Existence of Critical Disorder and Vanishing of Mass by Replica-Symmetry Breaking in Random Sine-Gordon Model

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概要

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• A study is made of tlue sine-Gordon model with random amplitude bearing the lattice pinningpotential and the random pinning potential, tusing the variational-replica method developed bylVIc4zard and Parish. We find the existence of the critical strength of disorder below xvhich tlaelong-range translational order of the lattice is xnaintained and above which the replica-symmetryis broken. It is shown that the replica-symmetry breaking leads to the vanishing of the mass dueto the lattice pinning potential. A phase diagram in the ternperattmre-disorder plane is discussed.

• 社団法人日本物理学会の論文
• 1996-09-15

著者

• Sasada Tomohei

  Shonan Institute Of Technology

関連論文

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• Existence of Critical Disorder and Vanishing of Mass by Replica-Symmetry Breaking in Random Sine-Gordon Model

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