Article (Scientific journals)
Role of boundary conditions in the full counting statistics of topological defects after crossing a continuous phase transition
Gómez-Ruiz, Fernando J.; Subires, David; Del Campo Echevarria, Adolfo
2022In Physical Review. B, Condensed Matter and Materials Physics
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Abstract :
[en] In a scenario of spontaneous symmetry breaking in finite time, topological defects are generated at a density that scales with the driving time according to the Kibble-Zurek mechanism (KZM). Signatures of universality beyond the KZM have recently been unveiled: The number distribution of topological defects has been shown to follow a binomial distribution, in which all cumulants inherit the universal power-law scaling with the quench rate, with cumulant rations being constant. In this work, we analyze the role of boundary conditions in the statistics of topological defects. In particular, we consider a lattice system with nearest-neighbor interactions subject to soft antiperiodic, open, and periodic boundary conditions implemented by an energy penalty term. We show that for fast and moderate quenches, the cumulants of the kink number distribution present a universal scaling with the quench rate that is independent of the boundary conditions except for an additive term, which becomes prominent in the limit of slow quenches, leading to the breaking of power-law behavior. We test our theoretical predictions with a one-dimensional scalar theory on a lattice.
Disciplines :
Physics
Author, co-author :
Gómez-Ruiz, Fernando J.;  Instituto de Física Fundamental IFF-CSIC, Calle Serrano 113b, Madrid 28006, Spain ; Donostia International Physics Center, E-20018 San Sebastián, Spain
Subires, David;  Donostia International Physics Center, E-20018 San Sebastián, Spain
Del Campo Echevarria, Adolfo  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)
External co-authors :
yes
Language :
English
Title :
Role of boundary conditions in the full counting statistics of topological defects after crossing a continuous phase transition
Publication date :
10 October 2022
Journal title :
Physical Review. B, Condensed Matter and Materials Physics
ISSN :
1550-235X
Publisher :
American Physical Society, United States - Maryland
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Physics and Materials Science
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since 02 November 2022

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