Some boundary effects in quantum field theory

Details Some boundary effects in quantum field theory Some boundary effects in quantum field theory

2004-09-14

arxiv.org/abs/hep-th/0409134v1

Phys.Rev. D70 (2004) 065018

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, Latex

Scientific paper

10.1103/PhysRevD.70.065018

We have constructed a quantum field theory in a finite box, with periodic boundary conditions, using the hypothesis that particles living in a finite box are created and/or annihilated by the creation and/or annihilation operators, respectively, of a quantum harmonic oscillator on a circle. An expression for the effective coupling constant is obtained showing explicitly its dependence on the dimension of the box.

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