scholarly journals Relativistic Thermodynamics: A Modern 4-Vector Approach

2011 ◽  
Vol 2011 ◽  
pp. 1-18 ◽  
Author(s):  
J. Güémez
Keyword(s):  
Ideal Gas ◽  
Covariant Formulation ◽  
Isothermal Compression ◽  
Covariant Formalism ◽  
Electromagnetic Forces ◽  
Classical Physics ◽  
Einstein's Equation ◽  
Relativistic Thermodynamics ◽  
Relativistic Framework ◽  
Vector Approach

Using the Minkowski relativistic 4-vector formalism, based on Einstein's equation, and the relativistic thermodynamics asynchronous formulation (Grøn (1973)), the isothermal compression of an ideal gas is analyzed, considering an electromagnetic origin for forces applied to it. This treatment is similar to the description previously developed by Van Kampen (van Kampen (1969)) and Hamity (Hamity (1969)). In this relativistic framework Mechanics and Thermodynamics merge in the first law of relativistic thermodynamics expressed, using 4-vector notation, such as ΔUμ  =  Wμ  +  Qμ, in Lorentz covariant formulation, which, with the covariant formalism for electromagnetic forces, constitutes a complete Lorentz covariant formulation for classical physics.

scholarly journals Galilean electrodynamics: covariant formulation and Lagrangian

2021 ◽  
Vol 2021 (9) ◽  
Author(s):  
Aditya Mehra ◽  
Yaman Sanghavi
Keyword(s):  
Energy Momentum Tensor ◽  
Momentum Tensor ◽  
Conformal Algebra ◽  
Covariant Formulation ◽  
Covariant Formalism

Abstract In this paper, we construct a single Lagrangian for both limits of Galilean electrodynamics. The framework relies on a covariant formalism used in describing Galilean geometry. We write down the Galilean conformal algebra and its representation in this formalism. We also show that the Lagrangian is invariant under the Galilean conformal algebra in d = 4 and calculate the energy-momentum tensor.

Introduction

2019 ◽  
pp. 1-8
Author(s):  
Robert H. Swendsen
Keyword(s):  
Statistical Mechanics ◽  
Quantum System ◽  
Quantum Statistical Mechanics ◽  
Ideal Gas ◽  
Statistical Properties ◽  
Classical Physics ◽  
Classical Statistical Mechanics ◽  
System P ◽  
Quantum Statistical ◽  
Many Particles

The introduction gives the plan of the book and guides the reader to the main points. The book is divided into four parts: Part I provides a complete derivation of the entropy of the ideal gas, a system consisting of many particles, using only the concepts of classical physics. Part II develops the field of Thermodynamics, based on postulates (fundamental axioms) describing properties of the entropy. Part III deals with classical Statistical Mechanics, the general properties of a system consisting of many particles. Part IV, Quantum Statistical Mechanics, describes and explains in great detail the statistical properties of a quantum system.

Harmonic Electromagnetic Forces in Induction Motors

2009 ◽  
Vol 129 (4) ◽  
pp. 375-381 ◽  
Author(s):  
Fuminori Ishibashi ◽  
Makoto Matsushita ◽  
Shinichi Noda
Keyword(s):  
Induction Motors ◽  
Electromagnetic Forces

Ideal–Gas Thermochemical Properties for Alkanolamine and Related Species Involved in Carbon Capture Applications

2020 ◽  
Author(s):  
Nayyereh hatefi ◽  
William Smith
Keyword(s):  
Heat Capacity ◽  
Electronic Structure ◽  
Co2 Capture ◽  
Carbon Capture ◽  
Ideal Gas ◽  
Thermochemical Properties ◽  
Temperature Range ◽  
Comparison Results ◽  
Electronic Structure Methods ◽  
Protonated Forms

<div>Ideal{gas thermochemical properties (enthalpy, entropy, Gibbs energy, and heat capacity, Cp) of 49 alkanolamines potentially suitable for CO2 capture applications and their carbamate and protonated forms were calculated using two high{order electronic structure methods, G4 and G3B3 (or G3//B3LYP). We also calculate for comparison results from the commonly used B3LYP/aug-cc-pVTZ method. This data is useful for the construction of molecular{based thermodynamic models of CO2 capture processes involving these species. The Cp data for each species over the temperature range 200 K{1500 K is presented as functions of temperature in the form of NASA seven-term polynomial expressions, permitting the set of thermochemical properties to be calculated over this temperature range. The accuracy of the G3B3 and G4 results is estimated to be 1 kcal/mol and the B3LYP/aug-cc-pVTZ results are of nferior quality..</div>

Support vector approach using data augmentation with copula function applied to load forecasting

2019 ◽  
Author(s):  
Gabriel Ribeiro ◽  
Marcos Yamasaki ◽  
Helon Vicente Hultmann Ayala ◽  
Leandro Coelho ◽  
Viviana Mariani
Keyword(s):  
Data Augmentation ◽  
Load Forecasting ◽  
Copula Function ◽  
Support Vector ◽  
Using Data ◽  
Vector Approach

The Essence of Quantum Computing

2018 ◽  
Author(s):  
Rajendra K. Bera
Keyword(s):  
Hilbert Space ◽  
Quantum Computing ◽  
Quantum Physics ◽  
Quantum Algorithms ◽  
Quantum Computers ◽  
Turing Machines ◽  
Classical Physics ◽  
Core Set ◽  
The World ◽  
Subordinate Role

It now appears that quantum computers are poised to enter the world of computing and establish its dominance, especially, in the cloud. Turing machines (classical computers) tied to the laws of classical physics will not vanish from our lives but begin to play a subordinate role to quantum computers tied to the enigmatic laws of quantum physics that deal with such non-intuitive phenomena as superposition, entanglement, collapse of the wave function, and teleportation, all occurring in Hilbert space. The aim of this 3-part paper is to introduce the readers to a core set of quantum algorithms based on the postulates of quantum mechanics, and reveal the amazing power of quantum computing.

Meaning

2017 ◽  
Author(s):  
Richard Healey
Keyword(s):  
Quantum Theory ◽  
Physical Object ◽  
Quantum Fields ◽  
Conceptual Content ◽  
Classical Physics ◽  
Physical Context

Novel quantum concepts acquire content not by representing new beables but through material-inferential relations between claims about them and other claims. Acceptance of quantum theory modifies other concepts in accordance with a pragmatist inferentialist account of how claims acquire content. Quantum theory itself introduces no new beables, but accepting it affects the content of claims about classical magnitudes and other beables unknown to classical physics: the content of a magnitude claim about a physical object is a function of its physical context in a way that eludes standard pragmatics but may be modeled by decoherence. Leggett’s proposed test of macro-realism illustrates this mutation of conceptual content. Quantum fields are not beables but assumables of a quantum theory we use to make claims about particles and non-quantum fields whose denotational content may also be certified by models of decoherence.

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