3 years ago

The excitation energy spectrum for a system with electron pairs tunneling in a two-leg ladder has a doping depended gap.

Valentin Voroshilov

A new model with a new Hamiltonian is offered as the means for studying properties of a system of strongly correlated electrons. Consideration of the simplest possible situation, namely a system on non-interacting electrons in a two-leg ladder, leads to an expression for the excitation energy spectrum with no energy gap at the half-filling and with an energy gap away from the half filling.

Publisher URL: http://arxiv.org/abs/1609.07981

DOI: arXiv:1609.07981v5

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