Concept of Macrostate and Microstate in the Classical Statistical Mechanics: A Review

S.K. Parida¹

Section:Review Paper, Product Type: Journal-Paper
Vol.11 , Issue.4 , pp.46-49, Aug-2023

Online published on Aug 31, 2023

Copyright © S.K. Parida . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
Statistical mechanics is the branch of theoretical physics studying the microscopic properties of a system in equilibrium. When a system consists of many particles and the different methods employed are to get a macroscopic property of the system without taking individual motion into account, the probability is required. A macrostate refers to the bigger physical world whereas a microstate connects to the physical quantities in smaller dimensions. The impact of the terms has a big role in statistical mechanics to derive and explain the different physical quantities. The pressure, volume, temperature, etc. are examples of the macrostate. The different possible ways in which the system can be achieved in a particular macrostate introduce the term called microstate. A microstate of a thermodynamical system is found by defining the states of all of its constituent elements. The subject of statistical mechanics works as a bridge between quantum mechanics (micro-world) and thermodynamics (macro-world). So; the understanding of macrostate and microstate enables us to see and interpret the physical world.

Key-Words / Index Term :
Statistical mechanics, quantum mechanics, microstate, macrostate, and thermodynamics

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