
Course unit
QUANTUM PHYSICS (MOD. A)
SCP4068139, A.A. 2019/20
Information concerning the students who enrolled in A.Y. 2017/18
Integrated course for this unit
Course unit code 
Course unit name 
Teacher in charge 
SCP4068138 
QUANTUM PHYSICS 
ALBERTO AMBROSETTI 
ECTS: details
Type 
ScientificDisciplinary Sector 
Credits allocated 
Core courses 
FIS/03 
Material Physics 
7.0 
Course unit organization
Period 
Annual 
Year 
3rd Year 
Teaching method 
frontal 
Type of hours 
Credits 
Teaching hours 
Hours of Individual study 
Shifts 
Lecture 
7.0 
56 
119.0 
No turn 
Common characteristics of the Integrated Course unit
Prerequisites:

Calculus 1 and 2. Geometry. Physics 1 and 2. 
Target skills and knowledge:

Basic knowledge of statistical mechanics, modern and quantum physics. Knowing how to use the Schroedinger's equation for solving simple problems. Knowing how to describe with quantum mechanics physical phenomena at the atomic scale. 
Examination methods:

Written exam with exercises and oral exam about the topics of the program. 
Assessment criteria:

Knowing topics and methods of quantum mechanics and their application to physical phenomena discussed in the course. 
Specific characteristics of the Module
Course unit contents:

A) Statistical Mechanics.
1) Random walk, binomial distribution, normal distribution, kinetic theory of gases, free mean path.
2) Postulates of classica statistical mechanics, microcanonical ensamble,
3) Conditions for thermal equilibrium, canonical ensemble, definition of temperature, examples with noninteracting gases.
4) Applications: MaxwellBoltzmann velocity distribution law, harmonic oscillator, partition function, equipartition of energy theorem, specific heat.
5) Generalised forces, entropy, thermodynamic limit, entropy in the microcanonical ensemble.
6) Gibbs paradox, partition function for indistinguishable particles, 3rd principle of the thermodynamics, application to specific heats.
B) Quantum nature of light.
1) Black body radiation, absorbing and emitting power, RayleighJeans formula,
Planck's hypothesis, Planck's formula, photon energy.
2) Photoelectric effect, Einstein's explanation, photon momentum.
3) Compton's effect.
C) From Bohr's atom to de Broglie's hypothesis.
1) Emission and absorption spectra of atomic gases, emission spectrum of H, Balmer's formula, Rydberg's formula, atomic model of Thomson, Rutherford's experiment.
2) Bohr's postulates, Bohr's atomic model, Franck and Hertz experiment.
3) De Broglie's hypothesis, experiment of Davisson and Germen, Bragg's law.
4) Physical meaning of the wave function, Fourier transforms, waves in a dispersive medium, wave packet, group velocity, Dirac function, Heisenberg's uncertainty principle.
D) The equation of Schroedinger.
1) Construction of the equation of Schroedinger, step potential: reflection and transmission coefficients, tunnel effect.
2) Stationary states, bound states, degenerate states, infinite potential well, rectangular potential well. 
Planned learning activities and teaching methods:

Theoretical lectures and discussion of exercises. Lectures are given in Italian. 
Additional notes about suggested reading:

Lecture notes "Dispensa del corso Fisica Quantistica (Mod. A)" available through the website of the course on the elearning platform of the Department of Physics and Astronomy "G. Galilei" (https://elearning.unipd.it/dfa/). 
Textbooks (and optional supplementary readings) 

John D. McGervey, Introduction to Modern Physics. : Academic press, .


