On the implementation of the coexistence phase of antiferromagnetism and superconductivity in heavy-fermion intermetallides |
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| Authors: | V V Val’kov A O Zlotnikov |
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| Institution: | 1.Kirensky Institute of Physics, Siberian Branch,Russian Academy of Sciences,Krasnoyarsk,Russia;2.Siberian State Aerospace University,Krasnoyarsk,Russia |
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| Abstract: | The region of the state diagram in which the pressure-induced quantum phase transition occurs with the destruction of the
antiferromagnetic ordering and the appearance of the superconductivity has been described within the periodic Anderson model.
It has been shown that a microscopically homogeneous coexistence phase of antiferromagnetism and superconductivity is implemented
in the vicinity of the critical point, which was experimentally found in the heavy-fermion compound CeRhIn5. In this region, the pressure increase is accompanied by the experimentally observed strong growth of the effective fermion
mass. |
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