Thermal physics

Thermal physics is the combined study of thermodynamics, statistical mechanics, and kinetic theory of gases. This umbrella-subject is typically designed for physics students and functions to provide a general introduction to each of three core heat-related subjects. Other authors, however, define thermal physics loosely as a summation of only thermodynamics and statistical mechanics.[1]

Bose–Einstein condensate - representative image of thermal physics.

Overview

Thermal physics, generally speaking, is the study of the statistical nature of physical systems from an energetic perspective. Starting with the basics of heat and temperature, thermal physics analyzes the first law of thermodynamics and second law of thermodynamics from the statistical perspective, in terms of the number of microstates corresponding to a given macrostate. In addition, the concept of entropy is studied via quantum theory.

A central topic in thermal physics is the canonical probability distribution. The electromagnetic nature of photons and phonons are studied which show that the oscillations of electromagnetic fields and of crystal lattices have much in common. Waves form a basis for both, provided one incorporates quantum theory.

Other topics studied in thermal physics include: chemical potential, the quantum nature of an ideal gas, i.e. in terms of fermions and bosons, Bose–Einstein condensation, Gibbs free energy, Helmholtz free energy, chemical equilibrium, phase equilibrium, the equipartition theorem, entropy at absolute zero, and transport processes as mean free path, viscosity, and conduction.[2]

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gollark: I had a network issue there, but the server does NOT run on my laptop so who knows.
gollark: Oh no, just Google beeing bees.
gollark: There appear to be beeapios incursing into my network, weird.
gollark: * bridge, not bot

See also

References
  1. Chang Lee, Joon (2001). Thermal Physics – Entropy and Free Energies. World Scientific. ISBN 981-02-4874-1.
  2. Ralph, R. (1999). Thermal Physics. Cambridge: Cambridge University Press. ISBN 0-521-65838-1

Further reading
  • Callen, Herbert B. (1985). Thermodynamics and an Introduction to Thermostatistics (2nd ed.). Wiley. ISBN 0-471-86256-8.
  • Kroemer, Herbert; Kittel, Charles (1980). Thermal Physics (2nd ed.). W. H. Freeman Company. ISBN 0-716-71088-9.
  • Schroeder, Daniel V. (1999). An Introduction to Thermal Physics. Addison Wesley. ISBN 0-201-38027-7.
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