Diamagnetic Persistent Currents and Spontaneous Time-Reversal Symmetry Breaking in Mesoscopic Structures TeX Export

@article{citeulike:3749166, abstract = {Recently, new strongly interacting phases have been uncovered in mesoscopic systems with chaotic scattering at the boundaries by two of the present authors and R. Shankar. This analysis is reliable when the dimensionless conductance of the system is large, and is nonperturbative in both disorder and interactions. The new phases are the mesoscopic analogue of spontaneous distortions of the Fermi surface induced by interactions in bulk systems and can occur in any Fermi liquid channel with angular momentum \$m\$. Here we show that the phase with \$m\$ even has a diamagnetic persistent current (seen experimentally but mysterious theoretically), while that with \$m\$ odd can be driven through a transition which spontaneously breaks time-reversal symmetry by increasing the coupling to dissipative leads.}, archivePrefix = {arXiv}, author = {Herman, Damir and Mathur, Harsh and Murthy, Ganpathy}, citeulike-article-id = {3749166}, citeulike-linkout-0 = {http://arxiv.org/abs/cond-mat/0305364}, citeulike-linkout-1 = {http://arxiv.org/pdf/cond-mat/0305364}, day = {15}, eprint = {cond-mat/0305364}, keywords = {spincurrent, topology}, month = {May}, posted-at = {2008-12-04 22:00:06}, priority = {2}, title = {Diamagnetic Persistent Currents and Spontaneous Time-Reversal Symmetry Breaking in Mesoscopic Structures}, url = {http://arxiv.org/abs/cond-mat/0305364}, year = {2003} }

TY - JOUR ID - citeulike:3749166 L3 - citeulike-article-id:3749166 N2 - Recently, new strongly interacting phases have been uncovered in mesoscopic systems with chaotic scattering at the boundaries by two of the present authors and R. Shankar. This analysis is reliable when the dimensionless conductance of the system is large, and is nonperturbative in both disorder and interactions. The new phases are the mesoscopic analogue of spontaneous distortions of the Fermi surface induced by interactions in bulk systems and can occur in any Fermi liquid channel with angular momentum $m$. Here we show that the phase with $m$ even has a diamagnetic persistent current (seen experimentally but mysterious theoretically), while that with $m$ odd can be driven through a transition which spontaneously breaks time-reversal symmetry by increasing the coupling to dissipative leads. TI - Diamagnetic Persistent Currents and Spontaneous Time-Reversal Symmetry Breaking in Mesoscopic Structures KW - spincurrent KW - topology AU - Herman, Damir AU - Mathur, Harsh AU - Murthy, Ganpathy PY - 2003/May/15/ UR - http://arxiv.org/abs/cond-mat/0305364 ER -