Observation of antiferromagnetic correlations in the Hubbard model with ultracold atoms

Russell A. Hart, Pedro M. Duarte, Tsung-Lin Yang, Xinxing Liu, Thereza Paiva, Ehsan Khatami, Richard T. Scalettar, Nandini Trivedi, David A. Huse and Randall G. Hulet ()
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Russell A. Hart: Rice University, 6100 Main Street, Houston, Texas 77005, USA
Pedro M. Duarte: Rice University, 6100 Main Street, Houston, Texas 77005, USA
Tsung-Lin Yang: Rice University, 6100 Main Street, Houston, Texas 77005, USA
Xinxing Liu: Rice University, 6100 Main Street, Houston, Texas 77005, USA
Thereza Paiva: Instituto de Fisica, Universidade Federal do Rio de Janeiro, Caixa Postal 68.528, Rio de Janeiro RJ, 21941-972, Brazil
Ehsan Khatami: San Jose State University, 1 Washington Square
Richard T. Scalettar: University of California, 1 Shields Avenue, Davis, California 95616, USA
Nandini Trivedi: The Ohio State University, 191 West Woodruff Avenue, Columbus, Ohio 43210, USA
David A. Huse: Princeton University
Randall G. Hulet: Rice University, 6100 Main Street, Houston, Texas 77005, USA

Nature, 2015, vol. 519, issue 7542, 211-214

Abstract: Ultracold atomic gases in optical lattices potentially offer simulations of condensed-matter phenomena beyond what theory and computations can access; compensated optical lattice techniques applied to the Hubbard model now enable unprecedented low temperatures to be reached for fermions — only 1.4 times that of the antiferromagnetic phase transition, approaching the limits of present modelling techniques.

Date: 2015
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DOI: 10.1038/nature14223

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