Spin-charge separation in strongly interacting finite ladder rings

Details Spin-charge separation in strongly interacting finite ladder rings Spin-charge separation in strongly interacting finite ladder rings

2008-11-13

arxiv.org/abs/0811.2231v1

Phys. Rev. B 78 125115 (2008)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 6 figures

Scientific paper

10.1103/PhysRevB.78.125115

We study the conductance through Aharonov-Bohm finite ladder rings with strongly interacting electrons, modelled by the prototypical t-J model. For a wide range of parameters we observe characteristic dips in the conductance as a function of magnetic flux, predicted so far only in chains which are a signature of spin and charge separation. These results open the possibility of observing this peculiar many-body phenomenon in anisotropic ladder systems and in real nanoscopic devices.

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