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arxiv: 1202.2539 · v2 · pith:X2ZHJS5Knew · submitted 2012-02-12 · 🪐 quant-ph · cond-mat.other· cond-mat.supr-con

Quantum Time Crystals

Frank Wilczek This is my paper
classification 🪐 quant-ph cond-mat.othercond-mat.supr-con
keywords timequantumaroundbreakingclosedcrystalsdifficultiesdiscussed
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Difficulties around the idea of spontaneous breaking of time translation symmetry in a closed quantum mechanical system are identified, and then overcome in a simple model. The possibility of ordering in imaginary time is also discussed.

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Cited by 2 Pith papers

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    Spin-induced deformation in the Bateman dual oscillator framework yields non-Markovian reduced dynamics with persistent oscillations and fractal scaling that mimic time crystals in a globally unitary quantum system.

  2. On prethermal time crystals from semi-holography

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    Semi-holographic systems with perturbative and holographic sectors exhibit prethermal time crystals through dissipationless modes in hydrodynamic channels plus short-wavelength instabilities that produce inhomogeneiti...