67114 - Structure of Matter

Academic Year 2017/2018

  • Docente: Loris Ferrari
  • Credits: 6
  • SSD: FIS/03
  • Language: Italian
  • Teaching Mode: Traditional lectures
  • Campus: Bologna
  • Corso: First cycle degree programme (L) in Astronomy (cod. 8004)

Learning outcomes

Students achieve knowledges in probability calculus and fundamentals of statistica thermodynamics, with applications to non degenerate and degenerate gases.

Course contents

Dynoamics and Thermodynamics. First and Second principle. Phase space and the ergodic hypothesis. Micro-canonic distribution. Indistinguishability. Boltzmann principle. Canonical partition function. Thermodynamic function. The continuum limit. Non degeneracy condition. Perfect gases. Gibbs paradox. Maxwell-Boltzmann distribution. Atomic gases: internal partition function. Weakly ionized gases: Saha formula. Equipartition of the energy. Harmonic oscillators. Bosons and Fermions: the spin. Bosonic and fermionic partition functions. The chemical potential. Continuum limit: perturbative effects of the degeneracy. The Bose-Einstein condensation. Massless bosons and quantized harmonic oscillators: Black Body and photons. Planck formula. Casimir force (outlook). Degenerate fermions. Fermi level. White dwarves and Chandrasekar constant.

Readings/Bibliography

M.Toda, R.Kubo, N.Saito: Statistical Physics I, Springer-Verlag, 2-nd edition-1978.
R.Baierlein: Thermal Physics, Cambridge University Press, 1999
Teacher's drafts, available in web.

Assessment methods

Oral examination, with exercise to be solved.

Teaching tools

Teacher's drafts, available in paper and electronic format.

Office hours

See the website of Loris Ferrari