Colloquium: Quantum and classical discrete time crystals
The spontaneous breaking of time-translation symmetry has led to the discovery of a new
phase of matter: the discrete time crystal. Discrete time crystals exhibit rigid subharmonic …
phase of matter: the discrete time crystal. Discrete time crystals exhibit rigid subharmonic …
Dynamics of inhomogeneous spin ensembles with all-to-all interactions: Breaking permutational invariance
We investigate the consequences of introducing nonuniform initial conditions in the
dynamics of spin ensembles characterized by all-to-all interactions. Specifically, our study …
dynamics of spin ensembles characterized by all-to-all interactions. Specifically, our study …
Quantum Metrology and Sensing with Many-Body Systems
The main power of quantum sensors is achieved when the probe is composed of several
particles. In this situation, quantum features such as entanglement contribute in enhancing …
particles. In this situation, quantum features such as entanglement contribute in enhancing …
Discrete time crystals enforced by Floquet-Bloch scars
We analytically identify a new class of quantum scars protected by spatiotemporal
translation symmetries, dubbed Floquet-Bloch scars. They are distinguished from previous …
translation symmetries, dubbed Floquet-Bloch scars. They are distinguished from previous …
Discrete time crystal sensing
LJI Moon, PM Schindler, RJ Smith, E Druga… - arXiv preprint arXiv …, 2024 - arxiv.org
Prethermal discrete time crystals (PDTCs) are a nonequilibrium state of matter characterized
by long-range spatiotemporal order, and exhibiting a subharmonic response stabilized by …
by long-range spatiotemporal order, and exhibiting a subharmonic response stabilized by …
Stark time crystals: Symmetry breaking in space and time
The compelling original idea of a time crystal has referred to a structure that repeats in time
as well as in space, an idea that has attracted significant interest recently. While obstructions …
as well as in space, an idea that has attracted significant interest recently. While obstructions …
Analytical theory of cat scars with discrete time-crystalline dynamics in Floquet systems
B Huang - Physical Review B, 2023 - APS
We reconstruct the spectral pairing theories to enable analytical descriptions of eigenstate
spatiotemporal orders in translation-invariant system without prethermal conditions. It is …
spatiotemporal orders in translation-invariant system without prethermal conditions. It is …
Unified light-matter Floquet theory and its application to quantum communication
Periodically driven quantum systems can exhibit a plethora of intriguing nonequilibrium
phenomena that can be analyzed using Floquet theory. Naturally, Floquet theory is …
phenomena that can be analyzed using Floquet theory. Naturally, Floquet theory is …
Thermal melting of discrete time crystals: A dynamical phase transition induced by thermal fluctuations
M Yue, X Yang, Z Cai - Physical Review B, 2022 - APS
The stability of a discrete time crystal against thermal fluctuations has been studied
numerically by solving a stochastic Landau-Lifshitz-Gilbert equation of a periodically driven …
numerically by solving a stochastic Landau-Lifshitz-Gilbert equation of a periodically driven …
Polaritonic and excitonic semiclassical time crystals based on TMDC strips in an external periodic potential
We investigated the dynamics of Bose–Einstein condensates (BECs) under an external
periodic potential. We consider two such systems, the first being made of exciton–polaritons …
periodic potential. We consider two such systems, the first being made of exciton–polaritons …