Phase Diagram of the p-Spin-Interacting Spin Glass with Ferromagnetic Bias and a Transverse Field in the Infinite-p Limit(General)
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概要
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The phase diagram of the p-spin-interacting spin glass model in a transverse field is investigated in the limit p→∞ under the presence of ferromagnetic bias. Using the replica method and the static approximation, we show that the phase diagram consists of four phases: Quantum paramagnetic, classical paramagnetic, ferromagnetic, and spin-glass phases. We also show that the static approximation is valid in the ferromagnetic phase in the limit p→∞ by using the large-p expansion. Since the same approximation is already known to be valid in other phases, we conclude that the obtained phase diagram is exact.
- 社団法人日本物理学会の論文
- 2007-05-15
著者
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NISHIMORI Hidetoshi
Department of Physics,Tokyo Institute of Technology
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Sherrington David
Rudolf Peierls Centre For Theoretical Physics University Of Oxford
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OBUCHI Tomoyuki
Department of Physics, Tokyo Institute of Technology
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Nishimori Hidetoshi
Department Of Physics Tokyo Institute Of Technology
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Obuchi Tomoyuki
Department Of Physics Tokyo Institute Of Technology
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Nishimori Hidetoshi
Department Of Physics Facuilty Of Science Tokyo Institute Of Technology
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