World-Line Monte Carlo Study of the Dispersion Relation of an S=1 Antiferromagnetic Heisenberg Chain
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概要
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A world-line quantum Monte Carlo method is employed to study the dispersion relation of an S=1 antiferromagnetic Heisenberg chain. An imaginary-time correlation function is evaluated on a transformed two-dimensional Ising system, and the low-lying energy spectrum is extracted from that. This straightforward method produces a dispersion relation which agrees well with the previous results.
- 社団法人日本物理学会の論文
- 1994-08-15
著者
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Miyashita Seiji
Graduate School of Human and Environmental Studies
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Yamamoto Shoji
Department Of Biological Chemistry And Crest (core Research For Educational Science And Technology)
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Miyashita Seiji
Graduate School Of Human And Environmental Studies Kyoto University
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Yamamoto Shoji
Department Of Physics Faculty Of Science Osaka University
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