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hep-th2024
One Loop Thermal Effective Action
Joydeep Chakrabortty, Subhendra Mohanty
We compute the one loop effective action for a Quantum Field Theory at finite temperature, in the presence of background gauge fields, employing the Heat-Kernel method. This method…
hep-th2024
Renormalization of Scalar and Fermion Interacting Field Theory for Arbitrary Loop: Heat-Kernel Approach
Upalaparna Banerjee, Joydeep Chakrabortty, Kaanapuli Ramkumar
We outline a proposal, based on the Heat-Kernel method, to compute 1PI effective action up to any loop order for quantum field theory with scalar and fermion fields. We algebraical…