Gaussian effective potential and Coleman's normal-ordering prescription: the functional integral formalism

DOI10.1088/0305-4470/35/2/315zbMath1041.81081arXivhep-th/0104205OpenAlexW2004882033MaRDI QIDQ4465550

Wen-Fa Lu, Chul Koo Kim

Publication date: 9 June 2004

Published in: Journal of Physics A: Mathematical and General (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/hep-th/0104205

Mathematics Subject Classification ID

Path integrals in quantum mechanics (81S40)

Related Items (6)

Critical exponents from the resummed effective potential of the \(({\frac{g}{4}}\phi^{4}-j\phi)_{1+1}\) scalar field theory ⋮ Sine-Gordon expectation values of exponential fields with variational perturbation theory ⋮ Sine-Gordon effective potential beyond Gaussian approximation ⋮ Non-perturbative calculations for the effective potential of the PT symmetric and non-Hermitian (\(-g\varphi ^{4}\)) field theoretical model ⋮ A NONPERTURBATIVE CALCULATION FOR THE EFFECTIVE POTENTIAL OF THE $\left(\frac{g}{4}\phi^{4}-J\phi\right)_{1+1}$ SCALAR FIELD THEORY USING THE OSCILLATOR REPRESENTATION METHOD WITH BOREL RESUMMATION ⋮ Optimized Rayleigh-Schrödinger expansion of the effective potential

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