Abstract

Nonlinear response theory at finite temperature is studied in the framework of thermo field dynamics. With the operator algebra in thermo field dynamics, the retarded formulation of response theory can be put in a simple time ordered formulation, leading to the usual Feynman diagram method.

Full Text
Paper version not known

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call