Das, S. ; Rao, S. ; Saha, A. (2009) Resonant charge and spin transport in a Τ-stub coupled to a superconductor European Physical Journal B, 72 (1). pp. 139-144. ISSN 1434-6028
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Official URL: https://link.springer.com/article/10.1140/epjb/e20...
Related URL: http://dx.doi.org/10.1140/epjb/e2009-00346-5
Abstract
We study transport through a single channel Τ-stub geometry strongly coupled to a superconducting reservoir. In contrast to the standard stub geometry which has both transmission resonances and anti-resonances in the coherent limit, we find that due to the proximity effect, this geometry shows neither a T = 1 resonance (T is the transmission probability for electrons incident on the Τ-stub) nor a T = 0 anti-resonance as we vary the energy of the incident electron. Instead, we find that there is only one resonant value at T = 1/4, where charge transport vanishes while the spin transport is perfect
| Item Type: | Article |
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| Source: | Copyright of this article belongs to Springer Verlag. |
| ID Code: | 109464 |
| Deposited On: | 01 Feb 2018 05:12 |
| Last Modified: | 01 Feb 2018 05:12 |
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