Numerical and Monte Carlo Bethe ansatz method: 1D Heisenberg model
Publication in refereed journal

香港中文大學研究人員

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摘要In this paper we present two new numerical methods for studying thermodynamic quantities of integrable models. As an example of the effectiveness of these two approaches, results from numerical solutions of all sets of Bethe ansatz equations, for small Heisenberg chains, and Monte Carlo simulations in quasi-momentum space, for a relatively larger chains, are presented. Our results agree with those obtained by the thermodynamic Bethe ansatz (TBA). As an application of these ideas, the pairwise entanglement between two nearest neighbors at finite temperatures is studied.
著者Gu SJ, Peres NMR, Li YQ
期刊名稱European Physical Journal B: Condensed Matter and Complex Systems
出版年份2005
月份11
日期1
卷號48
期次2
出版社SPRINGER
頁次157 - 165
國際標準期刊號1434-6028
電子國際標準期刊號1434-6036
語言英式英語
Web of Science 學科類別Physics; Physics, Condensed Matter; PHYSICS, CONDENSED MATTER

上次更新時間 2021-02-05 於 01:37