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題名 Entanglement entropy at infinite-randomness fixed points in higher dimensions
作者 林瑜琤
Lin, Yu-Cheng
貢獻者 應物所
日期 2007.10
上傳時間 1-May-2014 17:51:08 (UTC+8)
摘要 The entanglement entropy of the two-dimensional random transverse Ising model is studied with a numerical implementation of the strong-disorder renormalization group. The asymptotic behavior of the entropy per surface area diverges at, and only at, the quantum phase transition that is governed by an infinite-randomness fixed point. Here we identify a double-logarithmic multiplicative correction to the area law for the entanglement entropy. This contrasts with the pure area law valid at the infinite-randomness fixed point in the diluted transverse Ising model in higher dimensions.
關聯 Physical Review Letters, 99(14), 147202(1-4)
資料類型 article
dc.contributor 應物所en_US
dc.creator (作者) 林瑜琤zh_TW
dc.creator (作者) Lin, Yu-Chengen_US
dc.date (日期) 2007.10en_US
dc.date.accessioned 1-May-2014 17:51:08 (UTC+8)-
dc.date.available 1-May-2014 17:51:08 (UTC+8)-
dc.date.issued (上傳時間) 1-May-2014 17:51:08 (UTC+8)-
dc.identifier.uri (URI) http://nccur.lib.nccu.edu.tw/handle/140.119/65809-
dc.description.abstract (摘要) The entanglement entropy of the two-dimensional random transverse Ising model is studied with a numerical implementation of the strong-disorder renormalization group. The asymptotic behavior of the entropy per surface area diverges at, and only at, the quantum phase transition that is governed by an infinite-randomness fixed point. Here we identify a double-logarithmic multiplicative correction to the area law for the entanglement entropy. This contrasts with the pure area law valid at the infinite-randomness fixed point in the diluted transverse Ising model in higher dimensions.en_US
dc.format.extent 375379 bytes-
dc.format.mimetype application/pdf-
dc.language.iso en_US-
dc.relation (關聯) Physical Review Letters, 99(14), 147202(1-4)en_US
dc.title (題名) Entanglement entropy at infinite-randomness fixed points in higher dimensionsen_US
dc.type (資料類型) articleen