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In this study, recently introduced generalized distribution functions are summarized and by using one of these distribution functions, namely generalized Planck distribution, an alternative approach to the generalized Planck law for the…

Statistical Mechanics · Physics 2015-06-25 Ugur Tirnakli , Fevzi Buyukkilic , Dogan Demirhan

Methods for computing the integral of the Planck blackbody function over a finite spectral range, the so-called incomplete Planck integral, are necessary to perform multigroup radiative transfer calculations. We present a comparison, in…

Computational Physics · Physics 2025-03-13 Whit Lewis , Ryan G. McClarren

The probability distribution function for thermodynamics and econophysics is obtained by solving an equilibrium equation. This approach is different from the common one of optimizing the entropy of the system or obtaining the state of…

General Physics · Physics 2007-05-23 Diego Saa

We obtain the black body radiation formula of Planck by considering independent contributions of multiphoton states

Quantum Physics · Physics 2007-05-23 Luis J. Boya , Ian M. Duck , E. C. G. Sudarshan

Along the lines of nonextensive statistical mechanics, based on the entropy $S_q = k(1- \sum_i p_i^q)/(q-1) (S_1=-k \sum_i p_i \ln p_i)$, and Beck-Cohen superstatistics, we heuristically generalize Planck's statistical law for the…

Statistical Mechanics · Physics 2017-08-23 Andre M. C. Souza , Constantino Tsallis

Traditionally, the Planck constant $h$ makes its debut appearance in quantum physics textbooks in the context of the blackbody radiation law and subsequently as a fundamental ingredient of the physics of the photoelectric effect and the…

History and Philosophy of Physics · Physics 2026-03-05 Kostas Glampedakis

In this talk I will describe the deep influence Planck had on the development of statistical mechanics. At this end I will first outline the theoretical situation of statistical mechanics before Planck. I will then describe his main…

Statistical Mechanics · Physics 2007-05-23 Giorgio Parisi

Planck introduced his famous units of mass, length and time a hundred years ago. The many interesting facets of the Planck mass and length are explored. The Planck mass ubiquitously occurs in astrophysics, cosmology, quantum gravity, string…

General Relativity and Quantum Cosmology · Physics 2007-07-03 C. Sivaram

The object of this work is to give the key to answer whether or not there is another numerical method which is different from the equation proposed by Planck to predict blackbody radiation by frequency. Firstly, Maxwell distribution…

General Physics · Physics 2011-03-04 Liu Changshi

In this paper the Planck function is derived in the frequency domain using the method of oscillators. It is also presented in the wavelength domain and in the wave number domain. The latter is mainly used in spectroscopy for studying…

History and Philosophy of Physics · Physics 2009-11-12 Gerhard Kramm , Nicole Mölders

We derive Planck's radiation law in a uniformly accelerated frame expressed in Rindler coordinates. The black-body spectrum is time-dependent by its temperature and Planckian at each instantaneous time, but it is scaled by an emissivity…

General Relativity and Quantum Cosmology · Physics 2024-09-27 Seramika Ariwahjoedi , Apriadi Salim Adam , Hadyan Luthfan Prihadi , Freddy Permana Zen

The Planck constant ($\hbar$) plays a pivotal role in quantum physics. Historically, it has been proposed as postulate, part of a genius empirical relationship $E=\hbar \omega$ in order to explain the intensity spectrum of the blackbody…

Optics · Physics 2015-05-04 Real Tremblay , Nicolas Doyon , Claudine Ni Allen

Planck's law describes the radiation of black bodies. The study of its properties is of special interest, as black bodies are a good description for the behavior of many phenomena. In this work a new mathematical study of Planck's law is…

Instrumentation and Methods for Astrophysics · Physics 2012-02-10 F. J. Ballesteros

By applying fractional calculus to the equation proposed by M. Planck in 1900, we obtain a new blackbody radiation law described by a Mittag-Leffler (ML) function. We have analyzed NASA COBE data by means of a non-extensive formula with a…

Statistical Mechanics · Physics 2015-09-30 Minoru Biyajima , Takuya Mizoguchi , Naomichi Suzuki

It is found from textbooks that there are the different versions of the schematic diagram related to the Nernst equation, and consequently, it leads to some discussion related to the Nernst equation and the discovery of other meaningful…

Statistical Mechanics · Physics 2025-01-22 Xiaohang Chen , Shanhe Su , Yinghui Zhou , Jincan Chen

The dielectric crystal with the index of refraction n is inserted in the Planck blackbody. The spectral formula for photons in such dielectric medium is derived with the equation for the temperature of internal photons. The derived equation…

General Physics · Physics 2015-05-12 Miroslav Pardy

The spectral function for finite nuclei is computed within the framework of the Local Density Approximation, starting from nuclear matter spectral functions obtained with a realistic nucleon-nucleon interaction. The spectral function is…

Nuclear Theory · Physics 2008-11-26 D. Van Neck , A. E. L. Dieperink , E. Moya de Guerra

In this work we obtain Planck's blackbody spectrum from the thermal scalar radiation contained in a resonant cavity of volume V in the context of classical mechanics, which provides the classical zero-point electromagnetic radiation in…

Classical Physics · Physics 2019-07-30 J. Tapia , H. González , R. Rubiano

Recent years have seen dramatic progress in cosmology and particle astrophysics. So much so that anyone who dares to offer an overview would certainly risk him- or herself for being incomplete and biased at best, and even incorrect due to…

High Energy Physics - Phenomenology · Physics 2013-10-07 Pisin Chen

We review the derivation of Planck's Radiation Formula on the light of recent studies in its centenary. We discuss specially the issue of discreteness, Planck's opinion on his discovery, and the critical analysis on the contributions by…

History and Philosophy of Physics · Physics 2007-05-23 Luis J. Boya
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