[PDF] classical scalar field theory

1 Classical scalar fields

where H(x) is the Hamiltonian density. Real scalar field and Klein-Gordon equation. We start with the simplest exam- ple of a field theory.

Classical nonrelativistic effective field theories for a real scalar field

19 nov. 2018 It is therefore plausible that the nonrelativistic reduction of the relativistic quantum field theory for a real scalar field ??x? gives a ...

Elements of Classical Field Theory C6 HT 2016 1 Classical Field

as the momentum components of the field configuration in the three space directions and they are of course also conserved. 1.4 Scalar Field Theories. In the 

Quantum Field Theory with Classical Sources - Linearized Quantum

19 juin 2018 Quantum Field Theory with Classical. Sources - Linearized Quantum. Gravity. Bo-Sture K. Skagerstam1a).

Physics Classical and Quantum Conformal Field Theory

Conformal field theory correlators from classical scalar field theory

15 juil. 1998 Conformal field theory correlators from classical scalar field theory on anti–de Sitter space. W. Mück* and K. S. Viswanathan†.

Renormalization of the classical massless scalar field theory with

For some quantum field theories some of the momentum integrals over intermediate states diverge. That leads to an infinite relation between the bare parameters 

Quantum Field Theory

Should we view the particle as fundamental with the electromagnetic field arising only in some classical limit from a collection of quantum photons? Or should 

On Classical Scalar Field Theories and the Relativistic Kepler Problem

Two versions of classical relativistic field theory corresponding to massless scalar exchange are compared. It is found that they lead to identical field 

Covariant canonical formulations of classical field theories

25 oct. 2021 C Poisson brackets and symplectic forms in classical field theory ... the rigorous perturbative quantum field theory approach [23].