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Superconductivity and other phase transitions in a hybrid Bose-Fermi mixture formed by a polariton condensate and an electron system in two dimensions
Ovidiu Cotleţ, Sina Zeytinoǧlu, Manfred Sigrist +2
Interacting Bose-Fermi systems play a central role in condensed matter physics. Here, we analyze a novel Bose-Fermi mixture formed by a cavity exciton-polariton condensate interact…
p-wave Superfluidity by Spin-Nematic Fermi Surface Deformation
Jan Gukelberger, Evgeny Kozik, Lode Pollet +4
We study attractively interacting fermions on a square lattice with dispersion relations exhibiting strong spin-dependent anisotropy. The resulting Fermi surface mismatch suppresse…
Superfluid properties of one-component Fermi gas with an anisotropic p-wave interaction
Daisuke Inotani, Manfred Sigrist, Yoji Ohashi
We investigate superfluid properties and strong-coupling effects in a one-component Fermi gas with an anisotropic p-wave interaction. Within the framework of the Gaussian fluctuati…
From the Cooper problem to canted supersolids in Bose-Fermi mixtures
Peter Anders, Philipp Werner, Matthias Troyer +2
We calculate the phase diagram of the Bose-Fermi Hubbard model on the 3d cubic lattice at fermionic half filling and bosonic unit filling by means of single-site dynamical mean-fie…
Pseudogap phenomenon in an ultracold Fermi gas with a p-wave pairing interaction
D. Inotani, R. Watanabe, M. Sigrist +1
We investigate single-particle properties of a one-component Fermi gas with a tunable p-wave interaction. Including pairing fluctuations associated with this anisotropic interactio…
Dynamical Unbinding Transition in a Periodically Driven Mott Insulator
Fabian Hassler, Andreas Rüegg, Manfred Sigrist +1
We study the double occupancy in a fermionic Mott insulator at half-filling generated via a dynamical periodic modulation of the hopping amplitude. Tuning the modulation amplitude,…