We study a generalization of the Gaussian effective potential for self-interacting scalar fields in one and two spatial dimensions. We compute the two-loop corrections and discuss the renormalization of the generalized Gaussian effective potential
The present work concerns nonperturbative variational studies of the effective potential beyond the ...
4 pages, 1 figure. Minor changes, to appear in PRLInternational audienceWe study the quantum theory ...
We consider the gravitational coupling of a scalar field, in a reformulation of General Relativity e...
We study a generalization of the Gaussian effective potential for self-interacting scalar fields in ...
We discuss the finite temperature generalized Gaussian effective potential. We put out a very simple...
The perturbation theory with a variational basis is constructed and analyzed. The generalized Gaussi...
We evaluate the thermal corrections to the generalized Gaussian effective potential. We carry out th...
This thesis investigates some of the properties of a variational approximation to scalar field theor...
We formulate a systematic, nonperturbative expansion for the effective potential of $\lambda\phi\sp4...
The Gaussian effective potential (GEP), a non-perturbative approach to study quantum field theory, i...
We consider derivation of the effective potential for a scalar field in curved space-time within the...
We have extended the variational perturbative theory based on the back ground field method to includ...
The Gaussian Effective Potential (GEP) is shown to be a useful variational tool for the study of the...
We present the renormalisation group analysis of O(N) invariant scalar field theory in the local pot...
We develop the superfield approach to the effective potential in three dimensions and calculate the ...
The present work concerns nonperturbative variational studies of the effective potential beyond the ...
4 pages, 1 figure. Minor changes, to appear in PRLInternational audienceWe study the quantum theory ...
We consider the gravitational coupling of a scalar field, in a reformulation of General Relativity e...
We study a generalization of the Gaussian effective potential for self-interacting scalar fields in ...
We discuss the finite temperature generalized Gaussian effective potential. We put out a very simple...
The perturbation theory with a variational basis is constructed and analyzed. The generalized Gaussi...
We evaluate the thermal corrections to the generalized Gaussian effective potential. We carry out th...
This thesis investigates some of the properties of a variational approximation to scalar field theor...
We formulate a systematic, nonperturbative expansion for the effective potential of $\lambda\phi\sp4...
The Gaussian effective potential (GEP), a non-perturbative approach to study quantum field theory, i...
We consider derivation of the effective potential for a scalar field in curved space-time within the...
We have extended the variational perturbative theory based on the back ground field method to includ...
The Gaussian Effective Potential (GEP) is shown to be a useful variational tool for the study of the...
We present the renormalisation group analysis of O(N) invariant scalar field theory in the local pot...
We develop the superfield approach to the effective potential in three dimensions and calculate the ...
The present work concerns nonperturbative variational studies of the effective potential beyond the ...
4 pages, 1 figure. Minor changes, to appear in PRLInternational audienceWe study the quantum theory ...
We consider the gravitational coupling of a scalar field, in a reformulation of General Relativity e...
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