Pinning Frequency in Incommensurate CDW Systems -The Ward Identity-
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概要
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It is shown that the Ward identity should be taken into account in the calculationof the pinning frequency in the weak-pinning case. Otherwise, a strict condition forstability of the phason, i.e., for the pinning frequency being real is obtained. Thecalculation which satisfies the Ward identity is shown to guarttntee the phason stabil-ity without any condition. The result represents that the phason is pinned by im-purities no matter how weak the pinning potential is.
- 社団法人日本物理学会の論文
- 1988-12-15
著者
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NAKANE Yoshinori
Institute of Physics,University of Tsukuba
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Takada Satoshi
Institute Of Physics University Of Tsukuba
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Nakane Y
Univ. Tsukuba Ibaraki Jpn
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Nakane Yoshinori
Institute Of Physics University Of Tsukuba
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