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searching for Reversal symmetry 100 found (214 total)

T-symmetry (4,234 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) (5,200 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 (1,284 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)

Electron quadruplets (384 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. After the theoretical possibility was raised, observations consistent

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

Active matter (1,195 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

S-matrix (9,185 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

Evann Siebens (2,612 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

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 (1,221 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

Michael Cates (863 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

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

Magneto-optic effect (1,271 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

Distrontium ruthenate (1,481 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 (1,148 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 (3,737 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

Topological insulator (6,985 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

Josephson diode (1,268 words) [view diff] exact match in snippet view article find links to article

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

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

Ratchet (device) (617 words) [view diff] exact match in snippet view article

the origin of directed motion arising from a combination of time-reversal symmetry breaking and left-right symmetry breaking. When non-thermal forces

William Halperin (1,845 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 (2,549 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 (1,221 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

Periodic table of topological invariants (1,940 words) [view diff] exact match in snippet view article find links to article

mode i {\displaystyle i} , in some arbitrary spatial basis) : time reversal symmetry, particle hole (or charge conjugation) symmetry, and chiral (or sublattice)

Altermagnetism (1,124 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

Molecular physics (988 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

Stochastic quantum mechanics (7,097 words) [view diff] no match in snippet view article find links to article

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

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

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

Egor Babaev (874 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

Fluctuation theorem (3,134 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

Random matrix (7,081 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)}

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

2D cellular automaton with black/white reversal symmetry

Magnetic topological insulator (1,708 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

Magnetoelectric effect (2,650 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

Black Quantum Futurism (655 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

David Ceperley (1,478 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

Andreev reflection (1,017 words) [view diff] exact match in snippet view article find links to article

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

Time-translation symmetry (1,054 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)

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

Crystal optics (1,218 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

Landauer formula (1,004 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

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

High resolution electron energy loss spectroscopy (2,735 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

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

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

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

White hole (3,259 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

Neutron electric dipole moment (1,547 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

Waveguide (optics) (1,857 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)

Joan Vaccaro (472 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

The Fabric of the Cosmos (1,636 words) [view diff] exact match in snippet view article find links to article

both forward in time and backward in time. Such a law is called time-reversal symmetry. One of the major subjects of this chapter is entropy. Various analogies

Aharon Kapitulnik (331 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"

Gauss–Legendre method (1,246 words) [view diff] exact match in snippet view article find links to article

additional implicit relation, these methods can be adapted to have time reversal symmetry. In these methods, the averaged position ( x f + x i ) / 2 {\displaystyle

CP violation (7,484 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

Topology (4,041 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

Retrocausality (2,623 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'

Magnetic space group (3,034 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

Photonic topological insulator (1,132 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

Quantum stirring, ratchets, and pumping (3,200 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

Juan Carlos Campuzano (608 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)

Antilinear map (1,772 words) [view diff] exact match in snippet view article find links to article

Sesquilinear form – Generalization of a bilinear form Time reversal – Time reversal symmetry in physics Birkenhake, Christina (2004). Complex Abelian Varieties

Anomaly (physics) (2,814 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 center symmetry. The 't Hooft anomaly of 4 dimensional

Antiparticle (2,544 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

Non-Hermitian quantum mechanics (1,344 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

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 (2,695 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

Symmetry (physics) (3,280 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

3-j symbol (5,967 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"

Kaon (3,066 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

Electron electric dipole moment (2,016 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 (4,540 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 (3,839 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

Optical rotation (4,889 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'

Quantum thermodynamics (4,491 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

Onsager reciprocal relations (2,568 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

Third law of thermodynamics (3,824 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

Philosophy of physics (4,708 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

Micromagnetics (2,910 words) [view diff] exact match in snippet view article find links to article

magnetization. Minimum-energy directions for Fanis are called easy axes. Time-reversal symmetry ensures that Fanis is an even function of m. The simplest such function

Wassim Michael Haddad (4,322 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:

Alan T. Waterman Award (2,934 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

H-theorem (4,236 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

List of paradoxes (7,866 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

Anti-de Sitter space (4,795 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

Ludwig Boltzmann (5,299 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

Andrea Alù (2,347 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

Superstripes (2,313 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

Mutual information (8,741 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 (2,216 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

Subir Sachdev (3,173 words) [view diff] exact match in snippet view article find links to article

states with an energy gap to spin excitations without breaking time-reversal symmetry. It was conjectured that such RVB states have excitations with fractional

Herwig Schopper (3,428 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

Scallop theorem (3,269 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

Bismuth subhalides (1,621 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 (9,826 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. Below is a list of improvements needed for the ISOLDE facility

Dichromatic symmetry (2,034 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 1953 Zamorzaev derives the 1651 3D antisymmetric space groups for

Microswimmer (14,639 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 (5,112 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