Two-Point Correlators of Fermionic Currents in External Magnetic Field

Publisher: Edp Sciences

E-ISSN: 2100-014x|158|issue|07001-07001

ISSN: 2100-014x

Source: EPJ Web of Conference, Vol.158, Iss.issue, 2017-10, pp. : 07001-07001

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Abstract

We study the two-point correlation functions under an influence of the constant homogeneous magnetic field. In addition to the correlators of scalar, pseudoscalar, vector and axial-vector fermionic currents, we calculate the non-diagonal one including the tensor and pseudoscalar currents. The tensor current is a fermionic part of the Pauli Lagrangian relevant for the electromagnetic interaction of fermions through the anomalous magnetic moment. Its contribution to the photon polarization operator is briefly discussed.