Neural-network quantum states for ultra-cold Fermi gases

J Kim, G Pescia, B Fore, J Nys, G Carleo… - Communications …, 2024 - nature.com
Ultra-cold Fermi gases exhibit a rich array of quantum mechanical properties, including the
transition from a fermionic superfluid Bardeen-Cooper-Schrieffer (BCS) state to a bosonic …

Fermi-to-Bose crossover in a trapped quasi-2D gas of fermionic atoms

AV Turlapov, MY Kagan - Journal of Physics: Condensed Matter, 2017 - iopscience.iop.org
The physics of many-body systems where particles are restricted to move in two spatial
dimensions is challenging and even controversial: on one hand, neither long-range order …

Brueckner -matrix approach to two-dimensional Fermi gases with finite-range attractive interactions

H Sakakibara, H Tajima, H Liang - Physical Review A, 2023 - APS
Two-dimensional spin-1/2 fermions with finite-range interactions are theoretically studied.
Characterizing the attractive interaction in terms of the scattering length and the effective …

Quantum anomaly and thermodynamics of one-dimensional fermions with three-body interactions

JE Drut, JR McKenney, WS Daza, CL Lin… - Physical Review Letters, 2018 - APS
We show that a system of three species of one-dimensional fermions, with an attractive three-
body contact interaction, features a scale anomaly directly related to the anomaly of two …

The 1S0 Pairing Gap in Neutron Matter

S Gandolfi, G Palkanoglou, J Carlson, A Gezerlis… - Condensed …, 2022 - mdpi.com
We report ab initio calculations of the S wave pairing gap in neutron matter calculated using
realistic nuclear Hamiltonians that include two-and three-body interactions. We use a trial …

Observation of quantum-limited spin transport in strongly interacting two-dimensional Fermi gases

C Luciuk, S Smale, F Böttcher, H Sharum, BA Olsen… - Physical review …, 2017 - APS
We measure the transport properties of two-dimensional ultracold Fermi gases during
transverse demagnetization in a magnetic field gradient. Using a phase-coherent spin-echo …

Dynamical structure factors of a two-dimensional Fermi superfluid within random phase approximation

H Zhao, X Gao, W Liang, P Zou, F Yuan - New Journal of Physics, 2020 - iopscience.iop.org
Based on random phase approximation, we numerically calculate dynamical structure
factors of a balanced two-dimensional (2D) Fermi superfluid, and discuss their energy …

Toward precision Fermi-liquid theory in two dimensions

SR Beane, G Bertaina, RC Farrell, WR Marshall - Physical Review A, 2023 - APS
The ultracold and weakly coupled Fermi gas in two spatial dimensions is studied in an
effective field theory framework. It has long been observed that universal corrections to the …

Precision many-body study of the Berezinskii-Kosterlitz-Thouless transition and temperature-dependent properties in the two-dimensional Fermi gas

YY He, H Shi, S Zhang - Physical Review Letters, 2022 - APS
We perform large-scale, numerically exact calculations on the two-dimensional interacting
Fermi gas with a contact attraction. Reaching much larger lattice sizes and lower …

Fermi gases in the two-dimensional to quasi-two-dimensional crossover

C Cheng, J Kangara, I Arakelyan, JE Thomas - Physical Review A, 2016 - APS
We smoothly tune the dimensionality of pancake-shaped Li 6 Fermi gas clouds from quasi-
two-dimensional to two-dimensional (2D) to measure radio-frequency spectra and cloud …