نتایج جستجو برای: finite temperature field theory

تعداد نتایج: 2032963  

Journal: :Progress of Theoretical Physics 1971

Journal: :journal of solid mechanics 0
s.m said department of mathematics, faculty of science and arts, al-mithnab, qassim university, p.o. box 931, buridah 51931, al-mithnab, kingdom of saudi arabia m.i.a othman department of mathematics, faculty of science, taif university 888, saudi arabia

the three-phase-lag model and green–naghdi theory without energy dissipation are employed to study the deformation of a two-temperature fiber-reinforced medium with an internal heat source that is moving with a constant speed under a hydrostatic initial stress and the gravity field.  the modulus of the elasticity is given as a linear function of the reference temperature. the exact expressions ...

2008
Arnab Kundu

Using a ten dimensional dual string background, we study aspects of the physics of finite temperature large N four dimensional SU(N) gauge theory, focusing on the dynamics of fundamental quarks in the presence of a background magnetic field. At vanishing temperature and magnetic field, the theory has N = 2 supersymmetry, and the quarks are in hypermultiplet representations. In a previous study,...

2017
Snigdha Ghosh Arghya Mukherjee Mahatsab Mandal Sourav Sarkar Pradip Roy

Taking an effective ρππ interaction, the self energy of ρ at finite temperature in an arbitrary external magnetic field is calculated using the real time formalism of thermal field theory. The effect of temperature and magnetic field on the in-medium spectral functions are studied. The effective mass and dispersion relations are evaluated from the pole of the complete ρ propagator. We find sign...

1995
James V. Steele Ajay Subramanian Ismail Zahed

The general correlations between massless fermions are calculated in the Schwinger model at arbitrary temperature. The zero temperature calculations on the plane are reviewed and clarified. Then the finite temperature fermionic Green's function is computed and the results on the torus are compared to those on the plane. It is concluded that a simpler way to calculate the finite temperature resu...

2005
M. C. B. Abdalla

We discuss the matching of the BPS part of the spectrum for (super)membrane, which gives the possibility of getting membrane’s results via string calculations. In the small coupling limit of M–theory the entropy of the system coincides with the standard entropy of type IIB string theory (including the logarithmic correction term). The thermodynamic behavior at large coupling constant is compute...

Journal: :Journal of High Energy Physics 2022

A bstract gauge-invariant framework for computing bubble nucleation rates at finite temperature in the presence of radiative barriers was presented and advocated model-building phenomenological studies an accompanying article [1]. Here, we detail this computation using Abelian Higgs Model as illustrative example. Subsequently, recast approach dimensionally-reduced high-temperature effective fie...

2006
Benjamin DOYON Rudolf Peierls

We review the concept of finite-temperature form factor that was introduced recently by the author in the context of the Majorana theory. Finite-temperature form factors can be used to obtain spectral decompositions of finite-temperature correlation functions in a way that mimics the form-factor expansion of the zero temperature case. We develop the concept in the general factorised scattering ...

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