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TYBSc Semester VI

PHY 363 | Thermodynamics and Statistical Physics

T.Y.B.Sc. | Sem VI | Physics

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T.Y.B.Sc. | Sem VI | PHY 363
Thermodynamics and Statistical Physics

It’s a great pleasure for us to present this book Thermodynamics and Statistical Physics (PHY 363, Semester VI) for T.Y.B.Sc. Physics students of the Savitribai Phule Pune University, Pune. This book is written as per the revised syllabus of Savitribai Phule Pune University, Pune to be implemented from June 2021.
We have tried to explain the concepts & information in lucid language so that students could understand it easily. Many senior faculty members have inspired us to perform this duty. We feel it’s not a new creations but presentation in simple form for the better understanding of students.

1. Transport Phenomenon and Maxwell’s Relations 
1.1 Mean free path
1.2 Transport phenomenon
1.2.1 Viscosity
1.2.2 Thermal conductivity
1.2.3 Diffusion
1.3 Thermodynamic functions
1.3.1 Internal Energy
1.3.2 Enthalpy
1.3.3 Helmholtz function
1.3.4 Gibb’s function
1.4 Derivation of Maxwell Relations
1.5 Specific heat and latent heat equations
1.6 Joule Thomson effect (Throttling process)
1.7 Problems

2. Elementary Concepts of Statistics 
2.1 Probability
2.2 Distribution functions
2.3 Random Walk and Binomial distribution
2.4 Simple random walk problem
2.5 Calculation of mean values
2.6 Probability distribution for large-scale N
2.7 Gaussian probability distributions

3. Statistical Distribution of System of Particles and Ensembles 
3.1 Specification of the State of System
3.1.1 Macrostate and Microstate
3.1.2 Phase Space
3.2 Statistical Ensemble
3.3 Basic Postulates of Statistical Mechanics
3.4 Probability Calculations
3.5 Behaviour of Density of State of a System
3.6 Thermal, Mechanical and General Interactions
3.6.1 Thermal Interaction
3.6.2 Mechanical Interaction
3.6.3 General Interaction
3.7 Types of Statistical Ensemble
3.7.1 Microcanonical Ensemble (Isolated System)
3.7.2 Canonical Ensembles
3.8 Simple Application of Canonical Ensemble
3.8.1 Paramagnetism
3.8.2 Molecule in an Ideal Gas
3.9 Calculation of Mean Values in a Canonical Ensemble
3.9.1 Mean Energy Ē
3.9.2 Mean Square Energy (E2)
3.9.3 Mean Square Deviation or Dispersion (∆E2)

4. Introduction to Quantum Statistics 
4.1 Introduction
4.2 Quantum Distribution Function
4.3 Maxwell-Boltzmann Statistics
4.4 Bose-Einstein Statistics
4.4.1 Planck’s Radiation Law
4.5 Fermi-Dirac Statistics
4.6 Comparison of the distributions
4.7 Solved Problems


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