Abstract.
In this paper we give two different variational characterizations for the eigenvalues of H+V where H denotes the free Dirac operator and V is a scalar potential. The first one is a min-max involving a Rayleigh quotient. The second one consists in minimizing an appropriate nonlinear functional. Both methods can be applied to potentials which have singularities as strong as the Coulomb potential.
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Received June 5, 1998 / Accepted June 11, 1999
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Dolbeault, J., Esteban, M. & Séré, E. Variational characterization for eigenvalues of Dirac operators. Calc Var 10, 321–347 (2000). https://doi.org/10.1007/s005260010321
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DOI: https://doi.org/10.1007/s005260010321