Characteristic properties of macroscopic systems and basic concepts of statistics. Statistical description of systems of particles: Determination of state, the statistical ensemble. Statistical postulates. Probability calculations, number of accessible states of a macroscopic system. Interaction (thermal, adiabatic, general) between macroscopic systems. 1st law of thermodynamics, infinitesimal changes. Constraints, equilibrium, irreversibility. Thermal interaction. Equilibrium condition between two macroscopic systems. Approach to thermal equilibrium. Definition of temperature, transfer of small amounts of heat. System in contact with a heat reservoir, the partition function, the canonical ensemble. Paramagnetism, The ideal gas, equation of state of ideal gases. Third law of thermodynamics, heat capacity, entropy of mixing. Phase equilibrium (Gibbs free energy, chemical potential, Clausius-Clapeyron equation). Quantum statistics of ideal gases. Fermi–Dirac statistics, Bose–Einstein statistics and photon statistics. Black-body radiation - Planck s law. Free electron model in metals.
- Teacher: Λεωνίδας Τσέτσερης
ECTS : 5
Language : el