@article{Cavaliere:PRL:2004, 
year = {2003}, 
title = {{Negative Differential Conductance Induced by Spin-Charge Separation}}, 
author = {Cavaliere, F. and Braggio, A. and Stockburger, J. T. and Sassetti, M. and Kramer, B.}, 
journal = {Physical Review Letters}, 
issn = {0031-9007}, 
doi = {10.1103/physrevlett.93.036803}, 
pmid = {15323853}, 
eprint = {cond-mat/0309619}, 
url = {http://dx.doi.org/10.1103/PhysRevLett.93.036803}, 
abstract = {{Spin-charge states of correlated electrons in a one-dimensional quantum dot attached to interacting leads are studied in the nonlinear transport regime. With nonsymmetric tunnel barriers, regions of negative differential conductance induced by spin-charge separation are found. They are due to a correlation-induced trapping of higher-spin states without magnetic field and are associated with a strong increase in the fluctuations of the electron spin.}}, 
pages = {036803}, 
volume = {93}
}

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