Observation and quantification of the pseudogap in unitary Fermi gases
The microscopic origin of high-temperature superconductivity in cuprates remains unknown.
It is widely believed that substantial progress could be achieved by better understanding of …
It is widely believed that substantial progress could be achieved by better understanding of …
Universal spin transport and quantum bounds for unitary fermions
We review recent advances in experimental and theoretical understanding of spin transport
in strongly interacting Fermi gases. The central new phenomenon is the observation of a …
in strongly interacting Fermi gases. The central new phenomenon is the observation of a …
Spectral response and contact of the unitary Fermi gas
We measure radio frequency (rf) spectra of the homogeneous unitary Fermi gas at
temperatures ranging from the Boltzmann regime through quantum degeneracy and across …
temperatures ranging from the Boltzmann regime through quantum degeneracy and across …
Angle-resolved photoemission spectroscopy of a Fermi–Hubbard system
Angle-resolved photoemission spectroscopy (ARPES) measures the single-particle
excitations of a many-body quantum system with energy and momentum resolution …
excitations of a many-body quantum system with energy and momentum resolution …
The pseudogap regime in the unitary Fermi gas
S Jensen, CN Gilbreth, Y Alhassid - The European Physical Journal …, 2019 - Springer
We discuss the pseudogap regime in the unitary Fermi gas (UFG), with a particular
emphasis on the auxiliary-field quantum Monte Carlo (AFMC) approach. We discuss …
emphasis on the auxiliary-field quantum Monte Carlo (AFMC) approach. We discuss …
Spectral function of Fermi polarons at finite temperature from a self-consistent many-body -matrix approach in real frequency
We theoretically examine the finite-temperature spectral function of Fermi polarons in three
dimensions by using a self-consistent many-body T-matrix theory in real frequency. In …
dimensions by using a self-consistent many-body T-matrix theory in real frequency. In …
Emergence of a Pseudogap in the BCS-BEC Crossover
Strongly correlated Fermi systems with pairing interactions become superfluid below a
critical temperature T c. The extent to which such pairing correlations alter the behavior of …
critical temperature T c. The extent to which such pairing correlations alter the behavior of …
Contact in the unitary Fermi gas across the superfluid phase transition
S Jensen, CN Gilbreth, Y Alhassid - Physical Review Letters, 2020 - APS
A quantity known as the contact is a fundamental thermodynamic property of quantum many-
body systems with short-range interactions. Determination of the temperature dependence …
body systems with short-range interactions. Determination of the temperature dependence …
High-temperature pairing in a strongly interacting two-dimensional Fermi gas
The nature of the normal phase of strongly correlated fermionic systems is an outstanding
question in quantum many-body physics. We used spatially resolved radio-frequency …
question in quantum many-body physics. We used spatially resolved radio-frequency …
Pseudo-conformal sound speed in the core of compact stars
M Rho - Symmetry, 2022 - mdpi.com
By implementing the putative “hadron-quark continuity” conjectured in QCD in terms of
skyrmion-half-skyrmion topological change in an effective field theory for dense matter, we …
skyrmion-half-skyrmion topological change in an effective field theory for dense matter, we …