Finite temperature
Effective action for QED in 2+1 dimensions at finite temperature
... at finite temperature was obtained by means of the derivative expansion @36# as well as other techniques ...at finite temperature @39#, it was found to depend smoothly on the ...
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Bosonic D-branes at finite temperature with an external field
... at finite temperature since that is not the basic object in thermo field dynamics, which only deals with a Lagrangian that depends on the fields at T50 of the form L2L ˜ , where the first term contains ...
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Convective cells of internal gravity waves in the earth's atmosphere with finite temperature gradient
... and temperature vary in height according to the exponential ...cal temperature gradient is taken into account, and the vortex structures have been studied not only in the stably stratified atmosphere, but ...
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Applicability of the linear delta expansion for the lambda phi(4) field theory at finite temperature in the symmetric and broken phases
... By studying the behavior of the pressure and contrasting the results obtained with perturbation theory and the 2PI method, we have shown that the LDE leads to convergent results already [r] ...
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ANOMALIES IN CURVED SPACETIME AT FINITE TEMPERATURE
... In previous attempts to calculate the chiral Schwinger model in curved spacetime [21], the conclusions about the anomalous divergence for the axial-vector current and the dynamically gen[r] ...
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Rolls of the internal gravity waves in the Earth's atmosphere
... high-frequency finite-amplitude IGWs has been investigated recently by Horton et ...the finite temperature gradient can substantially modify the condition for the existence of vortex-type structures ...
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Factorization and criticality in the anisotropic XY chain via correlations
... at finite temperatures has also attracted much attention due to the contrast of the obtained results with respect to the ones obtained for entanglement ...at finite temperature, it is possible to ...
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Braz. J. Phys. vol.37 número1B
... We study the N-component (2+1)-dimensional Gross-Neveu model bounded between two parallel planes sep- arated by a distance L at finite temperature (T ). We obtain a closed expression for the large-N ...
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Braz. J. Phys. vol.36 número4A
... At finite temperature, our result is finite [36] but does not agree with other results presented in the literature ...zero temperature. On the other hand, at high temperature our result ...
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Braz. J. Phys. vol.34 número2A
... a finite-temperature phase ...no finite-temperature phase transition the system shows a slow power- law change of the effective critical temperature of a finite system as a ...
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Braz. J. Phys. vol.37 número1B
... We would thank Silvio Sorella and the organizers of “In- frared QCD in Rio”, where this talk was presented, for the very warm atmosphere during the workshop. We thank also Michael Teper and Andrei Starinets for very ...
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Braz. J. Phys. vol.37 número1B
... The development of reliable analytical non-perturbative techniques to treat problems related to phase transitions in quantum chromodynamics (QCD) represents an important do- main of research within quantum field ...
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Braz. J. Phys. vol.36 número4A
... any finite temperature Feynman graph is the most ...the finite temperature propagator in thermofield dynamics only has a matrix factor- ization (unlike the scalar factorization for the closed ...
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Braz. J. Phys. vol.38 número1
... κ + √ κ − 1) sinh ωβ 2 ( √ κ − √ κ − 1) with energy spectrum given by Eq. (9). (Note that the result of above summation derived in [8] is false since the arguments of the sinh functions must be multiplied by the factor ...
3
J. Braz. Chem. Soc. vol.19 número2
... at finite temperature, of the formation of local magnetic moments at a Ta impurity diluted in intermetallic Laves phases compounds XFe 2 (X = Y, Gd, ...approximation. Temperature dependent pressure ...
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Charmonium and D mesons in hadronic matter
... prescribed temperature dependence for the confining potential - for a recent review and a list of references, see ...prescribed temperature dependence for the potential is mo- tivated from lattice results ...
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NUMERICAL MODEL TO ASSESS THE FIRE BEHAVIOUR OF CELLULAR WOOD SLABS WITH DRILLINGS
... The numerical results are presented for the 3D model, with comparison between the 2D finite element (Fonseca et al, 2013) and the experimental tests (Frangi, 2004). The charred area represented has no effective ...
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Character expansiveness in finite groups
... a finite group G is character expansive if for any complex character α and irreducible character χ of G the character αχ has at least as many irreducible constituents, counting without multiplicity, as α ...
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FINITE ELEMENT MODELLING OF THERMO-ELASTOPLASTIC BEHAVIOUR OF HOT-ROLLED STEEL PROFILES SUBMITTED TO FIRE
... Neglecting the heat generated during the deformation, the thermal and the mechanical problems are uncoupled. So the technique involves concurrently solving an uncoupled set of equations, the transient heat conduction ...
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Lat. Am. j. solids struct. vol.13 número7
... sandwich finite element. The simple equivalent single layer finite element employs a cubic poly- nomial approximation for transverse displacement and meridional ...
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