Quench dynamics in confined 1 + 1-dimensional systems
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Publication:2994744
DOI10.1088/1751-8113/49/12/12LT01zbMATH Open1343.81192arXiv1502.02678OpenAlexW887508196MaRDI QIDQ2994744
Author name not available (Why is that?)
Publication date: 3 August 2016
Published in: (Search for Journal in Brave)
Abstract: We present a framework for investigating the response of conformally-invariant confined 1+1-dimensional systems to a quantum quench. While conformal invariance is generally destroyed in a global quantum quench, systems that can be described as or mapped to integrable deformations of a CFT may present special instances where a conformal field theory-based analysis could provide useful insight into the non-equilibrium dynamics. We investigate this possibility by considering a quench analogous to that of the Quantum Newton's Cradle experiment [Nature 440, 900 (2006)] and demonstrating qualitative agreement between observables derived in the CFT framework and those of the experimental system. We propose that this agreement may be a feature of the proximity of the experimental system to an integrable deformation of a c=1 CFT.
Full work available at URL: https://arxiv.org/abs/1502.02678
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