Results 21 to 30 of about 1,904,481 (293)
INTRODUCTION TO THERMAL FIELD THEORY [PDF]
International Journal of Modern Physics A, 1993 This is a very basic introduction and short (and of course incomplete) overview of thermal field theory. In the first part, I introduce the thermal propagator at a very simple level and give the Feynman rules using the time-path contour method. In the second part, I give examples of these rules in scalar theory and discuss the origin of the thermal ...
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Thermalization in external magnetic field [PDF]
Journal of High Energy Physics, 2013 21 pages and 7 figures, JHEP published ...
Ali-Akbari, Mohammad, Ebrahim, Hajar
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Физика волновых процессов и радиотехнические системы, 2023 Background. Interest in the study of entangled states of systems of natural and artificial atoms (qubits) interacting with selected modes of microwave resonators is associated with their use as logic elements of quantum computers.
Eugene K. Bashkirov
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Derivation of the Planck Spectrum for Relativistic Classical Scalar Radiation from Thermal Equilibrium in an Accelerating Frame [PDF]
, 2010 The Planck spectrum of thermal scalar radiation is derived suggestively within classical physics by the use of an accelerating coordinate frame. The derivation has an analogue in Boltzmann's derivation of the Maxwell velocity distribution for thermal ...
B. F. Schutz +10 more
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Metals, 2023 Theoretical models based on solutions of the conduction heat transfer equation have been widely proposed to calculate the thermal fields generated during laser welding, revealing simplification benefits and limitations in the accuracy of the results.
Fabio Giudice, Andrea Sili
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Enhancing far-field thermal emission with thermal extraction [PDF]
CLEO: 2013, 2013 The control of thermal radiation is of great current importance for applications such as energy conversions and radiative cooling. Here we show theoretically that the thermal emission of a finite-size blackbody emitter can be enhanced in a thermal extraction scheme, where one places the emitter in optical contact with an extraction device consisting of
Zongfu, Yu +5 more
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Le Journal de Physique Colloques, 1989 Adiabatic potential energy curves have been calculated as a function of electric field strength for the ground state and an excited state of helium adsorbed on tungsten. Using a unitary transformation we construct the diabatic energy curves for neutral helium and its singly charged ion. We also obtained the coupling term between these states from which
Kreuser, H., Wang, L.
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A novel high resolution contactless technique for thermal field mapping and thermal conductivity determination: Two-Laser Raman Thermometry [PDF]
, 2013 We present a novel high resolution contactless technique for thermal conductivity determination and thermal field mapping based on creating a thermal distribution of phonons using a heating laser, while a second laser probes the local temperature through
B. Graczykowski +7 more
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Vacuum Polarization at Finite Temperature around a Magnetic Flux Cosmic String [PDF]
, 1995 We consider a general situation where a charged massive scalar field $\phi(x)$ at finite temperature interacts with a magnetic flux cosmic string. We determine a general expression for the Euclidean thermal Green's function of the massive scalar field ...
Davies P C W +10 more
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SLM lattice thermal fields acquired by wide-field thermal camera
Procedia CIRP, 2018 Abstract Selective laser melting (SLM) enables the fabrication of complex geometries, however the existing literature provides little experimental data on the effect of geometric complexity, such as lattice structures, on the in-situ temperature field.
Matthew McMillan +3 more
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