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On Applying the Subspace Perturbation Theory to Few-Body Hamiltonians

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Abstract

We present a selection of results on variation of the spectral subspace of a Hermitian operator under a Hermitian perturbation and show how these results may work for few-body Hamiltonians.

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Authors and Affiliations

  1. Bogoliubov Laboratory of Theoretical Physics, JINR, Joliot-Curie 6, 141980, Dubna, Moscow Region, Russia

    Alexander K. Motovilov

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  1. Alexander K. Motovilov
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Correspondence to Alexander K. Motovilov.

Additional information

This work was supported by the Heisenberg-Landau Program and by the Russian Foundation for Basic Research.

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Motovilov, A.K. On Applying the Subspace Perturbation Theory to Few-Body Hamiltonians. Few-Body Syst 55, 813–816 (2014). https://doi.org/10.1007/s00601-013-0752-8

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  • DOI: https://doi.org/10.1007/s00601-013-0752-8

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