Fundamentals of Analysis in Physics

Author(s): Masatoshi Kajita

DOI: 10.2174/9789815049107122010007

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Fundamentals of Statistical Mechanics Using the Boltzmann Distribution

Pp: 112-133 (22)

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Abstract

SHS investigation development is considered from the geographical and historical viewpoint. 3 stages are described. Within Stage 1 the work was carried out in the Department of the Institute of Chemical Physics in Chernogolovka where the scientific discovery had been made. At Stage 2 the interest to SHS arose in different cities and towns of the former USSR. Within Stage 3 SHS entered the international scene. Now SHS processes and products are being studied in more than 50 countries.

Abstract

The objective of this chapter is an examination of the energy distribution
of matter for the highest probability, considering that only phenomena with the
highest possibility are possible for a large number of masses (atoms or molecules in
a macroscopic object). The thermodynamic temperature T is the parameter for the
broadening of the energy distribution and the population in a state with an energy of
E is proportional to Ω exp(-E⁄(kBT)), where Ω is the number of states and kB is the
Boltzmann constant. The average energy and specific heat are discussed using the
Boltzmann distribution. The relationship between the gas pressure, volume, and
temperature (ideal gas law) is obtained from the average of the one-dimensional
kinetic energy. The work efficiency of the Carnot engine, using gas pressure, is also
discussed.

Keywords:

Adiabatic expansion, Bose-Einstein condensation, Carnot cycle, Entropy, Fermi degeneracy, Free energy, Ideal gas law, Specific heat, Temperature, Thermal energy, Thermal equilibrium, Vapor pressure.

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