The pseudogap regime in the unitary Fermi gas

Jensen, S.; Gilbreth, C. N.; Alhassid, Y.

doi:10.1140/epjst/e2019-800105-y

The pseudogap regime in the unitary Fermi gas

Journal Article · Tue Mar 05 00:00:00 EST 2019 · European Physical Journal. Special Topics

DOI:https://doi.org/10.1140/epjst/e2019-800105-y· OSTI ID:1530857

Jensen, S. ^[1]; Gilbreth, C. N. ^[2]; Alhassid, Y. ^[1]

Yale Univ., New Haven, CT (United States)
Univ. of Washington, Seattle, WA (United States)

Here, 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 possible signatures of the pseudogap, review experimental results, and survey analytic and quantum Monte Carlo techniques before focusing on AFMC calculations in the canonical ensemble. For the latter method, we discuss results for the heat capacity, condensate fraction, energy-staggering pairing gap, and spin susceptibility, and compare to experiment and results of other theoretical methods.

View Accepted Manuscript (DOE)

Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: AC02-05CH11231; FG02-00ER41132; FG02-91ER40608; SC0019521

OSTI ID:: 1530857

Journal Information:: European Physical Journal. Special Topics, Journal Name: European Physical Journal. Special Topics Journal Issue: 15-16 Vol. 227; ISSN 1951-6355

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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