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Continuous symmetry breaking in a two-dimensional Rydberg array.

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العنوان: Continuous symmetry breaking in a two-dimensional Rydberg array.
المؤلفون: Chen C; Institute of Optics Graduate School, CNRS, Charles Fabry Laboratory, University of Paris-Saclay, Palaiseau Cedex, France., Bornet G; Institute of Optics Graduate School, CNRS, Charles Fabry Laboratory, University of Paris-Saclay, Palaiseau Cedex, France., Bintz M; Department of Physics, University of California, Berkeley, CA, USA., Emperauger G; Institute of Optics Graduate School, CNRS, Charles Fabry Laboratory, University of Paris-Saclay, Palaiseau Cedex, France., Leclerc L; Institute of Optics Graduate School, CNRS, Charles Fabry Laboratory, University of Paris-Saclay, Palaiseau Cedex, France.; PASQAL SAS, Massy, France., Liu VS; Department of Physics, University of California, Berkeley, CA, USA., Scholl P; Institute of Optics Graduate School, CNRS, Charles Fabry Laboratory, University of Paris-Saclay, Palaiseau Cedex, France.; California Institute of Technology, Pasadena, CA, USA., Barredo D; Institute of Optics Graduate School, CNRS, Charles Fabry Laboratory, University of Paris-Saclay, Palaiseau Cedex, France.; Nanomaterials and Nanotechnology Research Center (CINN-CSIC), University of Oviedo (UO), El Entrego, Spain., Hauschild J; Department of Physics, University of California, Berkeley, CA, USA.; Department of Physics, Technical University of Munich, Garching, Germany.; Munich Center for Quantum Science and Technology (MCQST), München, Germany., Chatterjee S; Department of Physics, University of California, Berkeley, CA, USA., Schuler M; Institute for Theoretical Physics, University of Innsbruck, Innsbruck, Austria., Läuchli AM; Institute for Theoretical Physics, University of Innsbruck, Innsbruck, Austria.; Laboratory for Theoretical and Computational Physics, Paul Scherrer Institute, Villigen, Switzerland.; Institute of Physics, Swiss Federal Institute of Technology (EPFL), Lausanne, Switzerland., Zaletel MP; Department of Physics, University of California, Berkeley, CA, USA.; Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA., Lahaye T; Institute of Optics Graduate School, CNRS, Charles Fabry Laboratory, University of Paris-Saclay, Palaiseau Cedex, France., Yao NY; Department of Physics, University of California, Berkeley, CA, USA.; Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA.; Department of Physics, Harvard University, Cambridge, MA, USA., Browaeys A; Institute of Optics Graduate School, CNRS, Charles Fabry Laboratory, University of Paris-Saclay, Palaiseau Cedex, France. antoine.browaeys@institutoptique.fr.
المصدر: Nature [Nature] 2023 Apr; Vol. 616 (7958), pp. 691-695. Date of Electronic Publication: 2023 Feb 27.
نوع المنشور: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 0410462 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1476-4687 (Electronic) Linking ISSN: 00280836 NLM ISO Abbreviation: Nature Subsets: PubMed not MEDLINE; MEDLINE
أسماء مطبوعة: Publication: Basingstoke : Nature Publishing Group
Original Publication: London, Macmillan Journals ltd.
مستخلص: Spontaneous symmetry breaking underlies much of our classification of phases of matter and their associated transitions 1-3 . The nature of the underlying symmetry being broken determines many of the qualitative properties of the phase; this is illustrated by the case of discrete versus continuous symmetry breaking. Indeed, in contrast to the discrete case, the breaking of a continuous symmetry leads to the emergence of gapless Goldstone modes controlling, for instance, the thermodynamic stability of the ordered phase 4,5 . Here, we realize a two-dimensional dipolar XY model that shows a continuous spin-rotational symmetry using a programmable Rydberg quantum simulator. We demonstrate the adiabatic preparation of correlated low-temperature states of both the XY ferromagnet and the XY antiferromagnet. In the ferromagnetic case, we characterize the presence of a long-range XY order, a feature prohibited in the absence of long-range dipolar interaction. Our exploration of the many-body physics of XY interactions complements recent works using the Rydberg-blockade mechanism to realize Ising-type interactions showing discrete spin rotation symmetry 6-9 .
(© 2023. The Author(s), under exclusive licence to Springer Nature Limited.)
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معلومات مُعتمدة: W911NF-21-1-0262 Army Research Grant; W911NF-20-1-0136 Army Research Grant
تواريخ الأحداث: Date Created: 20230227 Date Completed: 20230505 Latest Revision: 20231122
رمز التحديث: 20231215
DOI: 10.1038/s41586-023-05859-2
PMID: 36848931
قاعدة البيانات: MEDLINE
الوصف
تدمد:1476-4687
DOI:10.1038/s41586-023-05859-2