摘要翻译:
我们将平均谱方法应用于虚时量子Monte Carlo模拟得到激发谱的问题。结果表明,在高质量的QMC数据下,该方法能很好地再现主要光谱特征。它还能够给出由多粒子连续激发所控制的区域的光谱信息。
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英文标题:
《Using the average spectrum method to extract dynamics from quantum Monte
Carlo simulations》
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作者:
Olav F. Syljuasen
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最新提交年份:
2008
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分类信息:
一级分类:Physics 物理学
二级分类:Strongly Correlated Electrons 强关联电子
分类描述:Quantum magnetism, non-Fermi liquids, spin liquids, quantum criticality, charge density waves, metal-insulator transitions
量子磁学,非费米液体,自旋液体,量子临界性,电荷密度波,金属-绝缘体跃迁
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一级分类:Physics 物理学
二级分类:Statistical Mechanics 统计力学
分类描述:Phase transitions, thermodynamics, field theory, non-equilibrium phenomena, renormalization group and scaling, integrable models, turbulence
相变,热力学,场论,非平衡现象,重整化群和标度,可积模型,湍流
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英文摘要:
We apply the Average Spectrum Method to the problem of getting the excitation spectrum from imaginary-time quantum Monte Carlo simulations. We show that with high quality QMC data this method reproduces the dominant spectral features very well. It is also capable of giving information on the spectrum in regions dominated by the many-particle continuum of excitations.
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PDF链接:
https://arxiv.org/pdf/705.4173