Variational Functionals for Excited States

2008/01/23 by Naoum C. Bacalis, Bacalis, Naoum C.
Physics and Astronomy · #FOS: Physical sciences #Quantum Physics (quant-ph) #quant-ph

paper · pdf · doi:10.48550/arxiv.0801.3673

4 pages

arxiv created 2008/01/23 · arxiv updated 2009/12/01

Abstract

Functionals that have local minima at the excited states of a non degenerate Hamiltonian are presented. Then, improved mutually orthogonal approximants of the ground and the first excited state are reported.

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