FIGURE 3. The spin-lattice relaxation rate in the normal and superconducting states.

From the following article:

Unconventional superconductivity in PuCoGa5

N. J. Curro, T. Caldwell, E. D. Bauer, L. A. Morales, M. J. Graf, Y. Bang, A. V. Balatsky, J. D. Thompson and J. L. Sarrao

Nature 434, 622-625(31 March 2005)

doi:10.1038/nature03428

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a, T1-1 data for the 69Ga(1), as well as calculations for BCS isotropic s-wave (dashed), pure (dotted) and dirty (solid) d-wave gap functions. The solid line in the normal state shows T0.35. b, (T1T)-1/(T1T)-10 versus T/Tc for PuCoGa5, as well as for the unconventional superconductors YBa2Cu3O7 (Tc = 92 K; ref. 7) and CeCoIn5 (Tc = 2.3 K; ref. 27), and the s-wave superconductors Al (Tc = 1.178 K; ref. 8) and MgB2, (Tc = 39.2 K; ref. 11). The normalization constant (T1T)-10 is given by the value of (T1T)-1 at 1.25Tc (see Methods).

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