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 …
Condensed matter physics in big discrete time crystals
We review the application of discrete time crystals created in a Bose-Einstein condensate
(BEC) of ultracold atoms bouncing resonantly on an oscillating atom mirror to the …
(BEC) of ultracold atoms bouncing resonantly on an oscillating atom mirror to the …
Creating big time crystals with ultracold atoms
We investigate the size of discrete time crystals s (ratio of response period to driving period)
that can be created for a Bose–Einstein condensate (BEC) bouncing resonantly on an …
that can be created for a Bose–Einstein condensate (BEC) bouncing resonantly on an …
Square-root Floquet topological phases and time crystals
RW Bomantara - Physical Review B, 2022 - APS
Periodically driven (Floquet) phases are attractive due to their ability to host unique physical
phenomena with no static counterparts. We propose a general approach in nontrivially …
phenomena with no static counterparts. We propose a general approach in nontrivially …
Six-dimensional time-space crystalline structures
Time crystalline structures are characterized by regularity that single-particle or many-body
systems manifest in the time domain, closely resembling the spatial regularity of ordinary …
systems manifest in the time domain, closely resembling the spatial regularity of ordinary …
Prolonging a discrete time crystal by quantum-classical feedback
Nonequilibrium phases of quantum matter featuring time crystalline eigenstate order have
been realized recently on noisy intermediate-scale quantum (NISQ) devices. While ideal …
been realized recently on noisy intermediate-scale quantum (NISQ) devices. While ideal …
Discrete time crystals with absolute stability
We show that interacting bosons on a ring which are driven periodically by a rotating
potential can support discrete time crystals whose absolute stability can be proven. The …
potential can support discrete time crystals whose absolute stability can be proven. The …
Many-body effects and quantum fluctuations for discrete time crystals in Bose–Einstein condensates
We present a fully comprehensive multi-mode quantum treatment based on the truncated
Wigner approximation (TWA) to study many-body effects and effects of quantum fluctuations …
Wigner approximation (TWA) to study many-body effects and effects of quantum fluctuations …
Synthetic dimensions for topological and quantum phases
The concept of synthetic dimensions works particularly well in atomic physics, quantum
optics, and photonics, where the internal degrees of freedom (Zeeman sublevels of the …
optics, and photonics, where the internal degrees of freedom (Zeeman sublevels of the …
Inseparable time-crystal geometries on the Möbius strip
Description of periodically and resonantly driven quantum systems can lead to solid state
models where condensed matter phenomena can be investigated in time lattices formed by …
models where condensed matter phenomena can be investigated in time lattices formed by …