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Temperature dependence of critical currents of two-gap superconductors

  • H. Şahin (a1) and I. N. Askerzade (a2)

Abstract

In this paper, we consider the two-gap Ginzburg-Landau (G-L) free energy functional including the interactions, and obtain a very simple and explicit formula which presents the relation between the critical current density and temperature. The result shows that the temperature dependence of critical current density of a two-gap superconductor is of the form J c ∝ (T c *T)1/2 at low temperatures and J c ∝ (T c *T)3/2 near the critical temperature. Our critical current density expression is in accord with the previous theoretical work and experimental data.

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[1] Kortus, J., Mazin, I.I., Belashchenko, K.D., Antropov, V.P., Boyer, L.L., Phys. Rev. Lett. 87, 4656 (2001)
[2] Liu, A., Mazin, I.I., Kortus, J., Phys. Rev. Lett. 87, 087005 (2001)
[3] Chen, X.K., Konstantinovich, M.J., Irwin, J.C., Lawrie, D.D., Frank, J.P., Phys. Rev. Lett. 87, 157002 (2001)
[4] Giublio, H., Roditchev, D., Sacks, W., Lamy, R., Thanh, D.X., Kleins, J., Miraglia, S., Fruchart, D., Markus, J., Monod, P., Phys. Rev. Lett. 87, 177008 (2001)
[5] Bouquet, F., Fisher, R.A., Phillips, N.E., Hinks, D.G., Jorgensen, J.D., Phys. Rev. Lett. 87, 047001 (2001)
[6] Heinecke, M., Winzer, K., Z. Phys. B 98, 147 (1995)
[7] Yokoya, T. et al., Science 294, 2518 (2001)
[8] Freudenberger, J. et al., Physica C 306, 1 (1998)
[9] Nohara, M. et al., J. Phys. Soc. Jpn 66, 1888 (1997)
[10] Muller, K.H. et al., J. Alloys Compd. 322, L10 (2001)
[11] S. Bud_ko et al., Phys. Rev. B 63, 220503 (R) (2001)
[12] Shulga, S.V., Drechsler, S.-L., Muller, K.-H., Fuchs, G., Winzer, K., Heinecke, M., Krug, K., Phys. Rev. Lett. 80, 1730 (1998)
[13] S.V. Shulga, S.-L. Drechsler, H. Echrig, H. Rosner, W. Pickett, cond-mat 0103154 (2001)
[14] Suhl, H., Mattias, B.T., Walker, L.R., Phys. Rev. Lett. 3, 552 (1959)
[15] Moskalenko, V.A., Fiz. Met. Met. 4, 503 (1959)
[16] Kresin, V.Z., Wolf, S.A., Phys. Rev. 51, 1229 (1995)
[17] Doh, H., Sigrist, M., Chao, B.K., Lee, S.I., Phys. Rev. Lett. 85, 5350 (1999)
[18] Askerzade, I.N., Gencer, A., Güçlü, N., Supercond. Sci. Tech. 15, L13 (2002)
[19] Askerzade, I.N., Gencer, A., Güçlü, N., A. Kilic, Supercond. Sci. Tech. 15, L17 (2002)
[20] Askerzade, I.N., Gencer, A., J. Phys. Soc. Jpn 71, 1637 (2002)
[21] Buzea, C., Yamashita, T., Supercond. Sci. Tech. 14, R115 (2001)
[22] Kunchur, M.N., Lee, S.I., Kang, W.N., Phys. Rev. B 65, 064516 (2003)
[23] Kunchur, M.N., J. Phys.-Cond. Matter 16, R1183 (2004)
[24] Hao, Z., Clem, J.R., Phys. Rev. B 46, 5853 (1992)
[25] Tachiki, M., Takahashi, S., Solid State Commun. 72, 1083 (1989)
[26] Kes, P.H. et al., Phys. Rev. Lett. 46, 1063 (1990)
[27] Dhalle, M., Toulemonde, P., Beneduce, C., Musolino, N., Decroux, M., Flukiger, R., Physica C 363, 155 (2001)
[28] K.H.P. Kim, W.N. Kang, M.S. Kim, C.U. Jung, H.J. Kim, E.M. Choi, M.S. Park, S.I. Lee, cond-mat 0103176 (2001)
[29] Ginzburg, V.L., Landau, L.D., Zh. Eksperim. I. Teor. Fiz. 20, 1064 (1950)
[30] Gorkov, L.P., Zh. Eksperim. I. Teor. Fiz. 36, 1918 (1959)
[31] Betouras, J.J., Ivanov, V.A., Peeters, F.M., Eur. Phys. J. B 31, 349 (2003)
[32] Tanaka, Y., Phys. Rev. Lett. 88, 017002 (2002)
[33] Affleck, I. et al., Phys. Rev. B 55, R704 (1997)
[34] Babaev, E., Phys. Rev. Lett. 89, 067001 (2002)
[35] S.C. Wimbush, L. Schultz, B. Holzapfel, Physica C 388, 389, 191 (2003)
[36] M. Tinkham, Introduction to Superconductivity (McGraw-Hill, New York, 1996), p. 63
[37] Askerzade, I.N., Physica C 397, 99 (2003)
[38] Askerzade, I.N., JETP Lett+ 81, 583 (2005)
[39] S.P. Kruchinin, H. Nagao, Phys. Part. Nuclei 36, S128 Suppl. 1 (2005)
[40] Heong-Jung, K., Sung-Ik, L., AAPPS Bull. 15, 37 (2005)
[41] M. Eisterer, M. Zehetmayer, H.W. Weber et al., Phys. Rev. B 72, 134525-1-6 (2005)

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Temperature dependence of critical currents of two-gap superconductors

  • H. Şahin (a1) and I. N. Askerzade (a2)

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