Spin-charge separation in strongly interacting finite ladder rings - Condensed Matter > Strongly Correlated ElectronsReportar como inadecuado




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Abstract: We study the conductance through Aharonov-Bohm finite ladder rings withstrongly interacting electrons, modelled by the prototypical t-J model. For awide range of parameters we observe characteristic dips in the conductance as afunction of magnetic flux, predicted so far only in chains which are asignature of spin and charge separation. These results open the possibility ofobserving this peculiar many-body phenomenon in anisotropic ladder systems andin real nanoscopic devices.



Autor: Julian Rincon, K. Hallberg, A. A. Aligia

Fuente: https://arxiv.org/







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