time crystals
E140560
Time crystals are a novel phase of matter that exhibits periodic motion in its lowest-energy state, effectively breaking time-translation symmetry.
All labels observed (1)
| Label | Occurrences |
|---|---|
| time crystals canonical | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
non-equilibrium phase of matter
ⓘ
phase of matter ⓘ |
| areCharacterizedBy |
periodic expectation values of observables in time
ⓘ
stability of oscillations against small perturbations ⓘ |
| areDescribedIn | quantum many-body physics ⓘ |
| areDifferentFrom | ordinary crystals that break spatial translation symmetry ⓘ |
| areDiscussedIn |
foundations of statistical mechanics
ⓘ
quantum thermodynamics ⓘ |
| areExampleOf |
dynamical phase of matter
ⓘ
spontaneously time-ordered phase ⓘ |
| areInvestigatedFor |
potential applications in precision timekeeping
ⓘ
potential applications in quantum memory ⓘ potential applications in quantum technologies ⓘ |
| areOftenRealizedUsing |
Bose–Einstein condensates in driven potentials
ⓘ
periodically driven spin chains ⓘ superconducting qubit arrays ⓘ |
| areRealizedAs |
Floquet time crystals
ⓘ
discrete time crystals ⓘ many-body localized time crystals ⓘ |
| areRelatedToConcept |
Floquet systems
ⓘ
many-body localization ⓘ out-of-equilibrium quantum phases ⓘ spontaneous symmetry breaking ⓘ |
| areSometimesCalled | temporal crystals ⓘ |
| areStudiedIn |
condensed matter physics
ⓘ
nonequilibrium statistical mechanics ⓘ quantum information science ⓘ |
| areSubjectOf |
ongoing experimental research
ⓘ
ongoing theoretical research ⓘ |
| break | time-translation symmetry ⓘ |
| doNotExhibit | thermal equilibrium in the usual sense ⓘ |
| exhibit | periodic motion in their lowest-energy state ⓘ |
| haveAnalogyWith | spatial crystals in terms of symmetry breaking ⓘ |
| haveKeyFeature |
collective synchronization of many-body degrees of freedom in time
ⓘ
subharmonic oscillations at integer multiples of the drive period ⓘ |
| haveProperty |
long-range temporal order
ⓘ
rigid oscillation frequency locked to a fraction of the drive frequency ⓘ robust subharmonic response to periodic driving ⓘ |
| haveTheoreticalConstraint | no-go theorems for equilibrium time crystals ⓘ |
| obey | discrete time-translation symmetry ⓘ |
| require | driving or non-equilibrium conditions in most realizations ⓘ |
| wereFirstRealizedExperimentallyInYear |
2016
ⓘ
2017 ⓘ |
| wereFirstRealizedInSystem |
nitrogen-vacancy centers in diamond
ⓘ
spin impurities in solid-state systems ⓘ trapped ions ⓘ |
| wereProposedBy | Frank Wilczek ⓘ |
| wereProposedInYear | 2012 ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.