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RKKY Interaction in Graphene at Finite Temperature

1
Jack and Pearl Resnick Institute, Department of Physics, Bar-Ilan University, Ramat-Gan 52900, Israel
2
Max-Planck-Institut fur Physik komplexer Systeme, 01187 Dresden, Germany
Received: 27 February 2019 / Revised: 22 March 2019 / Accepted: 26 March 2019 / Published: 31 March 2019
PDF [222 KB, uploaded 31 March 2019]
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Abstract

In our publication from eight years ago (Kogan, E. 2011, vol. 84, p. 115119), we calculated Ruderman-Kittel-Kasuya-Yosida (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.
Keywords: graphene; RKKY interaction; Matsubara Green’s functions graphene; RKKY interaction; Matsubara Green’s functions
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Kogan, E. RKKY Interaction in Graphene at Finite Temperature. C 2019, 5, 14.

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