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Acoustic Plasmons in Layered Systems and the Phonon-Plasmon Mechanism of Superconductivity

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Abstract

We address the question whether or not acoustic collective modes contribute to superconductivity in a layered electron gas. We calculate T c within the strong-coupling phonon-plasmon scheme. The plasmon pairing kernel is calculated explicitly. We demonstrate that plasmons may contribute constructively to superconductivity. The result shows that one can interpret the effect of low-energy collective modes in terms of an effective negative μ*.

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Authors and Affiliations

  1. Max-Planck Institut für Physik komplexer Systeme, 01187, Dresden, Germany

    Andreas Bill, Hans Morawitz & Vladimir Z. Kresin

  2. Paul Scherrer Institut, Festkörpertheorie, 5232, Villigen, Switzerland

    Andreas Bill, Hans Morawitz & Vladimir Z. Kresin

  3. IBM Almaden Research Center, 650 Harry Rd., San Jose, CA, 95120, USA

    Hans Morawitz

  4. Lawrence Berkeley Laboratory, University of California, Berkeley, CA, 94720, USA

    Vladimir Z. Kresin

Authors
  1. Andreas Bill
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  2. Hans Morawitz
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  3. Vladimir Z. Kresin
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Bill, A., Morawitz, H. & Kresin, V.Z. Acoustic Plasmons in Layered Systems and the Phonon-Plasmon Mechanism of Superconductivity. Journal of Low Temperature Physics 117, 283–287 (1999). https://doi.org/10.1023/A:1022592827318

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  • DOI: https://doi.org/10.1023/A:1022592827318

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