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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Vydané v:Physical review letters Ročník 130; číslo 4
Hlavní autori: Samajdar, Rhine, Joshi, Darshan G., Teng, Yanting, Sachdev, Subir
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: United States American Physical Society (APS) 23.01.2023
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ATOMIC AND MOLECULAR PHYSICS
Physics
ISSN:0031-9007
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Abstract 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.
AbstractList 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.
Author Sachdev, Subir
Teng, Yanting
Samajdar, Rhine
Joshi, Darshan G.
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  fullname: Sachdev, Subir
  organization: Harvard Univ., Cambridge, MA (United States); Institute for Advanced Study, Princeton, NJ (United States)] (ORCID:0000000224327070
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Snippet Strongly interacting arrays of Rydberg atoms provide versatile platforms for exploring exotic many-body phases and dynamics of correlated quantum systems....
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Title Emergent Z2 Gauge Theories and Topological Excitations in Rydberg Atom Arrays
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