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Asymptotic freedom at the Berezinskii-Kosterlitz-Thouless transition without fine-tuning using a qubit regularization

Asymptotic freedom at the Berezinskii-Kosterlitz-Thouless transition without fine-tuning using a qubit regularization
Asymptotic freedom at the Berezinskii-Kosterlitz-Thouless transition without fine-tuning using a qubit regularization
We propose a two-dimensional hard-core loop-gas model as a way to regularize the asymptotically free massive continuum quantum field theory that emerges at the Berezinskii-Kosterlitz-Thouless transition. Without fine-tuning, our model can reproduce the universal step-scaling function of the classical lattice
1079-7114
Maiti, Sandip
95f7691a-9956-4e68-8fe3-81d5ed4fa474
Banerjee, Debasish
dcc5d706-d0ed-40b7-94f6-a4ddd7d41646
Chandrasekharan, Shailesh
162eccab-c1a9-4b5c-8142-7a0ab4814cb3
Marinkovic, Marina K.
29a44565-8110-4642-8780-129c1061b494
Maiti, Sandip
95f7691a-9956-4e68-8fe3-81d5ed4fa474
Banerjee, Debasish
dcc5d706-d0ed-40b7-94f6-a4ddd7d41646
Chandrasekharan, Shailesh
162eccab-c1a9-4b5c-8142-7a0ab4814cb3
Marinkovic, Marina K.
29a44565-8110-4642-8780-129c1061b494

Maiti, Sandip, Banerjee, Debasish, Chandrasekharan, Shailesh and Marinkovic, Marina K. (2024) Asymptotic freedom at the Berezinskii-Kosterlitz-Thouless transition without fine-tuning using a qubit regularization. Physical Review Letters, 132, [041601]. (doi:10.1103/PhysRevLett.132.041601).

Record type: Article

Abstract

We propose a two-dimensional hard-core loop-gas model as a way to regularize the asymptotically free massive continuum quantum field theory that emerges at the Berezinskii-Kosterlitz-Thouless transition. Without fine-tuning, our model can reproduce the universal step-scaling function of the classical lattice

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PhysRevLett.132.041601 - Version of Record
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Accepted/In Press date: 11 December 2023
Published date: 22 January 2024

Identifiers

Local EPrints ID: 501411
URI: http://eprints.soton.ac.uk/id/eprint/501411
ISSN: 1079-7114
PURE UUID: cd35923c-2858-4808-8e30-3ffa0814a77b
ORCID for Debasish Banerjee: ORCID iD orcid.org/0000-0003-0244-4337

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Date deposited: 30 May 2025 16:50
Last modified: 22 Aug 2025 02:47

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Contributors

Author: Sandip Maiti
Author: Debasish Banerjee ORCID iD
Author: Shailesh Chandrasekharan
Author: Marina K. Marinkovic

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