The BCS–BEC crossover: From ultra-cold Fermi gases to nuclear systems
This report addresses topics and questions of common interest in the fields of ultra-cold
gases and nuclear physics in the context of the BCS–BEC crossover. By this crossover, the …
gases and nuclear physics in the context of the BCS–BEC crossover. By this crossover, the …
Crossover from Bardeen-Cooper-Schrieffer to Bose-Einstein condensation and the unitary Fermi gas
M Randeria, E Taylor - Annu. Rev. Condens. Matter Phys., 2014 - annualreviews.org
The crossover from weak-coupling Bardeen-Cooper-Schrieffer (BCS) pairing to a Bose-
Einstein condensate (BEC) of tightly bound pairs, as a function of the attractive interaction in …
Einstein condensate (BEC) of tightly bound pairs, as a function of the attractive interaction in …
Observation of a pairing pseudogap in a two-dimensional Fermi gas
Pairing of fermions is ubiquitous in nature, underlying many phenomena. Examples include
superconductivity, superfluidity of 3He, the anomalous rotation of neutron stars, and the …
superconductivity, superfluidity of 3He, the anomalous rotation of neutron stars, and the …
When superconductivity crosses over: From BCS to BEC
New developments in superconductivity, particularly through unexpected and often
surprising forms of superconducting materials, continue to excite the community and …
surprising forms of superconducting materials, continue to excite the community and …
Review of pseudogaps in strongly interacting Fermi gases
EJ Mueller - Reports on Progress in Physics, 2017 - iopscience.iop.org
A central challenge in modern condensed matter physics is developing the tools for
understanding nontrivial yet unordered states of matter. One important idea to emerge in this …
understanding nontrivial yet unordered states of matter. One important idea to emerge in this …
Spectral properties and observables in ultracold Fermi gases
E Dizer, J Horak, JM Pawlowski - Physical Review A, 2024 - APS
We calculate nonperturbative self-consistent fermionic and bosonic spectral functions of
ultracold Fermi gases with the spectral functional approach. This approach allows for a …
ultracold Fermi gases with the spectral functional approach. This approach allows for a …
Spectral functions of the strongly interacting three-dimensional Fermi gas
CH Johansen, B Frank, J Lang - Physical Review A, 2024 - APS
Computing dynamical properties of strongly interacting quantum many-body systems poses
a major challenge to theoretical approaches. Usually, one has to resort to numerical analytic …
a major challenge to theoretical approaches. Usually, one has to resort to numerical analytic …
Local origin of the pseudogap in the attractive Hubbard model
We provide a fresh perspective on the pseudogap physics for attractive fermions as
described by the three-dimensional Hubbard model. The pseudogap in the single-particle …
described by the three-dimensional Hubbard model. The pseudogap in the single-particle …
Spectral functions of the strongly interacting 3D Fermi gas
CH Johansen, B Frank, J Lang - arXiv preprint arXiv:2311.03953, 2023 - arxiv.org
Computing dynamical properties of strongly interacting quantum many-body systems poses
a major challenge to theoretical approaches. Usually, one has to resort to numerical analytic …
a major challenge to theoretical approaches. Usually, one has to resort to numerical analytic …
Pairing correlations across the superfluid phase transition in the unitary Fermi gas
S Jensen, CN Gilbreth, Y Alhassid - Physical Review Letters, 2020 - APS
In the two-component Fermi gas with a contact interaction, a pseudogap regime can exist at
temperatures between the superfluid critical temperature T c and a temperature T*> T c. This …
temperatures between the superfluid critical temperature T c and a temperature T*> T c. This …