Abstract
The semimetal model1 is discussed for the case of extremely high magnetic fields, such that ln(p 0/x) >> 1, wherep 0 is the Fermi momentum and x is the reciprocal of the Debye radius. It is shown that a symmetrical vertex has only one pole in this case. This pole is governed by the interaction constant, which includes the Coulomb logarithm, ln(p 0/x).
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References
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A. A. Abrikosov,Zh. Eksperim. i Teor. Fiz. 56, 1391 (1969).
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Abrikosov, A.A. On the possibility of exciton formation in semimetals in extremely high magnetic fields. II. J Low Temp Phys 2, 175–186 (1970). https://doi.org/10.1007/BF00628174
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DOI: https://doi.org/10.1007/BF00628174