Dynamical phase transitions in the collisionless pre-thermal states of isolated quantum systems: theory and experiments

J Marino, M Eckstein, MS Foster… - Reports on Progress in …, 2022 - iopscience.iop.org
We overview the concept of dynamical phase transitions (DPTs) in isolated quantum
systems quenched out of equilibrium. We focus on non-equilibrium transitions characterized …

Fermi gases in one dimension: From Bethe ansatz to experiments

XW Guan, MT Batchelor, C Lee - Reviews of Modern Physics, 2013 - APS
This article reviews theoretical and experimental developments for one-dimensional Fermi
gases. Specifically, the experimentally realized two-component delta-function interacting …

Exotic Lifshitz transitions in topological materials

GE Volovik - Physics-Uspekhi, 2018 - iopscience.iop.org
Topological Lifshitz transitions involve many types of topological structures in momentum
and frequency–momentum spaces, such as Fermi surfaces, Dirac lines, Dirac and Weyl …

Quantum quench in a superfluid: Winding numbers and topological states far from equilibrium

MS Foster, M Dzero, V Gurarie, EA Yuzbashyan - Physical Review B …, 2013 - APS
We study the nonadiabatic dynamics of a two-dimensional p+ ip superfluid following an
instantaneous quantum quench of the BCS coupling constant. The model describes a …

Quantum quench phase diagrams of an -wave BCS-BEC condensate

EA Yuzbashyan, M Dzero, V Gurarie, MS Foster - Physical Review A, 2015 - APS
We study the dynamic response of an s-wave BCS-BEC (atomic-molecular) condensate to
detuning quenches within the two-channel model beyond the weak-coupling BCS limit. At …

Many-body characterization of particle-conserving topological superfluids

G Ortiz, J Dukelsky, E Cobanera, C Esebbag… - Physical review …, 2014 - APS
What distinguishes trivial superfluids from topological superfluids in interacting many-body
systems where the number of particles is conserved? Building on a class of integrable …

The topology of the quantum vacuum

GE Volovik - … : Analogue Spacetimes and Horizons, from Theory to …, 2013 - Springer
Topology in momentum space is the main characteristic of the ground state of a system at
zero temperature, the quantum vacuum. The gaplessness of fermions in bulk, on the surface …

Eigenvalue-based method and form-factor determinant representations for integrable XXZ Richardson-Gaudin models

PW Claeys, S De Baerdemacker, M Van Raemdonck… - Physical review B, 2015 - APS
We propose an extension of the numerical approach for integrable Richardson-Gaudin
models based on a new set of eigenvalue-based variables [A. Faribault, Phys. Rev. B 83 …

Richardson-Gaudin states

PA Johnson - arxiv preprint arxiv:2312.08804, 2023 - arxiv.org
This chapter gives an overview of Richardson-Gaudin states which represent weakly
correlated pairs of electrons. They are parametrized by sets of numbers obtained from non …

Integrability and dark states in an anisotropic central spin model

T Villazon, A Chandran, PW Claeys - Physical Review Research, 2020 - APS
Central spin models describe a variety of quantum systems in which a spin-1 2 qubit
interacts with a bath of surrounding spins, as realized in quantum dots and defect centers in …