Nonlinear interactions in discrete time crystals increase the system-size scaling exponent of quantum Fisher information approximately linearly with nonlinearity strength, enhancing sensing precision while preserving quadratic time scaling.
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Floquet strong Hilbert space fragmentation stabilizes discrete time crystals in a disorder-free kicked XXZ spin chain, with lifetime independent of frequency and exponential in system size.
Self-similar quantum revivals emerge in quasiperiodically driven many-body systems from an emergent dynamical attractor where momentum modes follow closed orbits at nested times.
citing papers explorer
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Nonlinearity-enhanced Quantum Sensing in Discrete Time Crystal Probes
Nonlinear interactions in discrete time crystals increase the system-size scaling exponent of quantum Fisher information approximately linearly with nonlinearity strength, enhancing sensing precision while preserving quadratic time scaling.
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Discrete time crystals enabled by Floquet strong Hilbert space fragmentation
Floquet strong Hilbert space fragmentation stabilizes discrete time crystals in a disorder-free kicked XXZ spin chain, with lifetime independent of frequency and exponential in system size.
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Emergent Self-Similar Quantum Revivals in Spiral Drives
Self-similar quantum revivals emerge in quasiperiodically driven many-body systems from an emergent dynamical attractor where momentum modes follow closed orbits at nested times.