RKKY Interaction in Graphene at Finite Temperature

Kogan, Eugene

doi:10.1088/2399-6528/aad484

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RKKY Interaction in Graphene at Finite Temperature

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Kogan, Eugene
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Kogan, E. (2019). RKKY Interaction in Graphene at Finite Temperature. Journal of physics communications, 2(8): 085001. doi:10.1088/2399-6528/aad484.

Cite as: https://hdl.handle.net/21.11116/0000-0009-1385-B

Abstract

In our publication from 8 years ago (Phys. Rev. B {\bf 84}, 115119 (2011)) we calculated RKKY interaction between two magnetic impurities adsorbed on graphene at zero temperature. We show in this short paper that the approach based on Matsubara formalism and perturbation theory for the thermodynamic potential in the imaginary time and coordinate representation which was used then, can be easily generalized, and calculate RKKY interaction between the magnetic impurities at finite temperature.