Meccanica quantistica

Academic year 2025/2026
Lecturer Vittorio Giovannetti

Integrative teaching

Vasco Cavina

Examination procedure

<p>The final assessment will be an oral exam.</p>

Examination procedure notes

<p>The oral exam consists of a discussion of approximately 40 minutes, during which the candidate is asked to solve problems related to the material covered in the course.</p>

Prerequisites

Basic Linear Algebra

Fundamental concepts such as vector spaces, orthonormal bases, linear operators, eigenvalues, and eigenvectors.

Classical Electrodynamics

Basic principles of electric and magnetic fields, Maxwell’s equations, electromagnetic potentials, and gauge concepts.

Analytical Mechanics

Lagrangian and Hamiltonian formulations of mechanics, principle of least action, generalized coordinates, and conservation laws.

Syllabus

Mathematical Methods

Algebraic and analytical tools used in the formulation of quantum theory.


Axiomatic Introduction to the Theory

Postulates of quantum mechanics and the physical meaning of operators, observables, and states.


Temporal Evolution

Schrödinger equation, time evolution operators, Schrödinger and Heisenberg pictures.


1D Systems

Infinite square well, potential wells and barriers, harmonic oscillator.


Characteristic Function and Wigner Distribution

Phase-space formalism, quasi-probability representations of quantum states.


Magnetic Fields

Quantization in the presence of magnetic fields, magnetic moment, and gauge invariance.


Aharonov-Bohm Effect

Topological effects and the role of the vector potential in quantum mechanics.


Angular Momentum

Orbital and intrinsic angular momentum, operator algebra, quantization.


Central Potentials

Spherically symmetric problems, radial equation, hydrogen atom.


Spin

Spin-½ systems, spin operators, Stern–Gerlach experiment.


Discrete Symmetries (Parity, Time-Reversal)

Fundamental symmetries and their implications on dynamics and state structure.


Approximation Methods

Perturbation theory (non-degenerate and degenerate), WKB method.


Identical Particles

Indistinguishability principle, state symmetrization, Bose–Einstein and Fermi–Dirac statistics.


Bibliographical references

J.J. Sakurai, “Meccanica Quantistica Moderna” (Zanichelli, Bologna 1985)

L. Ballantine, “Quantum Mechnics” (World Scientific, Singapore 1998)

A. Messiah, “Quantum Mechanics” (Dover, New York 1999)