Specific heat to H c2: Evidence for nodes or deep minima in the superconducting gap of underdoped and overdoped Ba(Fe 1-xCo x) 2As 2

Physical Review B - Condensed Matter and Materials Physics

Volumn 86, Issue 1, 2012, Pages

  Kim, J S ^a   Faeth, B D ^a   Wang, Y ^a   Hirschfeld, P J ^a   Stewart, G R ^a   Gofryk, K ^b   Ronning, F ^b   Sefat, A S ^c   Choi, K Y ^d   Kim, K H ^d  

^a University of Florida   (United States)

^b LOS ALAMOS NATIONAL LABORATORY   (United States)

^c OAK RIDGE NATIONAL LABORATORY   (United States)

^d Seoul National University   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84863848212     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.86.014513     Document Type: Article

References (29)

1. G. R. Stewart, Rev. Mod. Phys. RMPHAT 0034-6861 10.1103/RevModPhys.83. 1589 83, 1589 (2011).
2. M. A. Tanatar, J.-Ph. Reid, H. Shakeripour, X. G. Luo, N. Doiron-Leyraud, N. Ni, S. L. Bud'ko, P. C. Canfield, R. Prozorov, and L. Taillefer, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.104.067002 104, 067002 (2010).
3. L. Luan, O. M. Auslaender, T. M. Lippman, C. W. Hicks, B. Kalisky, J.-H. Chu, J. G. Analytis, I. R. Fisher, J. R. Kirtley, and K. A. Moler, Phys. Rev. B PLRBAQ 1098-0121 10.1103/PhysRevB.81.100501 81, 100501 (R) (2010).
4. J. P. Reid, M. A. Tanatar, X. G. Luo, H. Shakeripour, N. Doiron-Leyraud, N. Ni, S. L. Budko, P. C. Canfield, R. Prozorov, and L. Taillefer, Phys. Rev. B PLRBAQ 1098-0121 10.1103/PhysRevB.82.064501 82, 064501 (2010).
5. K. A. Moler, D. J. Baar, J. S. Urbach, R. Liang, W. N. Hardy, and A. Kapitulnik, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.73.2744 73, 2744 (1994).
6. G. R. Stewart and B. L. Brandt, Phys. Rev. B PLRBAQ 1098-0121 10.1103/PhysRevB.29.3908 29, 3908 (1984).
7. G. E. Volovik, JETP 58, 469 (1993).
8. N. Nakai, P. Miranovic, M. Ichioka, and K. Machida, Phys. Rev. B PLRBAQ 1098-0121 10.1103/PhysRevB.70.100503 70, 100503 (2004).
9. Y. Bang, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.104.217001 104, 217001 (2010).
10. Y. Wang, J. S. Kim, G. R. Stewart, P. J. Hirschfeld, S. Graser, S. Kasahara, T. Terashima, Y. Matsuda, T. Shibauchi, and I. Vekhter, Phys. Rev. B PLRBAQ 1098-0121 10.1103/PhysRevB.84.184524 84, 184524 (2011).
11. Y. Matsuda, K. Izawa, and I. Vekhter, J. Phys.: Condens. Matter 0953-8984 10.1088/0953-8984/18/44/R01 18, R705 (2006). (Pubitemid 46069920)
12. G. Mu, J. Tang, Y. Tanabe, J. Xu, S. Heguri, and K. Tanigaki, Phys. Rev. B PLRBAQ 1098-0121 10.1103/PhysRevB.84.054505 84, 054505 (2011).
13. D.-J. Jang, A. B. Vorontsov, I. Vekhter, K. Gofryk, Z. Yang, S. Ju, J. B. Hong, J. H. Han, Y. S. Kwon, F. Ronning, J. D. Thompson, and T. Park, New J. Phys. NJOPFM 1367-2630 10.1088/1367-2630/13/2/023036 13, 023036 (2011).
14. G. Mu, J. Tang, Y. Tanabe, J. Xu, B. Zeng, B. Shen, F. Han, H.-H. Wen, S. Higuri, and K. Tanigaki, arXiv: 1110.3403.
15. V. Mishra, A. Vorontsov, P. J. Hirschfeld, and I. Vekhter, Phys. Rev. B PLRBAQ 1098-0121 10.1103/PhysRevB.80.224525 80, 224525 (2009).
16. A. S. Sefat, R. Jin, M. A. McGuire, B. C. Sales, D. J. Singh, and D. Mandrus, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.101.117004 101, 117004 (2008).
17. K. Gofryk, A. B. Vorontsov, I. Vekhter, A. S. Sefat, T. Imai, E. D. Bauer, J. D. Thompson, and F. Ronning, Phys. Rev. B PLRBAQ 1098-0121 10.1103/PhysRevB.83.064513 83, 064513 (2011).
18. G. Stewart, Rev. Sci. Instrum. 0034-6748 10.1063/1.1137207 54, 1 (1983); (Pubitemid 13491845)
19. B. Andraka, G. Fraunberger, J. S. Kim, C. Quitmann, and G. R. Stewart, Phys. Rev. B PLRBAQ 1098-0121 10.1103/PhysRevB.39.6420 39, 6420 (1989).
20. J. S. Kim, E. G. Kim, and G. R. Stewart, J. Phys.: Condens. Matter 0953-8984 10.1088/0953-8984/21/25/252201 21, 252201 (2009).
21. H. R. O'Neal and N. E. Phillips, Phys. Rev. PHRVAO 0031-899X 10.1103/PhysRev.137.A748 137, A748 (1965).
22. A. Gurevich, Rep. Prog. Phys. RPPHAG 0034-4885 10.1088/0034-4885/74/12/ 124501 74, 124501 (2011).
23. H. Suhl, B. T. Matthias, and L. R. Walker, Phys. Rev. Lett. PRLTAO 0031-9007 10.1103/PhysRevLett.3.552 3, 552 (1959).
24. E. J. Nicol and J. P. Carbotte, Phys. Rev. B PLRBAQ 1098-0121 10.1103/PhysRevB.71.054501 71, 054501 (2005). (Pubitemid 40410932)
25. O. V. Dolgov, I. I. Mazin, D. Parker, and A. A. Golubov, Phys. Rev. B PLRBAQ 1098-0121 10.1103/PhysRevB.79.060502 79, 060502 (R) (2009).
26. V. G. Kogan, C. Martin, and R. Prozorov, Phys. Rev. B PLRBAQ 1098-0121 10.1103/PhysRevB.80.014507 80, 014507 (2009).
27. W. Pesch, Z. Phys. B ZPBBDJ 0340-224X 10.1007/BF01313306 21, 263 (1975);
28. P. Kimusch and W. Pesch, J. Low Temp. Phys. JLTPAC 0022-2291 10.1007/BF00056664 32, 869 (1978).
29. T. Dahm, S. Graser, C. Iniotakis, and N. Schopohl, Phys. Rev. B PLRBAQ 1098-0121 10.1103/PhysRevB.66.144515 66, 144515 (2002).