We evaluate the thermal corrections to the generalized Gaussian effective potential. We carry out the calculations df the lowest-order corrections in the case of self-interacting scalar fields in one and two spatial dimensions, and study the restoration of the symmetry at high temperatures
A well known feature of thermal field theories is the breakdown of the standard perturbative expansi...
Assuming that tunnel effect between two degenerate bare minima occurs, in a scalar field theory at f...
We show that the one-loop effective action at finite temperature for a scalar field with quartic int...
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...
This thesis investigates some of the properties of a variational approximation to scalar field theor...
We study a generalization of the Gaussian effective potential for self-interacting scalar fields in ...
The Gaussian effective potential (GEP), a non-perturbative approach to study quantum field theory, i...
The standard model effective potential is calculated at finite temperature to order g"4, #lambd...
The standard model effective potential is calculated at finite temperature to order g 4 , λ 2 and a ...
The finite-temperature effective potential of the O(N) linear sigma model is studied, with emphasis ...
publisher奈良We propose a simple and effective procedure to improve the finite temperature effective p...
The method of the effective action for the composite operators Φ2(x) and Φ4(x) is applied to the ter...
Scalar fields appear in many theories beyond the Standard Model of particle physics. In the early un...
The finite temperature one-loop effective potential for a scalar field defined on an ultrastatic spa...
A well known feature of thermal field theories is the breakdown of the standard perturbative expansi...
Assuming that tunnel effect between two degenerate bare minima occurs, in a scalar field theory at f...
We show that the one-loop effective action at finite temperature for a scalar field with quartic int...
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...
This thesis investigates some of the properties of a variational approximation to scalar field theor...
We study a generalization of the Gaussian effective potential for self-interacting scalar fields in ...
The Gaussian effective potential (GEP), a non-perturbative approach to study quantum field theory, i...
The standard model effective potential is calculated at finite temperature to order g"4, #lambd...
The standard model effective potential is calculated at finite temperature to order g 4 , λ 2 and a ...
The finite-temperature effective potential of the O(N) linear sigma model is studied, with emphasis ...
publisher奈良We propose a simple and effective procedure to improve the finite temperature effective p...
The method of the effective action for the composite operators Φ2(x) and Φ4(x) is applied to the ter...
Scalar fields appear in many theories beyond the Standard Model of particle physics. In the early un...
The finite temperature one-loop effective potential for a scalar field defined on an ultrastatic spa...
A well known feature of thermal field theories is the breakdown of the standard perturbative expansi...
Assuming that tunnel effect between two degenerate bare minima occurs, in a scalar field theory at f...
We show that the one-loop effective action at finite temperature for a scalar field with quartic int...
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