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Fracton-elasticity duality of two-dimensional superfluid vortex crystals: defect interactions and quantum melting
by Dung Xuan Nguyen, Andrey Gromov, Sergej Moroz
- Published as SciPost Phys. 9, 076 (2020)
|As Contributors:||Sergej Moroz · Dung Nguyen|
|Arxiv Link:||https://arxiv.org/abs/2005.12317v3 (pdf)|
|Date submitted:||2020-10-13 05:54|
|Submitted by:||Moroz, Sergej|
|Submitted to:||SciPost Physics|
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.
Published as SciPost Phys. 9, 076 (2020)
Author comments upon resubmission
Thank you for considering our paper for publication in SciPost Physics.
We thank the referees for careful readings of our manuscript and for their constructive comments, which have helped us to improve our work.
with best regards,
Dung Xuan Nguyen, Andrey Gromov, Sergej Moroz
Submission & Refereeing History
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