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cond-mat.supr-con2006
Variational band theory of vibronic polarons in crystals. II. Extending Merrifield's Ansatz
D. W. Brown, K. Lindenberg, M. Georgiev
Merrifield's Variational Ansatz is extended so as to cover the case of two electronic bands mixed by an Einstein phonon. The Hamiltonian is composed of the local and kinetic (hoppi…
cond-mat.supr-con2005
Itinerant vibronic polarons: A Merrifield approach I. Low energy range calculations
S. G. Tsintsarska, M. D. Ivanovich, A. Andreev +3
We extend Merrifield's Variational Ansatz in the variational band theory of polarons to cover a frame of two electronic bands mixed by an Einstein phonon. The Hamiltonian is compos…