Cooper-pair-mediated coherence between two normal metals

Nature Physics

Volumn 5, Issue 6, 2009, Pages 393-397

  Cadden Zimansky, P ^a   Wei, J ^a   Chandrasekhar, V ^a  

^a NORTHWESTERN UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

PROBES; QUANTUM ENTANGLEMENT; SUPERCONDUCTING MATERIALS;

BARDEEN-COOPER-SCHRIEFFER; COHERENCE LENGTHS; CROSSED ANDREEV REFLECTIONS; EXPERIMENTAL EVIDENCE; MUTUAL COHERENCE; QUANTUM OBJECT; RESISTANCE OSCILLATION; THEORETICAL INVESTIGATIONS;

ELECTRONS;

EID: 67650251004     PISSN: 17452473     EISSN: 17452481     Source Type: Journal    
DOI: 10.1038/nphys1252     Document Type: Article

References (25)

1. Byers, J. M. & Flatté, M. E. Probing spatial correlations with nanoscale two-contact tunneling. Phys. Rev. Lett. 74, 306-309 (1995).
2. Deutscher, G. & Feinberg, D. Coupling superconducting-ferromagnetic point contacts by Andreev reflections. Appl. Phys. Lett. 76, 487-489 (2000).
3. Falci, G., Feinberg, D. & Hekking, F. W. J. Correlated tunneling into a superconductor in a multiprobe hybrid structure. Europhys. Lett. 54, 255-261 (2001).
4. Feinberg, D. Andreev scattering and cotunneling between two superconductor-normal metal interfaces: The dirty limit. Euro. Phys. J. B 36, 419-422 (2003).
5. Chtchelkatchev, N. M. Superconducting spin filter. JETP Lett. 78, 230-235 (2003).
6. Mélin, R. & Feinberg, D. Sign of the crossed conductances at a ferromagnet/superconductor/ferromagnet double interface. Phys. Rev. B 70, 174509 (2004).
7. Brinkman,A. Golubov,A. A.Crossed Andreev reflectionin diffusive contacts: Quasiclassical Keldysh-Usadel formalism. Phys. Rev. B 74, 214512 (2006).
8. Morten, J. P., Brataas, A. & Belzig, W. Circuit theory for crossed Andreev reflection and nonlocal conductance. Appl. Phys. A 89, 609-612 (2007).
9. Levy Yeyati, A., Bergeret, F. S., Martín-Rodero, A. & Klapwijk, T. M. Entangled Andreev pairs and collective excitations in nanoscale superconductors. Nature Phys. 3, 455-459 (2007).
10. Beckmann, D., Weber, H. B. & Löhneysen, H. v. Evidence for crossed Andreev reflection in superconductor-ferromagnet hybrid structures. Phys. Rev. Lett. 93, 197003 (2004).
11. Russo, S., Kroug, M., Klapwijk, T. M. & Morpurgo, A. F. Experimental observation of bias-dependent nonlocal Andreev reflection. Phys. Rev. Lett. 95, 027002 (2005).
12. Cadden-Zimansky, P. & Chandrasekhar, V. Nonlocal correlations in normal-metal superconducting systems. Phys. Rev. Lett. 97, 237003 (2006).
13. Nakano, H. & Takayanagi, H. Quasiparticle interferometer controlled by quantum-correlated Andreev reflection. Phys. Rev. B 47, 7986-7994 (1993).
14. de Vegvar, P. G. N., Fulton, T. A., Mallison, W. H. & Miller, R. E. Mesoscopic transport in tunable Andreev interferometers. Phys. Rev. Lett. 73, 1416-1419 (1994).
15. Pothier, H., Gueron, S., Esteve, D. & Devoret, M. H. Flux-modulated Andreev current caused by electronic interference. Phys. Rev. Lett. 73, 2488-2491 (1994).
16. Fujiki, H. et al. Nonlinear resistivity in the mixed state of superconducting aluminum films. Physica C 297, 309-316 (1998).
17. Chandrasekhar, V. in Superconductivity: Vol. 1: Conventional and High Temperature Superconductors (eds Bennemann, K. H. & Ketterson, J. B.) 279-313 (Springer, 2008).
18. Baselmans, J. J. A., Morpurgo, A. F., van Wees, B. J. & Klapwijk, T.M. Reversing the direction of the supercurrent in a controllable Josephson junction. Nature 397, 43-45 (1999).
19. Shaikhaidarov, R., Volkov, A. F., Takayanagi, H., Petrashov, V. T. & Delsing, P. Josephson effects in a superconductor normal-metal mesoscopic structure with a dangling superconducting arm. Phys. Rev. B 62, R14 649-652 (2000).
20. Huang, J., Pierre, F., Heikkilä, T. T., Wilhelm, F. K. & Birge, N. O. Observation of a controllable π junction in a 3-terminal Josephson device. Phys. Rev. B 66, 020507(R) (2002).
21. Kogan, V.R., Pavlovskii, V.V. & Volkov, A.F. Electron-hole imbalances in superconductor/normal-metal mesoscopic structures. Europhys. Lett. 59, 875-881 (2002).
22. Büttiker, M. & Klapwijk, T. M. Flux sensitivity of a piecewise normal and superconducting metal loop. Phys. Rev. B 33, 5114-5117 (1986).
23. Cayssol, J., Kontos, T. & Montambaux, G. Isolated hybrid normal/superconducting ring in a magnetic flux: From persistent current to Josephson current. Phys. Rev. B 67, 184508 (2003).
24. Zou, J. et al. Influence of supercurrents on low-temperature thermopower in mesoscopic N/S structures. J. Low Temp. Phys. 146, 193-212 (2007).
25. Adler, J. G. & Jackson, J. E. System for observing small nonlinearities in tunnel junctions. Rev. Sci. Inst. 37, 1049-1054 (1966).