English
Related papers

Related papers: Blackbody radiation with compact and non-compact e…

200 papers

The blackbody radiation is analyzed in universes with $D$ spatial dimensions. With the classical electrodynamics suited to the universe in focus and recurring to the hyperspherical coordinates, it is shown that the spectral energy density…

Quantum Physics · Physics 2007-05-23 Tatiana R. Cardoso , Antonio S. de Castro

We analyze the problem of black body radiation in the presence of quantum gravity effects encoded in modified dispersion relations and in a model universe with large extra dimensions. In this context, modified form of Planck distribution,…

High Energy Physics - Theory · Physics 2018-01-09 Kourosh Nozari , S. F. Anvari , A. S. Sefiedgar

In this work we generalize the Stefan-Boltzmann and Wien's displacement laws for a $D$-dimensional manifold composed by 4 non-compact dimensions and $D-4$ compact dimensions, $ R^{1,3}$ x $T^{D-4} $. The electromagnetic field is assumed to…

High Energy Physics - Theory · Physics 2014-04-30 Ramaton Ramos , Henrique Boschi-Filho

We investigate the radiation of a blackbody in a cavity of finite size. For a given geometry, we use semiclassical techniques to obtain explicit expressions of the modified Planck's and Stefan-Boltzmann's blackbody radiation laws as a…

Quantum Physics · Physics 2009-11-13 Antonio Miguel Garcia-Garcia

We analyze the blackbody radiation problem in the presence of quantum gravity effects encoded in modified dispersion relations. The spectral radiance and the generalized Stefan-Boltzmann law are studied in this context. Furthermore, the…

General Relativity and Quantum Cosmology · Physics 2024-11-06 R. Turcati , I. Soares , S. B. Duarte

Nonlinear wave propagation in large extra spatial dimensions (on and above $d=2$) is investigated in the context of nonlinear electrodynamics theories that depend exclusively on the invariant…

High Energy Physics - Theory · Physics 2024-08-20 I. Soares , R. Turcati , S. B. Duarte

The general form of the Stefan-Boltzmann law for the energy density of black-body radiation is generalized to a spacetime with extra dimensions using standard kinetic and thermodynamic arguments. From statistical mechanics one obtains an…

Quantum Physics · Physics 2008-11-26 H. Alnes , F. Ravndal , I. K. Wehus

In the footsteps of our previous work \cite{RamatonBoschi} we generalize the Stefan-Boltzmann and Wien's displacement laws for the $ \textrm{AdS}_5 \times {\cal S}^5 $ spacetime, the background of the AdS/CFT correspondence foremost…

High Energy Physics - Theory · Physics 2015-04-28 Ramaton Ramos , Henrique Boschi-Filho

We have computed the black body radiation spectra in $\kappa-$Minkowski space-time, using the quantum mechanical picture of massless scalar particles as well as effective quantum field theory picture. The black body radiation depends on how…

High Energy Physics - Theory · Physics 2008-11-26 Hyeong-Chan Kim , Chaiho Rim , Jae Hyung Yee

Photons in blackbody radiation have non-zero interactions due to their couplings to virtual electron-positron pairs in the vacuum. For temperatures much less than the electron mass $m$ these effects can be described by an effective theory…

High Energy Physics - Phenomenology · Physics 2007-05-23 Finn Ravndal

The black-body radiation is considered in a theory with noncommutative electromagnetic fields; that is noncommutativity is introduced in field space, rather than in real space. A direct implication of the result on Cosmic Microwave…

High Energy Physics - Theory · Physics 2008-11-26 A. H. Fatollahi , M. Hajirahimi

In this paper, we investigate the effects of spatial curvature on blackbody radiation. By employing an analog model of general relativity, we replace the conventional straight-line harmonic oscillators used to model blackbody radiation with…

General Relativity and Quantum Cosmology · Physics 2025-01-07 Somayeh Kourkinejat , Ali Mahdifar , Ehsan Amooghorban

In this article we formally investigate the impact of twisted space-time on black-body radiation phenomena, i.e. we derive the $\theta$-deformed Planck distribution function as well as we perform its numerical integration to the…

High Energy Physics - Theory · Physics 2015-12-31 Marcin Daszkiewicz

The blackbody radiation problem within classical physics is reviewed. It is again suggested that conformal symmetry is the crucial unrecognized aspect, and that only scattering by classical electromagnetic systems will provide equilibrium…

Classical Physics · Physics 2010-05-17 Timothy H. Boyer

We study the blackbody properties and the thermodynamic equilibrium quantities of a photon gas in the framework of nonlinear electrodynamics. In this vein, we take into account the photon propagation in a uniform external magnetic field in…

Statistical Mechanics · Physics 2023-08-23 I. Soares , R. Turcati , S. B. Duarte

We study various equilibrium thermodynamic properties of blackbody radiation (i.e. a photon gas) with an ultraviolet energy cut-off. We find that the energy density, specific heat etc. follow usual acoustic phonon dynamics as have been well…

General Relativity and Quantum Cosmology · Physics 2017-09-14 Dheeraj Kumar Mishra , Nitin Chandra , Vinay Vaibhav

Starting from the knowledge of the four fundamental quantities length L, mass M, time T, absolute temperature $\theta$ and accepting the validity of Gauss's law in all dimensions, we generalize, by the theory of physical dimensions, the…

General Physics · Physics 2007-05-23 A. G. Agnese , M. La Camera , E. Recami

We study the black body radiation in cavities of different geometry with different boundary conditions, and the formulas of energy spectral densities in films and rods are obtained, also the approximate energy spectral densities in cubic…

Quantum Physics · Physics 2019-05-15 Zheng Zhang , Tong Zhao , Y. -H Xia , Hongshi Zong

Introductory physics and astronomy courses commonly use Wien's displacement law to explain the colors of blackbodies, including the Sun and other stars, in terms of their temperatures. We argue here that focusing on the peak of the…

Solar and Stellar Astrophysics · Physics 2015-05-30 Jonathan M. Marr , Francis P. Wilkin

Including loop corrections, black-body radiation in noncommutative space is anisotropic. A direct implication of possible space noncommutativity on the Cosmic Microwave Background map is argued.

Astrophysics · Physics 2009-11-11 Amir H. Fatollahi , Maryam Hajirahimi
‹ Prev 1 2 3 10 Next ›