Specific heat of YBa2Cu3O7-δ and (La2-ξSrξ)CuO4: Evidence for δ-wave pairing

Journal of Superconductivity and Novel Magnetism

Volumn 12, Issue 1, 1999, Pages 105-111

  Phillips, N E ^a   Buffeteau, B ^b   Calemczuk, R ^b   Dennis, K W ^c   Emerson, J P ^a   Fisher, R A ^a   Gordon, J E ^a,d   Hargreaves, T E ^c   Marcenat, C ^b   McCallum, R W ^c   O'Connor, A S ^c   Schilling, A ^a,e   Woodfield, B F ^a,f   Wright, D A ^a  

^a LAWRENCE BERKELEY NATIONAL LABORATORY   (United States)

^b CEA GRENOBLE   (France)

^c IOWA STATE UNIVERSITY   (United States)

^d AMHERST COLLEGE   (United States)

^e UNIVERSITY OF ZURICH   (Switzerland)

^f N243 Eyring Science Center   (United States)

Author keywords

d wave; LSCO; Specific heat; YBCO

Indexed keywords

DOPPLER EFFECT; ELECTRON TUNNELING; ELECTRONIC DENSITY OF STATES; ENERGY GAP; MAGNETIC FIELDS; SPECIFIC HEAT;

NODES; WAVE PAIRING;

OXIDE SUPERCONDUCTORS;

EID: 0033075784     PISSN: 15571939     EISSN: 15571947     Source Type: Journal    
DOI: None     Document Type: Article

References (23)

1. K. A. Kouznetsov et al., Phys. Rev. Lett. 79, 3050 (1997). This paper is a report of evidence of a mixed order-parameter symmetry with a dominant d-wave component, but a significant swave component. It gives references to earlier experiments.
2. D. J. Scalapino, private communication.
3. N. B. Kopnin and G. E. Volovik, JETP Lett. 64, 690 (1996);
4. G. E. Volovik, JETP Lett. 65, 491 (1997).
5. G. E. Volovik, JETP Lett. 58, 469 (1993).
6. H. Won and K. Maki, Europhys. Lett. 30, 421 (1995).
7. S. H. Simon and P. A. Lee, Phys. Rev. Lett. 78, 1548 (1997).
8. K. A. Moler et al., Phys. Rev. Lett. 73, 2744 (1994).
9. R. A. Fisher et al., Physica C252, 237 (1995).
10. B. Revaz et al., Phys. Rev. Lett. 80, 3364 (1998).
11. N. Momono et al., Physica C233, 395 (1994);
12. N. Momono and M. Ido, Physica C 264, 1 (1996).
13. S. J. Chen, C. F. Chang, H. L. Tsay, and H. D. Yang, preprint.
14. D. A. Wright et al., to be published.
15. R. A. Fisher et al., to be published.
16. J. P. Emerson et al., to be published.
17. Dos as determined in subsequent fits, except, possibly, for T≤2 K and low-H.
18. K. A. Moler et al., Phys. Rev. B55, 3954 (1997).
19. A. Junod, in A. V. Narlikar, ed. Studies of High Temperature Superconductors, Vol. 19 (Nova Science Publishers, New York, 1996), p. 1.
20. N. E. Phillips et al., Jpn. J. Appl. Phys. 26 (Suppl. 26-3), 1115 (1986).
21. N. E. Phillips et al., Phys. Rev. Lett. 65, 357 (1990);
22. N. E. Phillips et al., J. Superconduct. 7, 251 (1994).
23. P. A. Lee, private communication.