Results 41 to 50 of about 406 (180)

Functional determinant approach investigations of heavy impurity physics

open access: yesAAPPS Bulletin, 2023
In this brief review, we report some new development in the functional determinant approach (FDA), an exact numerical method, in the studies of a heavy quantum impurity immersed in Fermi gases and manipulated with radio-frequency pulses.
Jia Wang
doaj   +1 more source

Three-Component Ultracold Fermi Gases with Spin-Orbit Coupling [PDF]

open access: yesPhysical Review Letters, 2014
5+1.5 pages, 5+1 figures; published ...
Zhou, Lihong, Cui, Xiaoling, Yi, Wei
openaire   +3 more sources

Dimensional crossover in ultracold Fermi gases from functional renormalization [PDF]

open access: yesPhysical Review A, 2021
We investigate the dimensional crossover from three to two dimensions in an ultracold Fermi gas across the whole BCS-BEC crossover. Of particular interest is the strongly interacting regime as strong correlations are more pronounced in reduced dimensions.
Bruno M. Faigle-Cedzich   +2 more
openaire   +2 more sources

Universal Borromean Binding in Spin-Orbit-Coupled Ultracold Fermi Gases

open access: yesPhysical Review X, 2014
Borromean rings and Borromean binding, a class of intriguing phenomena as three objects are linked (bound) together while any two of them are unlinked (unbound), widely exist in nature and have been found in systems of biology, chemistry, and physics ...
Xiaoling Cui, Wei Yi
doaj   +1 more source

Finite Temperature Effects in Ultracold Fermi Gases

open access: yesProceedings of the International School of Physics “Enrico Fermi”, 2006
This article is written as a Lecture given in the 2006 Varenna Summer School on "Ultracold Fermi Gases". Here we present a review of BCS--Bose Einstein condensation (BEC) crossover theory with emphasis on finite temperature effects. We discuss the role of temperature $T$ as it enters a theoretical formalism which is based on the standard BCS-Leggett ...
Levin K., Chen Q.
openaire   +2 more sources

Strongly interacting Fermi gases

open access: yesEPJ Web of Conferences, 2013
Strongly interacting gases of ultracold fermions have become an amazingly rich test-bed for many-body theories of fermionic matter. Here we present our recent experiments on these systems.
Bakr W.   +8 more
doaj   +1 more source

Orientational Order Parameters for Arbitrary Quantum Systems

open access: yesAnnalen der Physik, Volume 532, Issue 12, December 2020., 2020
Order parameters for classical liquid crystals can be systematically derived using orientational expansions. This formalism is extended to the quantum‐mechanical case based on an orientational expansion of Wigner functions. The method is applied to spins, Fermi liquids, and molecules.
Michael te Vrugt, Raphael Wittkowski
wiley   +1 more source

Deformed Fermi surfaces in ultracold Fermi gases

open access: yes, 2004
v1: 12 pages, including 3 figures; v2: 5 pages, 3 figures, minor corrections.
Sedrakian, Armen   +3 more
openaire   +2 more sources

Ultracold Fermi gases with emergent SU(N) symmetry [PDF]

open access: yesReports on Progress in Physics, 2014
We review recent experimental and theoretical progress on ultracold alkaline-earth Fermi gases with emergent SU$(N)$ symmetry. Emphasis is placed on describing the ground-breaking experimental achievements of recent years. The latter include the cooling to below quantum degeneracy of various isotopes of ytterbium and strontium, the demonstration of ...
Cazalilla, M. A., Rey, A. M.
openaire   +3 more sources

Spin Susceptibility above the Superfluid Onset in Ultracold Fermi Gases [PDF]

open access: yesPhysical Review Letters, 2021
Ultracold atomic Fermi gases can be tuned to interact strongly, where they display spectroscopic signatures above the superfluid transition reminiscent of the pseudogap in cuprates. However, the extent of the analogy can be questioned, since thermodynamic quantities in the low temperature spin-imbalanced normal state can be described successfully using
Yun Long, Feng Xiong, Colin V. Parker
openaire   +3 more sources

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