WebNov 25, 2024 · We propose to simulate dynamical phases of a BCS superconductor using an ensemble of cold atoms trapped in an optical cavity. Effective Cooper pairs are … WebApr 12, 2024 · For device A, we cannot obtain a good fit of the model near \({T}_{c}^{\chi }\), indicating that the kink in the curves is not due to a disorder-modified BCS transition. In device B, good ...
Entanglement View of Dynamical Quantum Phase Transitions
WebDec 7, 2016 · Dynamical quantum phase transitions reveal universality, scaling, connection to the topology, and many other interesting features. Here we review the recent achievements of this quickly developing part of low-temperature quantum physics. The study of dynamical quantum phase transitions is especially important in context of their … WebOct 19, 2024 · Dynamical phase transitions occur whenever the observables of an isolated quantum system feature distinct qualitative temporal behavior as a function of a control parameter measuring the deviation of the system from equilibrium. ... This d-wave reduced BCS model is not of Richardson–Gaudin type, due to the form of the interaction … phonics school policy
Phys. Rev. B 105, 094514 (2024) - Dynamical quantum phase transitions ...
WebMar 25, 2024 · We inspect the signatures of dynamical quantum phase transitions driven by quantum quenches acting on a correlated quantum dot embedded between superconducting and metallic reservoirs. Under stationary conditions, the proximity-induced electron pairing, competing with strong Coulomb repulsion, enforces the quantum dot to … WebJan 29, 2024 · C. Rylands and V. Galitski, Dynamical Quantum Phase Transitions and Recurrences in the Non-Equilibrium BCS Model, Dynamical quantum phase … WebWe introduce a new nonconservative self-organized critical model. This model is equivalent to a quasistatic two-dimensional version of the Burridge-Knopoff spring-block model of earthquakes. Our model displays a robust power-law behavior. The exponent is not universal; rather it depends on the level of conservation. A dynamical phase transition … how do you untangle severely matted hair