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Anomalous supersolidity in a weakly interacting dipolar Bose mixture on a square lattice

Wilson, Ryan M. and Shirley, Wilbur E. and Natu, Stefan S. (2016) Anomalous supersolidity in a weakly interacting dipolar Bose mixture on a square lattice. Physical Review A, 93 (1). Art. No. 011605. ISSN 2469-9926. doi:10.1103/PhysRevA.93.011605.

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We calculate the mean-field phase diagram of a zero-temperature, binary Bose mixture on a square optical lattice, where one species possesses a non-negligible dipole moment. Remarkably, this system exhibits supersolidity for anomalously weak dipolar interaction strengths, which are readily accessible with current experimental capabilities. The supersolid phases are robust, in that they occupy large regions in the parameter space. Further, we identify a first-order quantum phase transition between supersolid and superfluid phases. Our results demonstrate the rich features of the dipolar Bose mixture, and suggest that this system is well suited for exploring supersolidity in the experimental setting.

Item Type:Article
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URLURL TypeDescription Paper
Natu, Stefan S.0000-0002-2249-6364
Additional Information:© 2016 American Physical Society. Received 24 September 2015; published 19 January 2016. We acknowledge B. M. Anderson for helpful conversations in the early stages of this work. R.W. acknowledges partial support from the Office of Naval Research under Grant No. N00014115WX01372, and from the National Science Foundation under Grant No. PHY-1516421. W.S. acknowledges support from a JQI-PFC Seed Grant. S.N. thanks the LPS-CMTC, LPS-MPO-CMTC, JQI-NSF-PFC, and ARO-MURI for support.
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Office of Naval Research (ONR)N00014115WX01372
University of MarylandUNSPECIFIED
Army Research Office (ARO)UNSPECIFIED
Issue or Number:1
Record Number:CaltechAUTHORS:20160211-105020809
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Official Citation:Anomalous supersolidity in a weakly interacting dipolar Bose mixture on a square lattice Ryan M. Wilson, Wilbur E. Shirley, and Stefan S. Natu Phys. Rev. A 93, 011605(R) – Published 19 January 2016
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:64419
Deposited By: Tony Diaz
Deposited On:18 Feb 2016 21:18
Last Modified:10 Nov 2021 23:30

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