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題名:	Finite-size scaling of pseudocritical point distributions in the random transverse-field Ising chain
作者:	林瑜琤 Lin, Yu-Cheng
貢獻者:	應物所
日期:	2007.08
上傳時間:	2014-05-06 11:31:22 (UTC+8)
摘要:	We study the distribution of finite-size pseudocritical points in a one-dimensional random quantum magnet with a quantum phase transition described by an infinite randomness fixed point. Pseudocritical points are defined in three different ways: the position of the maximum of the average entanglement entropy, the scaling behavior of the surface magnetization, and the energy of a soft mode. All three lead to a log-normal distribution of the pseudocritical transverse fields, where the width scales as L−1/ν with ν=2 and the shift of the average value scales as L−1/νtyp with νtyp=1, which we related to the scaling of average and typical quantities in the critical region.
關聯:	Physical Review B, 76(6), 064421(1-5)
資料類型:	article
DOI 連結:	http://dx.doi.org/10.1103/PhysRevB.76.064421
DOI:	10.1103/PhysRevB.76.064421
顯示於類別:	[應用物理研究所 ] 期刊論文

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