The Quark and Gluon Condensates and Low-Energy QCD Theorems in a Magnetic Field
N.O. Agasian, I.A. Shushpanov (ITEP, Moscow)
TL;DR
This paper extends low-energy QCD theorems to include a constant magnetic field, deriving two-loop vacuum energy and condensate functions within chiral perturbation theory.
Contribution
It provides a novel generalization of QCD theorems in magnetic fields and calculates condensates as functions of the magnetic field strength.
Findings
Derived two-loop vacuum energy density in magnetic field
Expressed quark and gluon condensates as functions of magnetic field
Extended low-energy QCD theorems to magnetic field context
Abstract
The low-energy QCD theorems are generalized in the presence of a constant magnetic field H. Two-loop approximation for the vacuum energy density in the framework of the chiral perturbation theory was obtained and the quark and gluon condensates were found as the functions of H.
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