Non-linear effect of uniaxial pressure on superconductivity in CeCoIn5

Details Non-linear effect of uniaxial pressure on superconductivity in CeCoIn5 Non-linear effect of uniaxial pressure on superconductivity in CeCoIn5

2010-10-22

arxiv.org/abs/1010.4653v2

Phys. Rev. B 83, 144510 (2011)

Physics

Condensed Matter

Superconductivity

6 pages, 4 figures

Scientific paper

10.1103/PhysRevB.83.144510

We study single-crystal CeCoIn5 with uniaxial pressure up to 3.97 kbar applied along the c-axis. We find a non-linear dependence of the superconducting transition temperature Tc on pressure, with a maximum close to 2 kbar. The transition also broadens significantly as pressure increases. We discuss the temperature dependence in terms of the general trend that Tc decreases in anisotropic heavy-fermion compounds as they move towards three-dimensional behavior.

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