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searching for Reversal symmetry 109 found (224 total)

T-symmetry (4,484 words) [view diff] exact match in snippet view article find links to article

T-symmetry or time reversal symmetry is the theoretical symmetry of physical laws under the transformation of time reversal, T : t ↦ − t . {\displaystyle

Parity (physics) (5,155 words) [view diff] no match in snippet view article

In physics, a parity transformation (also called parity inversion) is the flip in the sign of one spatial coordinate. In three dimensions, it can also

CPT symmetry (1,318 words) [view diff] exact match in snippet view article find links to article

Charge, parity, and time reversal symmetry is a fundamental symmetry of physical laws under the simultaneous transformations of charge conjugation (C)

Loschmidt's paradox (1,682 words) [view diff] exact match in snippet view article find links to article

irreversible process from time-symmetric dynamics. This puts the time reversal symmetry of (almost) all known low-level fundamental physical processes at

S-matrix (9,217 words) [view diff] exact match in snippet view article find links to article

}\ M_{21}=M_{12}^{*}} , whereby time-reversal symmetry is assumed. In the case of time-reversal symmetry, the transfer matrix M {\displaystyle \mathbf

Electron quadruplets (726 words) [view diff] exact match in snippet view article find links to article

a spontaneous Nernst effect that indicates the breaking of time-reversal symmetry. Related states can form in pair-density-wave systems. In systems

Active matter (1,341 words) [view diff] exact match in snippet view article find links to article

conditions imposing steady currents, active matter systems break time reversal symmetry because energy is being continually dissipated by the individual constituents

Michael Cates (1,066 words) [view diff] exact match in snippet view article find links to article

include fundamental field theories of active systems in which time-reversal symmetry (T-symmetry, and more generally, CPT symmetry) is absent. Such theories

Evann Siebens (2,621 words) [view diff] case mismatch in snippet view article find links to article

Gesture, Melly Kunstinstituut, Rotterdam, Netherlands, 2020. Time Reversal Symmetry, Ann Arbor Experimental Film Festival, Michigan, USA, 2020. A Lexion

Magneto-optic effect (1,285 words) [view diff] exact match in snippet view article find links to article

nonlinear Kerr effect). In general, magneto-optic effects break time reversal symmetry locally (i.e., when only the propagation of light, and not the source

Orbital magnetization (1,596 words) [view diff] exact match in snippet view article find links to article

magnetization. A nonzero orbital magnetization requires broken time-reversal symmetry, which can occur spontaneously in ferromagnetic and ferrimagnetic

Hastatic order (224 words) [view diff] no match in snippet view article find links to article

Hastatic order is a fundamental way of breaking double "time-reversal" symmetry. It is present in the heavy-fermion compound URu2Si2. This order was dubbed

Quantum boomerang effect (1,261 words) [view diff] exact match in snippet view article find links to article

of the wavepackets from their origin. At long times, inherent time-reversal symmetry and the confining effects of Anderson localization lead to correspondingly

Distrontium ruthenate (1,586 words) [view diff] exact match in snippet view article find links to article

superconducting order parameter in SRO exhibits signatures of time-reversal symmetry breaking, and hence, it can be classified as an unconventional superconductor

Kramers' theorem (1,150 words) [view diff] exact match in snippet view article find links to article

after Dutch physicist H. A. Kramers. In theoretical physics, the time reversal symmetry is the symmetry of physical laws under a time reversal transformation:

Wheeler–Feynman absorber theory (3,941 words) [view diff] exact match in snippet view article find links to article

consistent with the lack of any physical basis for microscopic time-reversal symmetry breaking. Another key principle resulting from this interpretation

Periodic table of topological insulators and topological superconductors (2,670 words) [view diff] exact match in snippet view article find links to article

according to three main symmetries: particle-hole symmetry, time-reversal symmetry and chiral symmetry. The table was developed between 2008–2010 by

Topological insulator (9,544 words) [view diff] exact match in snippet view article find links to article

U(1) symmetry from particle number conservation, and often have time-reversal symmetry from the absence of a magnetic field. In this way, topological insulators

Quaternionic matrix (689 words) [view diff] exact match in snippet view article find links to article

German). 42 (1): 1–61. doi:10.1007/BF02404401. N. Rösch (1983). "Time-reversal symmetry, Kramers' degeneracy and the algebraic eigenvalue problem". Chemical

Quantum spin Hall effect (1,391 words) [view diff] exact match in snippet view article find links to article

topological order protected by charge conservation symmetry and time reversal symmetry. (Note that the quantum spin Hall state is also a symmetry-protected

William Halperin (2,038 words) [view diff] exact match in snippet view article find links to article

field A and B phases. The A phase is a chiral phase that breaks time reversal symmetry. The B phase breaks relative spin-orbit symmetry and is isotropic

Symmetry-protected topological order (2,729 words) [view diff] exact match in snippet view article find links to article

protected by U(1) and time-reversal symmetry) and bosonic topological superconductors (the SPT states protected by time-reversal symmetry), as well as many other

Ramakrishna Podila (1,283 words) [view diff] exact match in snippet view article find links to article

His work led to new discoveries at the nanoscale such as: 1) time-reversal symmetry breaking with non-linear optical diodes, 2) a novel "wireless" tribo-electric

Molecular physics (1,024 words) [view diff] case mismatch in snippet view article find links to article

Kozyryev; Nicholas R. Hutzler (2017). "Precision Measurement of Time-Reversal Symmetry Violation with Laser-Cooled Polyatomic Molecules". Physical Review

Josephson diode (3,244 words) [view diff] exact match in snippet view article find links to article

diode effect can occur, e.g., in superconducting devices where time reversal symmetry and inversion symmetry are broken. Josephson diodes can be subdivided

Stochastic quantum mechanics (6,926 words) [view diff] no match in snippet view article find links to article

Stochastic quantum mechanics is a framework for describing the dynamics of particles that are subjected to an intrinsic random processes as well as various

Egor Babaev (894 words) [view diff] exact match in snippet view article find links to article

phase of low-temperature matter that exhibits the breaking of time-reversal symmetry. Göran Gustafsson Prize in Physics from the Royal Swedish Academy

Magnetic Tower of Hanoi (4,157 words) [view diff] exact match in snippet view article find links to article

their Red side facing up). Thus, the RBB and RRB puzzles form a time reversal symmetry pair. This means that they share the same characteristics with respect

Random matrix (7,510 words) [view diff] exact match in snippet view article find links to article

conjugation. The Gaussian unitary ensemble models Hamiltonians lacking time-reversal symmetry. The Gaussian orthogonal ensemble GOE ( n ) {\displaystyle {\text{GOE}}(n)}

Laura Greene (physicist) (1,644 words) [view diff] exact match in snippet view article

and a wide range of symmetry breaking phenomena, including time-reversal symmetry breaking. Her recent work include quantum mechanics on a macroscopic

Laura Greene (physicist) (1,644 words) [view diff] exact match in snippet view article

and a wide range of symmetry breaking phenomena, including time-reversal symmetry breaking. Her recent work include quantum mechanics on a macroscopic

Altermagnetism (1,472 words) [view diff] exact match in snippet view article find links to article

that was published in 2024. Altermagnetic band structure breaks time-reversal symmetry, Eks=E−ks (E is energy, k wavevector and s spin) as in ferromagnets

David Ceperley (1,488 words) [view diff] exact match in snippet view article find links to article

systematic size errors, the extension of DMC to systems having broken time-reversal symmetry, the fixed phase method. These are essential ingredients to make the

Day and Night (cellular automaton) (240 words) [view diff] exact match in snippet view article

2D cellular automaton with black/white reversal symmetry

Fluctuation theorem (3,420 words) [view diff] exact match in snippet view article find links to article

time-reversible equations of motion for classical and quantum systems. The time reversal symmetry of the equations of motion show that if one films a given time dependent

Crystal optics (1,220 words) [view diff] exact match in snippet view article find links to article

vectors, corresponding to elliptically polarized light, and time-reversal symmetry can be broken. This can be used to design optical isolators, for example

Chronology protection conjecture (1,699 words) [view diff] exact match in snippet view article find links to article

Quantum gravity Chronology protection conjecture Retrocausality Time reversal symmetry Wheeler–Feynman time-symmetric theory Minkowski spacetime Time in

Amnon Aharony (1,721 words) [view diff] exact match in snippet view article find links to article

under the supervision of Yuval Ne'eman. Thesis title: Aspects of time reversal symmetry violation. Aharony was a senior researcher in the Israel Army and

Helmholtz reciprocity (2,610 words) [view diff] exact match in snippet view article find links to article

a number of ways, generally making use of quantum mechanical time-reversal symmetry. As these more mathematically complicated proofs may detract from

Black Quantum Futurism (656 words) [view diff] exact match in snippet view article find links to article

researchers to produce a new work exploring charge, parity and time reversal symmetry. Music of Moor Mother Moor Mother's Website Black Quantum Futurism

Principles of Quantum Mechanics (806 words) [view diff] case mismatch in snippet view article find links to article

Quantum Theory Time Translational In variance Parity Invariance Time-Reversal Symmetry Rotational Invariance and Angular Momentum Translations in Two Dimensions

Magnetoelectric effect (2,838 words) [view diff] exact match in snippet view article find links to article

antisymmetric under time-reversal symmetry. Therefore, the linear magnetoelectric effect may only occur if time-reversal symmetry is explicitly broken, for

Time-translation symmetry (1,064 words) [view diff] exact match in snippet view article find links to article

symmetry. Absolute time and space Mach's principle Spacetime Time reversal symmetry Portals: Astronomy Mathematics Physics Wilczek, Frank (16 July 2015)

High resolution electron energy loss spectroscopy (2,743 words) [view diff] exact match in snippet view article find links to article

and the scattering plane is a plane of reflection symmetry and time reversal symmetry holds then the scattering amplitudes in the specular direction vanish

Magnetic topological insulator (2,162 words) [view diff] exact match in snippet view article find links to article

dramatic effects occurs when θ = π {\displaystyle \theta =\pi } and time-reversal symmetry is present, i.e. non-magnetic topological insulator. Since σ AHC surf

Landauer formula (1,016 words) [view diff] exact match in snippet view article find links to article

)T_{ij}} . However, in the presence of a magnetic field, the time reversal symmetry would be broken and therefore, T i j ≠ T j i {\displaystyle T_{ij}\neq

Aharon Kapitulnik (334 words) [view diff] no match in snippet view article find links to article

and 2009 Heike Kamerlingh-Onnes Prize for "seminal studies of time-reversal-symmetry breaking effects in unconventional superconductors using magneto optics"

The Fabric of the Cosmos (1,566 words) [view diff] exact match in snippet view article find links to article

Arrow" asks "Does time have a direction?" Greene introduces time-reversal symmetry, the fact that the laws of physics apply moving both forward in time

Coupled mode theory (782 words) [view diff] exact match in snippet view article find links to article

following assumptions are generally made with CMT: Linearity Time-reversal symmetry Time-invariance Weak mode coupling (small perturbation of uncoupled

Spin wave (1,782 words) [view diff] exact match in snippet view article find links to article

(magnetization) for the ground-state in ferromagnets violates time-reversal symmetry. Two adjacent spins in a solid with lattice constant a that participate

Joan Vaccaro (492 words) [view diff] exact match in snippet view article find links to article

engine. She has established a connection between the violation of time reversal symmetry (T violation) and the nature of time. Her work proposes T violation

Critters (cellular automaton) (904 words) [view diff] exact match in snippet view article

rule is not its own inverse, so Critters patterns do not obey time-reversal symmetry; however, it is instead symmetric under a combination of time reversal

Neutron electric dipole moment (1,676 words) [view diff] exact match in snippet view article find links to article

moment of a fundamental particle violates both parity (P) and time reversal symmetry (T). These violations can be understood by examining the neutron's

Andreev reflection (1,082 words) [view diff] exact match in snippet view article find links to article

the superconductor, and hence the retroreflected hole. Through time-reversal symmetry, the process with an incident electron will also work with an incident

Topology (4,402 words) [view diff] case mismatch in snippet view article find links to article

Directional Optical Waveguides in Photonic Crystals with Broken Time-Reversal Symmetry". Physical Review Letters. 100 (1): 013904. arXiv:cond-mat/0503588

Juan Carlos Campuzano (621 words) [view diff] exact match in snippet view article find links to article

; Varma, C. M.; Höchst, H. (2002). "Spontaneous breaking of time-reversal symmetry in the pseudogap state of a high-Tc superconductor". Nature. 416 (6881)

Waveguide (optics) (1,922 words) [view diff] exact match in snippet view article

path, bending away from the normal. This is a consequence of time-reversal symmetry. Each ray in air (black) can be mapped to a ray in the glass (blue)

Magnetic space group (3,129 words) [view diff] exact match in snippet view article find links to article

the magnetic space groups are often thought of as representing time reversal symmetry. This is in contrast to time crystals, which instead have time translation

Topological superconductor (223 words) [view diff] exact match in snippet view article find links to article

superconductors, which categorizes topological phases based on time-reversal symmetry, particle-hole symmetry, and chiral symmetry. An example of a simple

White hole (3,485 words) [view diff] exact match in snippet view article find links to article

equations of general relativity are time-reversible – they exhibit Time reversal symmetry – general relativity must also allow the time-reverse of this type

Retrocausality (2,679 words) [view diff] exact match in snippet view article find links to article

displaying short descriptions of redirect targets T-symmetry – Time reversal symmetry in physics Reversal of temporal order judgment – Perception of events'

CP violation (7,798 words) [view diff] exact match in snippet view article find links to article

time reversal are applied together. Direct observation of the time reversal symmetry violation without any assumption of CPT theorem was done in 1998 by

Quantum stirring, ratchets, and pumping (3,275 words) [view diff] exact match in snippet view article find links to article

noise and dissipation. Electric stirring explicitly breaks time-reversal symmetry. This property can be used to induce spin polarization in conventional

Photonic topological insulator (1,141 words) [view diff] case mismatch in snippet view article find links to article

Directional Optical Waveguides in Photonic Crystals with Broken Time-Reversal Symmetry". Physical Review Letters. 100 (1): 013904. arXiv:cond-mat/0503588

Symmetry (physics) (3,283 words) [view diff] exact match in snippet view article

interactions as demonstrated by Chien-Shiung Wu. T-symmetry (time reversal symmetry), a universe where the direction of time is reversed. T-symmetry is

Antilinear map (1,769 words) [view diff] exact match in snippet view article find links to article

form – Generalization of complex inner products Time reversal – Time reversal symmetry in physics Birkenhake, Christina (2004). Complex Abelian Varieties

Magnetocrystalline anisotropy (1,953 words) [view diff] exact match in snippet view article find links to article

Ms(α,β,γ), where Ms is the saturation magnetization. Because of time reversal symmetry, only even powers of the cosines are allowed. The nonzero terms in

Particle physics and representation theory (2,677 words) [view diff] exact match in snippet view article find links to article

practice, anti-unitary operators are always associated with time-reversal symmetry. It is important physically that in general U ( ⋅ ) {\displaystyle

3-j symbol (5,972 words) [view diff] case mismatch in snippet view article find links to article

Reversal Symmetry (Thesis). University of New South Wales. Newmarch, J. D.; Golding, R. M. (1981). "The Racah Algebra for Groups with Time Reversal Symmetry"

Non-Hermitian quantum mechanics (1,456 words) [view diff] exact match in snippet view article find links to article

respect to the simultaneous action of the parity-inversion and time reversal symmetry operators) also may possess a real spectrum. Under a correctly defined

Anomaly (physics) (2,828 words) [view diff] exact match in snippet view article

can have a mixed higher 't Hooft anomaly between the 0-form time-reversal symmetry and 1-form Z2 centre symmetry. The 't Hooft anomaly of 4 dimensional

Antiparticle (2,675 words) [view diff] exact match in snippet view article find links to article

Gravitational interaction of antimatter Parity, charge conjugation, and time reversal symmetry CP violations Quantum field theory Baryogenesis, baryon asymmetry

Electron electric dipole moment (2,254 words) [view diff] case mismatch in snippet view article find links to article

Hutzler, Nicholas R. (2017-09-28). "Precision Measurement of Time-Reversal Symmetry Violation with Laser-Cooled Polyatomic Molecules". Physical Review

Soliton (4,537 words) [view diff] exact match in snippet view article find links to article

Yoritaka; Stevenson, Paul (2019). "Conditional recovery of time-reversal symmetry in many nucleus systems". New Journal of Physics. 21 (4): 043010.

Phase space crystal (3,918 words) [view diff] exact match in snippet view article find links to article

for phase space phonons can arise without breaking physical time-reversal symmetry. Time crystals and phase space crystals are closely related but different

Wassim Michael Haddad (4,330 words) [view diff] case mismatch in snippet view article find links to article

S2CID 2112572. Haddad, W. M.; V. Chellaboina; S. G. Nersesov (2008). "Time-Reversal Symmetry, Poincare Recurrence, Irreversibility, and the Entropic Arrow of Time:

Kaon (3,249 words) [view diff] exact match in snippet view article find links to article

quark and the quark model Parity (physics), charge conjugation, time reversal symmetry, CPT invariance and CP violation Neutrino oscillation Neutral particle

Phase space crystal (3,918 words) [view diff] exact match in snippet view article find links to article

for phase space phonons can arise without breaking physical time-reversal symmetry. Time crystals and phase space crystals are closely related but different

Onsager reciprocal relations (2,589 words) [view diff] exact match in snippet view article find links to article

positive semi-definite, it is also symmetric, except in cases where time-reversal symmetry is broken. In other words, the cross-coefficients L u ρ {\displaystyle

Optical rotation (5,190 words) [view diff] exact match in snippet view article find links to article

on the local (zero-wavevector) response. However, there is still reversal symmetry, which is why the direction of natural optical rotation must be 'reversed'

Superconductivity (7,744 words) [view diff] exact match in snippet view article find links to article

graphene, a form of superconductivity with spontaneously broken time reversal symmetry known as "chiral superconductivity" was recently observed. These systems

Ludwig Boltzmann (5,370 words) [view diff] exact match in snippet view article find links to article

collision term was "molecular chaos", an assumption which breaks time-reversal symmetry as is necessary for anything which could imply the second law. It

Philosophy of physics (4,422 words) [view diff] exact match in snippet view article find links to article

arose from the observation of an apparent conflict between the time-reversal symmetry of fundamental physical laws and the irreversibility observed in thermodynamic

Third law of thermodynamics (4,057 words) [view diff] exact match in snippet view article find links to article

ground state is one whose net spin is a half-integer, for which time-reversal symmetry gives two degenerate ground states. For such systems, the entropy

Alan T. Waterman Award (2,955 words) [view diff] exact match in snippet view article find links to article

manipulation at the nano scale; innovative ideas in breaking time reversal symmetry leading to enhanced non-reciprocity from acoustics to microwaves and

Subir Sachdev (1,613 words) [view diff] exact match in snippet view article find links to article

Matter. This work introduced the Z2 spin liquid, which preserves time-reversal symmetry and has the same anyon structure as the toric code. deconfined quantum

Quantum thermodynamics (5,299 words) [view diff] exact match in snippet view article find links to article

statement on the irreversibility of dynamics or, the breakup of time reversal symmetry (T-symmetry). This should be consistent with the empirical direct

Andrea Alù (2,357 words) [view diff] exact match in snippet view article find links to article

manipulation at the nano scale; innovative ideas in breaking time reversal symmetry leading to enhanced non-reciprocity from acoustics to microwaves and

Micromagnetics (3,474 words) [view diff] exact match in snippet view article find links to article

F anis {\displaystyle F_{\text{anis}}} are called easy axes. Time-reversal symmetry ensures that F anis {\displaystyle F_{\text{anis}}} is an even function

List of paradoxes (7,957 words) [view diff] exact match in snippet view article find links to article

when the laws of physics are invariant under time reversal? The time reversal symmetry of physical laws appears to contradict the second law of thermodynamics

H-theorem (4,265 words) [view diff] exact match in snippet view article find links to article

independent and uncorrelated. It turns out that this assumption breaks time reversal symmetry in a subtle sense, and therefore begs the question. Once the particles

Anti-de Sitter space (5,007 words) [view diff] exact match in snippet view article find links to article

groups, anti-de Sitter with parity (reflectional symmetry) and time-reversal symmetry can be seen as a quotient of two generalized orthogonal groups A d

Superstripes (2,393 words) [view diff] exact match in snippet view article find links to article

orbit coupling breaks the gauge symmetry of the system and the time reversal symmetry. The formation of the stripes breaks a continuous translational symmetry

Gaussian ensemble (6,485 words) [view diff] exact match in snippet view article find links to article

an anti-unitary operator T {\displaystyle T} that describes time-reversal symmetry. The classification depends on whether T {\displaystyle T} exists

Mutual information (8,900 words) [view diff] exact match in snippet view article find links to article

it must be impossible to determine a physical law which lacks time reversal symmetry (e.g. the second law of thermodynamics) only from physical laws which

Surface states (4,112 words) [view diff] exact match in snippet view article find links to article

Dirac-like dispersion with a crossing point which is protected by time reversal symmetry. Such a state is predicted to be robust under disorder, and therefore

Nilsson model (1,439 words) [view diff] exact match in snippet view article find links to article

symmetry axis. In the absence of a cranking term (see below), time-reversal symmetry causes states with opposite signs of Ω to be degenerate, so that in

Joos–Weinberg equation (2,217 words) [view diff] exact match in snippet view article find links to article

equations. It is suitable when the symmetries of charge conjugation, time reversal symmetry, and parity are good. The representations D(j, 0) and D(0, j) can

Herwig Schopper (3,716 words) [view diff] exact match in snippet view article find links to article

are opposite. Later, he was involved in an experiment to test time reversal symmetry. In 1956, he followed Fleischmann to the University of Erlangen where

Supersymmetric theory of stochastic dynamics (5,924 words) [view diff] exact match in snippet view article find links to article

resonances. This form of spectrum implies the presence of pseudo-time-reversal symmetry. Each eigenstate has a well-defined degree. H ^ ( 0 , D ) {\displaystyle

Kitaev chain (1,580 words) [view diff] exact match in snippet view article find links to article

phase. This Hamiltonian has particle-hole symmetry, as well as time reversal symmetry. The Hamiltonian can be rewritten using Majorana operators, given

Scallop theorem (3,293 words) [view diff] exact match in snippet view article find links to article

_{S}(t_{0})=\mathbf {r} _{S}(t_{1}).} Next, we consider motion obtained by time-reversal symmetry of the first motion that occurs during the period starting and ending

Multiple antisymmetry (3,962 words) [view diff] exact match in snippet view article find links to article

Lifshitz reinterpreted black and white colours to correspond to time-reversal symmetry. A wide variety of antisymmetries are now recognized, with three new

Bismuth subhalides (1,641 words) [view diff] exact match in snippet view article find links to article

pertains to the Quantum Hall effect relying upon two pillars: time-reversal symmetry and spin orbit coupling, the latter dependent on the elemental material

ISOLDE (10,249 words) [view diff] exact match in snippet view article find links to article

studies into could reveal physics beyond the Standard Model due to time-reversal symmetry breaking. Measurement of 229mTh transition energy In 2023, ISOLDE

Dichromatic symmetry (2,098 words) [view diff] exact match in snippet view article find links to article

Lifshitz reinterpret black and white colours to correspond to time reversal symmetry 1952 W. Cochran re-derives the 46 dichromatic 2D point groups quoting

Microswimmer (15,243 words) [view diff] exact match in snippet view article find links to article

tail which reduces the microswimmer’s ability to overcome the time-reversal symmetry. Another way microswimmers can propel is through catalytic reactions

Germán Sierra (5,405 words) [view diff] exact match in snippet view article find links to article

them was a BCS model with pairing scattering phases that break time-reversal symmetry, which was later demonstrated to be solvable using the algebraic Bethe

Jose Luis Mendoza-Cortes (17,914 words) [view diff] exact match in snippet view article find links to article

centres could advance nuclear-clock development and tests of time-reversal symmetry. Philosophical Transactions of the Royal Society, the world's oldest