Emergent Z2 Gauge Theories and Topological Excitations in Rydberg Atom Arrays

Samajdar, Rhine; Joshi, Darshan G.; Teng, Yanting; Sachdev, Subir

doi:10.1103/physrevlett.130.043601

Emergent Z 2 Gauge Theories and Topological Excitations in Rydberg Atom Arrays

Journal Article · Mon Jan 23 00:00:00 EST 2023 · Physical Review Letters

DOI:https://doi.org/10.1103/physrevlett.130.043601· OSTI ID:2420909

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Harvard Univ., Cambridge, MA (United States); Princeton Univ., NJ (United States); OSTI
Harvard Univ., Cambridge, MA (United States)
Harvard Univ., Cambridge, MA (United States); Institute for Advanced Study, Princeton, NJ (United States)

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 Z 2 gauge theories endowed with matter fields. Based on this mapping, we describe how Rydberg platforms could realize two distinct classes of topological Z 2 quantum spin liquids, which differ in their patterns of translational symmetry fractionalization. Additionally, we also discuss the natures of the fractionalized excitations of these Z 2 spin liquid states using both fermionic and bosonic parton theories and illustrate their rich interplay with proximate solid phases.

View Accepted Manuscript (DOE)

Research Organization:: Harvard Univ., Cambridge, MA (United States)

Sponsoring Organization:: German National Academy of Sciences; USDOE Office of Science (SC)

Grant/Contract Number:: SC0019030

OSTI ID:: 2420909

Journal Information:: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 4 Vol. 130; ISSN 0031-9007

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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