defined. New ideas in physics often explain the fundamental mechanisms studied by other sciences and suggest new avenues of research in academic disciplines such as mathematics and philosophy. Advances in physics often enable advances in new technologies. For example, advances in the understanding of electromagnetism and nuclear physics led directly to the development of new products that have dramatically transformed modern-day society, such as television, computers, domestic appliances, and nuclear weapons; advances in thermodynamics led to the development of industrialization; and advances in mechanics inspired the development of calculus.
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Plasmon
In physics, a plasmon is a quantum of plasma oscillation.
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Plexciton
Plexcitons are polaritonic modes that result from coherently coupled plasmons and excitons.
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Polariton laser
A polariton laser is a novel type of laser source that exploits the coherent nature of Bose condensates of exciton-polaritons in semiconductors to achieve ultra-low threshold lasing.
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Polariton superfluid
Polariton superfluid is predicted to be a state of the exciton-polaritons system that combines the characteristics of lasers with those of excellent electrical conductors.
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Polaritonics
Polaritonics is an intermediate regime between photonics and sub-microwave electronics (see Fig. 1).
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Polaron
A polaron is a quasiparticle used in condensed matter physics to understand the interactions between electrons and atoms in a solid material.
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Quantum
In physics, a quantum (plural: quanta) is the minimum amount of any physical entity (physical property) involved in an interaction.
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Quantum computing
Quantum computing is computing using quantum-mechanical phenomena, such as superposition and entanglement.
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Quasiparticle
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.
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Resonance
In physics, resonance is a phenomenon in which a vibrating system or external force drives another system to oscillate with greater amplitude at specific frequencies.
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Science (journal)
Science, also widely referred to as Science Magazine, is the peer-reviewed academic journal of the American Association for the Advancement of Science (AAAS) and one of the world's top academic journals.
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Solomon Isaakovich Pekar
Solomon Isaakovich Pekar (March 16, 1917 – July 8, 1985), a Soviet theoretical physicist, born in Kiev, Ukraine.
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Surface plasmon
Surface plasmons (SPs) are coherent delocalized electron oscillations that exist at the interface between any two materials where the real part of the dielectric function changes sign across the interface (e.g. a metal-dielectric interface, such as a metal sheet in air).
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Surface plasmon polariton
Surface plasmon polaritons (SPPs) are infrared or visible-frequency electromagnetic waves that travel along a metal–dielectric or metal–air interface.
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Terahertz radiation
Terahertz radiation – also known as submillimeter radiation, terahertz waves, tremendously high frequency (THF), T-rays, T-waves, T-light, T-lux or THz – consists of electromagnetic waves within the ITU-designated band of frequencies from 0.3 to 3 terahertz (THz; 1012 Hz).
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References
[1] https://en.wikipedia.org/wiki/Polariton
