Ultracold Fermi gases with emergent SU (N) symmetry

MA Cazalilla, AM Rey - Reports on Progress in Physics, 2014 - iopscience.iop.org
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 …

An SU (6) Mott insulator of an atomic Fermi gas realized by large-spin Pomeranchuk cooling

S Taie, R Yamazaki, S Sugawa, Y Takahashi - Nature Physics, 2012 - nature.com
The Hubbard model accounts for many of the diverse phenomena observed in solid-state
materials, despite incorporating only nearest-neighbour hop** and on-site interactions for …

Direct Probing of the Mott Crossover in the Fermi-Hubbard Model

C Hofrichter, L Riegger, F Scazza, M Höfer… - Physical Review X, 2016 - APS
We report on a detailed experimental investigation of the equation of state (EoS) of the three-
dimensional Fermi-Hubbard model (FHM) in its generalized SU (N)-symmetric form, using a …

A one-dimensional liquid of fermions with tunable spin

G Pagano, M Mancini, G Cappellini, P Lombardi… - Nature Physics, 2014 - nature.com
Correlations in systems with spin degree of freedom are at the heart of fundamental
phenomena, ranging from magnetism to superconductivity. The effects of correlations …

Observation of antiferromagnetic correlations in an ultracold SU(N) Hubbard model

S Taie, E Ibarra-García-Padilla, N Nishizawa… - Nature Physics, 2022 - nature.com
Mott insulators are paradigmatic examples of strongly correlated physics from which many
phases of quantum matter with hard-to-explain properties emerge. Extending the typical SU …

Thermodynamics of a deeply degenerate SU(N)-symmetric Fermi gas

L Sonderhouse, C Sanner, RB Hutson, A Goban… - Nature Physics, 2020 - nature.com
Many-body quantum systems can exhibit a striking degree of symmetry unparallelled in their
classical counterparts. In real materials SU (N) symmetry is an idealization, but this …

Many-body physics of ultracold alkaline-earth atoms with SU (N)-symmetric interactions

E Ibarra-García-Padilla… - Journal of Physics …, 2024 - iopscience.iop.org
Symmetries play a crucial role in understanding phases of matter and the transitions
between them. Theoretical investigations of quantum models with SU (N) symmetry have …

Phases of one-dimensional SU (N) cold atomic Fermi gases—From molecular Luttinger liquids to topological phases

S Capponi, P Lecheminant, K Totsuka - Annals of Physics, 2016 - Elsevier
Alkaline-earth and ytterbium cold atomic gases make it possible to simulate SU (N)-
symmetric fermionic systems in a very controlled fashion. Such a high symmetry is expected …

Universal thermodynamics of an Fermi-Hubbard model

E Ibarra-García-Padilla, S Dasgupta, HT Wei, S Taie… - Physical Review A, 2021 - APS
The SU (2) symmetric Fermi-Hubbard model (FHM) plays an essential role in strongly
correlated fermionic many-body systems. In the one particle per site and strongly interacting …

[BUKU][B] Degenerate quantum gases of strontium

S Stellmer, F Schreck, TC Killian - 2013 - World Scientific
All of the early experiments reaching Bose–Einstein condensation (BEC) 1 and the Fermi-
degenerate regime2 in ultracold gases were performed with alkali atoms. In recent years …