Dimensionality plays an essential role in determining the nature and properties of a physical
system. This is particularly evident in quantum systems, where interactions and fluctuations …

Cold atomic gases provide a remarkable testbed to study the physics of interacting many-
body quantum systems. Temperatures are necessarily nonzero, but cooling to the ultralow …

Conventional hydrodynamics describes systems with few long-lived excitations. In one
dimension, however, many experimentally relevant systems feature a large number of long …

Disorder or quasidisorder is known to favor localization in many-body Bose systems. Here,
in contrast, we demonstrate an anomalous delocalization effect induced by …

Bose-Einstein condensates of ultracold atoms serve as low-entropy sources for a multitude
of quantum-science applications, ranging from quantum simulation and quantum many-body …

The quantum kicked rotor is a paradigmatic model system in quantum physics. As a driven
quantum system, it is used to study the transition from the classical to the quantum world and …

In this work, we extend the analysis of interacting bosons at 2D-1D dimensional crossover
for finite size and temperature by using the field theory approach (bosonization) and …

The exploration of dimensional crossover carries profound fundamental significance,
serving as a crucial bridge in comprehending the remarkable disparities observed in …

The equation of state (EOS) for a pure two-dimensional (2D) Bose gas exhibits a logarithmic
dependence on the s-wave scattering length [L. Salasnich, Phys. Rev. Lett. 118, 130402 …

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