First principles quantization of a non-conservative scalar field
Abstract
Abstract We present the first-principles quantization of a damped scalar field within the framework of classical action principle of non-conservative systems using doubled dynamical variables. We consider a non-conservative potential term constructed to describe a linear damping of the scalar field for quantization using canonical and path-integral formalisms, and derive the two-point Green’s function along with the spectral function, which are consistent with known results from the well-known in-in formalism.
Fields of Study & Subjects
Quantum and Classical Electrodynamics
Black Holes and Theoretical Physics
Cosmology and Gravitation Theories
Publication details
- Journal / source
- The European Physical Journal C
- Volume
- 86
- Issue
- 1
- Publication date
- 20 January 2026
- Language
- EN