Rigorous results in the theory of superconductivity with Coulomb-like repulsion

A.P. Bakulev, N.N. Bogoljubov and A.M. Kurbatov

Physica A: Statistical Mechanics and its Applications, 1986, vol. 134, issue 2, 359-376

Abstract: The traditional method of the approximating hamiltonian is applied for the investigation of a model of a superconductor with interaction of the BCS type and Coulomb-like repulsion, the latter being described by unbounded operators. It is shown that the traditional method can be generalized in such a way that for the model under consideration one can prove the asymptotic (in the thermodynamic limit V → ∞) coincidence not only of the free energies (per unit volume) but also of the correlation functions of the model and approximating hamiltonians.

Date: 1986
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:134:y:1986:i:2:p:359-376

DOI: 10.1016/0378-4371(86)90055-5

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