Emergence of fluctuating hydrodynamics in chaotic quantum systems
A fundamental principle of chaotic quantum dynamics is that local subsystems eventually
approach a thermal equilibrium state. The corresponding timescales increase with …
approach a thermal equilibrium state. The corresponding timescales increase with …
Rotating curved spacetime signatures from a giant quantum vortex
Gravity simulators are laboratory systems in which small excitations such as sound or
surface waves, behave as fields propagating on a curved spacetime geometry. The analogy …
surface waves, behave as fields propagating on a curved spacetime geometry. The analogy …
Exact large-scale fluctuations of the phase field in the sine-Gordon model
We present the first exact theory and analytical formulas for the large-scale phase
fluctuations in the sine-Gordon model, valid in all regimes of the field theory, for arbitrary …
fluctuations in the sine-Gordon model, valid in all regimes of the field theory, for arbitrary …
Analog vacuum decay from vacuum initial conditions
Ultracold atomic gases can undergo phase transitions that mimic relativistic vacuum decay,
allowing us to empirically test early Universe physics in tabletop experiments. We …
allowing us to empirically test early Universe physics in tabletop experiments. We …
One-particle density matrix and momentum distribution of the out-of-equilibrium one-dimensional Tonks-Girardeau gas: Analytical results at large
In one-dimensional (1D) quantum gases, the momentum distribution (MD) of the atoms is a
standard experimental observable, routinely measured in various experimental setups. The …
standard experimental observable, routinely measured in various experimental setups. The …
Data-driven discovery of statistically relevant information in quantum simulators
Quantum simulators offer powerful means to investigate strongly correlated quantum matter.
However, interpreting measurement outcomes in such systems poses significant challenges …
However, interpreting measurement outcomes in such systems poses significant challenges …
Nonequilibrium time evolution in the sine-Gordon model
D Szász-Schagrin, I Lovas, G Takács - Physical Review B, 2024 - APS
We study the nonequilibrium dynamics of the quantum sine-Gordon model describing a pair
of Josephson-coupled one-dimensional bosonic quasicondensates. Motivated by …
of Josephson-coupled one-dimensional bosonic quasicondensates. Motivated by …
Exact Dirac–Bogoliubov–de Gennes Dynamics for Inhomogeneous Quantum Liquids
P Moosavi - Physical Review Letters, 2023 - APS
We study inhomogeneous 1+ 1-dimensional quantum many-body systems described by
Tomonaga-Luttinger-liquid theory with general propagation velocity and Luttinger parameter …
Tomonaga-Luttinger-liquid theory with general propagation velocity and Luttinger parameter …
Experimentally probing Landauer's principle in the quantum many-body regime
Landauer's principle bridges information theory and thermodynamics by linking the entropy
change of a system during a process to the average energy dissipated to its environment …
change of a system during a process to the average energy dissipated to its environment …
Identifying diffusive length scales in one-dimensional Bose gases
In the hydrodynamics of integrable models, diffusion is a subleading correction to ballistic
propagation. Here we quantify the diffusive contribution for one-dimensional Bose gases …
propagation. Here we quantify the diffusive contribution for one-dimensional Bose gases …