Exact Ground-State Energies of the Random-Field Ising Chain and Ladder(General)
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概要
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We derive the exact ground-state energy of the one-dimensional Ising model in random fields taking values h, 0 and -h with general probabilities. The random-field Ising model on a ladder is also analyzed by showing its equivalence to the random-field Ising chain with field values ±h and 0 for h<J. The zero-temperature transfer matrix is used to obtain the results.
- 社団法人日本物理学会の論文
- 2004-06-15
著者
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Nishimori Hidetoshi
Department Of Physics Facuilty Of Science Tokyo Institute Of Technology
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Hamasaki Toshiyuki
Department Of Physics Tokyo Institute Of Technology
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