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Many-body and correlation effects in semiconductors

Author

Listed:
  • D. S. Chemla

    (University of California at Berkeley, Lawrence Berkeley Laboratory)

  • Jagdeep Shah

    (Bell Laboratories, Lucent Technologies)

Abstract

Solids consist of 1022–1023 particles per cubic centimetre, interacting through infinite-range Coulomb interactions. The linear response of a solid to a weak external perturbation is well described by the concept of non-interacting ‘quasiparticles’ first introduced by Landau. But interactions between quasiparticles can be substantial in dense systems. For example, studies over the past decade have shown that Coulomb correlations between quasiparticles dominate the nonlinear optical response of semiconductors, in marked contrast to the behaviour of atomic systems. These Coulomb correlations and other many-body interactions are important not only for semiconductors, but also for all condensed-matter systems.

Suggested Citation

  • D. S. Chemla & Jagdeep Shah, 2001. "Many-body and correlation effects in semiconductors," Nature, Nature, vol. 411(6837), pages 549-557, May.
    • Handle: RePEc:nat:nature:v:411:y:2001:i:6837:d:10.1038_35079000
    DOI: 10.1038/35079000
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    Cited by:

    1. Angelica Simbula & Luyan Wu & Federico Pitzalis & Riccardo Pau & Stefano Lai & Fang Liu & Selene Matta & Daniela Marongiu & Francesco Quochi & Michele Saba & Andrea Mura & Giovanni Bongiovanni, 2023. "Exciton dissociation in 2D layered metal-halide perovskites," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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