The hole spectral function and the relationship between overlap functions, natural orbitals and the one-body density matrix in nuclei
A. N. Antonov, M. V. Stoitsov, M. K. Gaidarov, S. S. Dimitrova, P. E. Hodgson
Abstract
A method to calculate the hole spectral function in the discrete part of the spectrum is suggested within the natural orbital representation of the one-body density matrix of A-nucleon system using its relationship with the overlap functions of the eigenstates in the (A-1)-nucleon system.
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