- Autor(in)
- Referenz
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10 S. Stafström, Phys. Rev. B43 (1991) 9158
11 S. Stafström, Phys. Rev. B47 (1993) 12437
12 W. P. Su, J. R. Schrieffer, A. J. Heeger, Phys. Rev. B22 (1981) 2099
13 S. A. Brazovskii, N. N. Kirova, Zh. eksper. teor. Fiz., Pisma 33 (1981) 6
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16 H. Puff, H. W. Streitwolf, Synth. Metals 57 2 - 3 (1993) 4431
17 M. Abramowitz, I. Stegun, Handbook of Mathematical Functions, Dover Publ., Inc., New York 1965
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- Seitenbereich
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0092 - 0106
- Schlagwort(e)
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<KWD>Su-Schrieffer-Heeger model
broken-symmetry polaron solution
metal transition
non-degenerate ground state
periodic lattice distortions
- Zusammenfsg.
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In the continuum approximation of the Su-Schrieffer-Heeger model for degenerate and nondegenerate ground state systems, an exhaustive survey of solutions of the standard gap equations is given. With special emphasis on the electronic energy spectrum, the pertinent results of Takahashi [1] are extended to the whole μ, <I>k</I>-plane. Periodic metallic phases and their grand potentials are discussed.
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- Forschungsartikel