Emergent Z2 Gauge Theories and Topological Excitations in Rydberg Atom Arrays

Strongly interacting arrays of Rydberg atoms provide versatile platforms for exploring exotic many-body phases and dynamics of correlated quantum systems. Motivated by recent experimental advances, we show that the combination of Rydberg interactions and appropriate lattice geometries naturally lead...

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Veröffentlicht in:	Physical review letters Jg. 130; H. 4
Hauptverfasser:	Samajdar, Rhine, Joshi, Darshan G., Teng, Yanting, Sachdev, Subir
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	United States American Physical Society (APS) 23.01.2023
Schlagworte:	ATOMIC AND MOLECULAR PHYSICS Physics
ISSN:	0031-9007
Online-Zugang:	Volltext
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Zusammenfassung:	Strongly interacting arrays of Rydberg atoms provide versatile platforms for exploring exotic many-body phases and dynamics of correlated quantum systems. Motivated by recent experimental advances, we show that the combination of Rydberg interactions and appropriate lattice geometries naturally leads to emergent Z2 gauge theories endowed with matter fields. Based on this mapping, we describe how Rydberg platforms could realize two distinct classes of topological Z2 quantum spin liquids, which differ in their patterns of translational symmetry fractionalization. Additionally, we also discuss the natures of the fractionalized excitations of these Z2 spin liquid states using both fermionic and bosonic parton theories and illustrate their rich interplay with proximate solid phases.
Bibliographie:	German National Academy of Sciences USDOE Office of Science (SC) SC0019030; LPDS 2020-01
ISSN:	0031-9007
DOI:	10.1103/physrevlett.130.043601