“Imbalanced Superfluid Fermi Gas on a Lieb Lattice" SEMINAR ANNOUNCEMENT
Marek Tylutki Aalto University, Finland
- https://fisica.upc.edu/es/eventos/201cimbalanced-superfluid-fermi-gas-on-a-lieb-lattice-seminar-announcement
- “Imbalanced Superfluid Fermi Gas on a Lieb Lattice" SEMINAR ANNOUNCEMENT
- 2018-04-17T16:00:00+02:00
- 2018-04-17T18:00:00+02:00
- Marek Tylutki Aalto University, Finland
17/04/2018 de 16:00 a 18:00 (Europe/Madrid / UTC200)
UPC campus nord, B4-212 (aula seminari)
SEMINAR ANNOUNCEMENT
Tuesday, 17th of April 2018 at 16:00
UPC campus Nord, B4-212 (aula seminari)
Marek Tylutki
Aalto University,
Finland
“Imbalanced Superfluid Fermi Gas on a Lieb Lattice"
Abstract
We study the Hubbard model with spin imbalance on a Lieb lattice, which features a flat band. The flat band is known to enhance superfluidity due to a diverging density of states. We obtain a phase diagram of this system, and we identify a variety of phases. Apart from the standard BCS and normal states, we observe the Fulde-Ferrell-Larkin-Ovchinnikov type phases with space-dependent pairing function. We also find a thermodynamically stable Sarma phase, where the imbalance coexists with a spatially uniform order parameter.
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