Hostname: page-component-78c5997874-s2hrs Total loading time: 0 Render date: 2024-11-10T08:49:00.821Z Has data issue: false hasContentIssue false

Observation of Leggett's Mode in Mg1-xAlxB2

Published online by Cambridge University Press:  01 February 2011

Yaroslav Ponomarev
Affiliation:
ponomarevy@mail.ru, Moscow State University, Low Temperature Physics and Superconductivity, Moscow State University, Vorob'evi Gori,, 119899, Moscow, Moscow, N/A, 119899, Russian Federation, 007-095-9393941
Svetoslav Kuzmichev
Affiliation:
ponomarevy@mail.ru, Moscow State University, Moscow, N/A, 119899, Russian Federation
Mikhail Mikheev
Affiliation:
ponomarevy@mail.ru, Moscow State University, Moscow, N/A, 119899, Russian Federation
Marina Sudakova
Affiliation:
ponomarevy@mail.ru, Moscow State University, Moscow, N/A, 119899, Russian Federation
Sergei Tchesnokov
Affiliation:
ponomarevy@mail.ru, Moscow State University, Moscow, N/A, 119899, Russian Federation
Boris Bulychev
Affiliation:
ponomarevy@mail.ru, Moscow State University, Moscow, N/A, 119899, Russian Federation
Evgenii Maksimov
Affiliation:
maksimov@lpi.ru, P.N. Lebedev Institute of Physics RAS, Moscow, N/A, 117924, Russian Federation
Sergei Krasnosvobodtsev
Affiliation:
maksimov@lpi.ru, P.N. Lebedev Institute of Physics RAS, Moscow, N/A, 117924, Russian Federation
Get access

Abstract

A detailed investigation of multiband superconductivity and Leggett's collective mode in the Mg1-xAlxB2 system was carried out using tunneling and Andreev spectroscopy

Type
Research Article
Copyright
Copyright © Materials Research Society 2006

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1 Liu, A.Y., Mazin, I.I. and Kortus, J., Phys. Rev. Lett. 87, 087005 (2001).Google Scholar
2 Choi, H.J., Roundy, D., Sun, H. et al. , Nature 418, 758 (2002).Google Scholar
3 Giubileo, F. et al. , Europhys. Lett. 58, 764 (2002).Google Scholar
4 Szabo, P. et al. , Phys. Rev. Lett. 87, 137005 (2001).Google Scholar
5 Gonnelli, R.S. et al. , Phys. Rev. Lett. 89, 247004 (2002).Google Scholar
6 Iavarone, M. et al. , Phys. Rev. Lett. 89, 187002 (2002).Google Scholar
7 Neaton, J.B., Perali, A., arXiv: cond-mat/0104098.Google Scholar
8 Ponomarev, Ya.G., Kuzmichev, S.A. et al. , arXiv: cond-mat/0303640.Google Scholar
9 Ponomarev, Ya.G., Kuzmichev, S.A. et al. , Sol. State Commun. 129, 85 (2004).Google Scholar
10 Ponomarev, Ya.G., Kuzmichev, S.A. et al. , JETP Letters 79, 484 (2004).Google Scholar
11 Leggett, A J., Prog. Theor. Phys. 36, 901 (1966).Google Scholar
12 Sharapov, S.G., Gusynin, V.P. and Beck, H., arXiv: cond-mat/0205131 vl.Google Scholar
13 Agterberg, D.F., Demler, E. and Janko, B., Phys. Rev. B 66, 214507 (2002).Google Scholar
14 Ponomarev, Ya.G., Tsokur, E.B., Sudakova, M.V. et al. , Solid State Comm. 111, 513 (1999).Google Scholar
15 Maksimov, E.G., Arseev, P.I., Maslova, N.S., Solid State Comm. 111, 391 (1999).Google Scholar
16 Nicol, E.J., Carbotte, J.P., arXiv: cond-mat/0409335 vl.Google Scholar
17 Golubov, A.A. et al. , J. Phys.: Condens. Matter 14, 1353 (2002).Google Scholar
18 Kortus, J., Dolgov, O.V., Kremer, R.K., Phys. Rev. Lett. 94, 027002–1 (2005).Google Scholar