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Light-induced evaporative cooling of holes in the Hubbard model

Werner, Philipp and Eckstein, Martin and Müller, Markus and Refael, Gil (2019) Light-induced evaporative cooling of holes in the Hubbard model. Nature Communications, 10 . Art. No. 5556. ISSN 2041-1723. PMCID PMC6895176. doi:10.1038/s41467-019-13557-9.

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An elusive goal in the field of driven quantum matter is the induction of long-range order. Here, we propose a mechanism based on light-induced evaporative cooling of holes in a correlated fermionic system. Since the entropy of a filled narrow band grows rapidly with hole doping, the isentropic transfer of holes from a doped Mott insulator to such a band results in a drop of temperature. Strongly correlated Fermi liquids and symmetry-broken states could thus be produced by dipolar excitations. Using nonequilibrium dynamical mean field theory, we show that suitably designed chirped pulses may realize this cooling effect. In particular, we demonstrate the emergence of antiferromagnetic order in a system which is initially in a weakly correlated state above the maximum Néel temperature. Our work suggests a general strategy for inducing strong correlation phenomena in periodically modulated atomic gases in optical lattices or light-driven materials.

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URLURL TypeDescription CentralArticle Paper
Werner, Philipp0000-0002-2136-6568
Eckstein, Martin0000-0003-0124-5408
Müller, Markus0000-0002-0299-952X
Alternate Title:Cooling by photo-doping −− Light-induced symmetry breaking in the Hubbard model
Additional Information:© 2019 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit Received 18 April 2019; Accepted 14 November 2019; Published 05 December 2019. We thank A.J. Millis for helpful discussions. The calculations have been performed on the Beo04 cluster at the University of Fribourg, using a software library co-developed by H. Strand. This work has been supported by the European Research Council through ERC Consolidator Grant no. 724103 (P.W.) and ERC Starting Grant no. 716648 (M.E.). G.R. acknowledges the support from the ARO MURI W911NF-16-1-0361 Quantum Materials by Design with Electromagnetic Excitation sponsored by the U.S. Army, from the Institute of Quantum Information and Matter, an NSF Frontier center funded by the Gordon and Betty Moore Foundation, and from the Packard Foundation. This work was initiated at the Aspen Center for Physics, during the 2018 Summer Program. P.W. and G.R. thank the ACP for its hospitality. Data availability: The data that support the findings of this study are available from the corresponding author upon reasonable request. Code availability: The codes used to produce the results of this study are based on a proprietary software library, which will be documented and published in the future. Author Contributions: P.W. conceived the idea, performed the calculations, and wrote the paper with the help of M.E., M.M., and G.R. All authors contributed to the discussion and interpretation of the results. The authors declare no competing interests.
Group:Institute for Quantum Information and Matter
Funding AgencyGrant Number
European Research Council (ERC)724103
European Research Council (ERC)716648
Army Research Office (ARO)W911NF-16-1-0361
Institute for Quantum Information and Matter (IQIM)UNSPECIFIED
Gordon and Betty Moore FoundationUNSPECIFIED
David and Lucile Packard FoundationUNSPECIFIED
Subject Keywords:Electronic properties and materials; Theoretical physics
PubMed Central ID:PMC6895176
Record Number:CaltechAUTHORS:20190425-142141029
Persistent URL:
Official Citation:Werner, P., Eckstein, M., Müller, M. et al. Light-induced evaporative cooling of holes in the Hubbard model. Nat Commun 10, 5556 (2019) doi:10.1038/s41467-019-13557-9
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:94980
Deposited By: Tony Diaz
Deposited On:25 Apr 2019 22:14
Last Modified:17 Feb 2022 00:09

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