Phase fluctuations in a strongly disordered s-wave nbn superconductor close to the metal-insulator transition

Physical Review Letters

Volumn 106, Issue 4, 2011, Pages

  Mondal, Mintu ^a   Kamlapure, Anand ^a   Chand, Madhavi ^a   Saraswat, Garima ^a   Kumar, Sanjeev ^a   Jesudasan, John ^a   Benfatto, L ^b   Tripathi, Vikram ^a   Raychaudhuri, Pratap ^a  

^a TATA INSTITUTE OF FUNDAMENTAL RESEARCH   (India)

^b SAPIENZA UNIVERSITY OF ROME   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

ELECTRONIC SPECTRUM; HIGHER TEMPERATURES; LOW TEMPERATURES; PHASE FLUCTUATION; PSEUDOGAP STATE; SUPERCONDUCTING STATE; SUPERFLUID DENSITY; WAVE SUPERCONDUCTORS;

METAL INSULATOR BOUNDARIES; SEMICONDUCTOR INSULATOR BOUNDARIES; SHEAR WAVES; SUPERCONDUCTING MATERIALS; SUPERCONDUCTIVITY;

METAL INSULATOR TRANSITION;

EID: 79251473103     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.106.047001     Document Type: Article

References (40)

1. P.W. Anderson, J. Phys. Chem. Solids 11, 26 (1959). JPCSAW 0022-3697 10.1016/0022-3697(59)90036-8
2. A.M. Goldman and N. Marković, Phys. Today 51, No. 11, 39 (1998). PHTOAD 0031-9228 10.1063/1.882069
3. V.F. Gantmakher, Theory of Quantum Transport in Metallic and Hybrid Nanostructures, edited by, A. Glatz, (Springer, New York, 2006), p. 83.
4. M.D. Stewart, Science SCIEAS 0036-8075 318, 1273 (2007). 10.1126/science.1149587
5. R. Crane, Phys. Rev. B PRBMDO 1098-0121 75, 184530 (2007). 10.1103/PhysRevB.75.184530
6. B. Sacepe, Phys. Rev. Lett. 101, 157006 (2008); PRLTAO 0031-9007 10.1103/PhysRevLett.101.157006
7. B. Sacepe Nature Commun. 2041-1723 1, 140 (2010). 10.1038/ncomms1140
8. M.V. Feigelman, Phys. Rev. Lett. 98, 027001 (2007); PRLTAO 0031-9007 10.1103/PhysRevLett.98.027001
9. M.V. Feigelman Ann. Phys. (N.Y.) 325, 1390 (2010). APNYA6 0003-4916 10.1016/j.aop.2010.04.001
10. V.J. Emery and S.A. Kivelson, Nature (London) 374, 434 (1995). NATUAS 0028-0836 10.1038/374434a0
11. M. Tinkham, Introduction to Superconductivity (McGraw-Hill, Singapore, 1996).
12. A.M. Finkelstein, Physica (Amsterdam) 197B, 636 (1994); PHYBE3 0921-4526 10.1016/0921-4526(94)90267-4
13. P.W. Anderson, K.A. Muttalib, and T.V. Ramakrishnan, Phys. Rev. B PRBMDO 0163-1829 28, 117 (1983). 10.1103/PhysRevB.28.117
14. A. Ghosal, M. Randeria, and N. Trivedi, Phys. Rev. Lett. 81, 3940 (1998); PRLTAO 0031-9007 10.1103/PhysRevLett.81.3940
15. Y. Dubi, Y. Meir, and Y. Avishai, Nature (London) 449, 876 (2007). NATUAS 0028-0836 10.1038/nature06180
16. M. Mondal, J. Supercond. Nov. Magn. 10.1007/s10948-010-1038-8 (in press). 1557-1939
17. S.P. Chockalingam, Phys. Rev. B PRBMDO 0163-1829 77, 214503 (2008). 10.1103/PhysRevB.77.214503
18. M. Chand, Phys. Rev. B PRBMDO 0163-1829 80, 134514 (2009). 10.1103/PhysRevB.80.134514
19. A. Kamlapure, Appl. Phys. Lett. 96, 072509 (2010); APPLAB 0003-6951 10.1063/1.3314308
20. see supplemental material at http://link.aps.org/supplemental/10.1103/ PhysRevLett.106.047001 for analysis of low temperature λ ⊃- 2 (T) data, Sec. 4.
21. See supplemental material at http://link.aps.org/supplemental/10.1103/ PhysRevLett.106.047001 for details of the STM, Sec. 1.
22. S.P. Chockalingam, Phys. Rev. B PRBMDO 0163-1829 79, 094509 (2009). 10.1103/PhysRevB.79.094509
23. A. Kapitulnik and G. Kotliar, Phys. Rev. Lett. 54, 473 (1985); PRLTAO 0031-9007 10.1103/PhysRevLett.54.473
24. M. Ma and P.A. Lee, Phys. Rev. B PRBMDO 0163-1829 32, 5658 (1985). 10.1103/PhysRevB.32.5658
25. M. Ma and E. Fradkin, Phys. Rev. Lett. 56, 1416 (1986). PRLTAO 0031-9007 10.1103/PhysRevLett.56.1416
26. T. Klein, Phys. Rev. B PRBMDO 1098-0121 75, 165313 (2007). 10.1103/PhysRevB.75.165313
27. See supplemental material at http://link.aps.org/supplemental/10.1103/ PhysRevLett.106.047001 for individual line scans, Sec. 3.
28. C. Ebner and D. Stroud, Phys. Rev. B PRBMDO 0163-1829 28, 5053 (1983). 10.1103/PhysRevB.28.5053
29. L. Benfatto, Phys. Rev. B PRBMDO 0163-1829 63, 174513 (2001). 10.1103/PhysRevB.63.174513
30. E. Roddick and D. Stroud, Phys. Rev. Lett. 74, 1430 (1995). PRLTAO 0031-9007 10.1103/PhysRevLett.74.1430
31. S. Chakravarty, Phys. Rev. Lett. 56, 2303 (1986); PRLTAO 0031-9007 10.1103/PhysRevLett.56.2303
32. S. Chakravarty Phys. Rev. B PRBMDO 0163-1829 37, 3283 (1988). 10.1103/PhysRevB.37.3283
33. M. Tazawa, Int. J. Infrared Millim. Waves IJIWDO 0195-9271 19, 1155 (1998). 10.1023/A:1022616608395
34. P.A. Lee, Phys. Rev. Lett. 71, 1887 (1993). PRLTAO 0031-9007 10.1103/PhysRevLett.71.1887
35. S.-F. Lee, Phys. Rev. Lett. 77, 735 (1996). PRLTAO 0031-9007 10.1103/PhysRevLett.77.735
36. J. Corson, Phys. Rev. Lett. 85, 2569 (2000). PRLTAO 0031-9007 10.1103/PhysRevLett.85.2569
37. R.W. Crane, Phys. Rev. B PRBMDO 0163-1829 75, 094506 (2007). 10.1103/PhysRevB.75.094506
38. See supplemental material at http://link.aps.org/supplemental/10.1103/ PhysRevLett.106.047001 for indirect evidence of low energy dissipation in our system obtained from low temperature tunneling DOS, Sec. 2.
39. J.L. Tallon, J.G. Storey, and J.W. Loram, arXiv:0908.4428.
40. F); A. Larkin and A. Varlamov, Theory of Fluctuations in Superconductors (Clarendon Press, Oxford, 2005).