STATISTICAL PHYSICS
cod. 16658

Academic year 2012/13
1° year of course - First semester
Professor
Academic discipline
Fisica della materia (FIS/03)
Field
Microfisico e della struttura della materia
Type of training activity
Characterising
72 hours
of face-to-face activities
9 credits
hub: PARMA
course unit
in - - -

Learning objectives

Understanding the bases of quantum statistical mechanics and some important applications.

Prerequisites

Basic knowledge of quantum mechanics and classical statistical mechanics

Course unit content

Main results in classical statistical mechanics.

Mixed states in quantum statistical mechanics, density operator, statistical entropy.
Fundamental principle of statistical mechanics, quantum ensembles (microcanonical, canonical, T-P, gran-canonical). Paramagnets, molecular vibro-rotations, specific heat of solids.

Identical particles, Fock spoace, second quantization, photons, ideal quantum gases, Hubbard model, spin-waves.

Fluctuations. Phase transitions. Mean-field approximation. MonteCarlo method.

Computer simulations (Matlab): Heisenberg model in canonical ensemble. MonteCarlo method for the 2d Ising model. Exact-diagonalization study of the Hubbard model.

Full programme

Main results in classical statistical mechanics.

Mixed states in quantum statistical mechanics, density operator, statistical entropy.
Fundamental principle of statistical mechanics, quantum ensembles (microcanonical, canonical, T-P, gran-canonical). Paramagnets, molecular vibro-rotations, specific heat of solids.

Identical particles, Fock spoace, second quantization, photons, ideal quantum gases, Hubbard model, spin-waves.

Fluctuations. Phase transitions. Mean-field approximation. MonteCarlo method.

Computer simulations (Matlab): Heisenberg model in canonical ensemble. MonteCarlo method for the 2d Ising model. Exact-diagonalization study of the Hubbard model.

Bibliography

Lecture notes.

Huang - Statistical Mechanics

Yeomans - Statistical Mechanics of Phase Transitions

Bruus and Flensberg - Introduction to Quantum field theory in condensed matter physics

Teaching methods

Lectures and computer simulations.

Assessment methods and criteria

Oral examination

Other information

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