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Fracton-elasticity ...
Fracton-elasticity duality of two-dimensional superfluid vortex crystals : defect interactions and quantum melting
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- Nguyen, Dung Xuan (author)
- Brown University, USA
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- Gromov, Andrey (author)
- Brown University, USA
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- Moroz, Sergej (author)
- Technische Universität München, DEU; Munich Center for Quantum Science and Technology [MCQST], DEU
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(creator_code:org_t)
- SciPost Foundation, 2020
- 2020
- English.
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In: SciPost Physics. - : SciPost Foundation. - 2542-4653. ; 9:5
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https://kau.diva-por... (primary) (Raw object)
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Abstract
Subject headings
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- Employing the fracton-elastic duality, we develop a low-energy effective theory of a zero-temperature vortex crystal in a two-dimensional bosonic superfluid which naturally incorporates crystalline topological defects. We extract static interactions between these defects and investigate several continuous quantum transitions triggered by the Higgs condensation of vortex vacancies/interstitials and dislocations. We propose that the quantum melting of the vortex crystal towards the hexatic or smectic phase may occur via a pair of continuous transitions separated by an intermediate vortex supersolid phase.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- Physics
- Fysik
Publication and Content Type
- ref (subject category)
- art (subject category)
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