Krein Regularization of λϕ^4

Abstract

We calculate the four-point function in λϕ^4 theory by using Krein regularization and compare our result, which is finite, with the usual result in λϕ^4 theory. The effective coupling constant (λ_μ) is also calculated in this method.

References in corpus (3)

• Quantum Gravity at a Lifshitz Point
• Casimir Effect In Krein Space Quantization
• One-loop approximation of Moller scattering in Krein-space quantization