Scattering resonances and two-particle bound states of the extended Hubbard model

Details Scattering resonances and two-particle bound states of the extended Hubbard model Scattering resonances and two-particle bound states of the extended Hubbard model

2009-03-26

arxiv.org/abs/0903.4574v1

J. Phys. B 42, 121001 (2009)

Physics

Quantum Physics

4 pages, 4 figures

Scientific paper

10.1088/0953-4075/42/12/121001

We present a complete derivation of two-particle states of the one-dimensional extended Hubbard model involving attractive or repulsive on-site and nearest-neighbour interactions. We find that this system possesses scattering resonances and two families of energy-dependent interaction-bound states which are not present in the Hubbard model with the on-site interaction alone.

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