Code: | F504 | Acronym: | F504 |
Keywords | |
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Classification | Keyword |
OFICIAL | Physics |
Active? | Yes |
Responsible unit: | Department of Physics and Astronomy |
Course/CS Responsible: | Master in Physics |
Acronym | No. of Students | Study Plan | Curricular Years | Credits UCN | Credits ECTS | Contact hours | Total Time |
---|---|---|---|---|---|---|---|
M:F | 15 | Plano de Estudos do Mestrado em Física | 1 | - | 7,5 | - |
1- Developing the habilities for understanding structure, thermodynamics, optics, electric, magnetic and transport properties properties of matter; 2- developing the knowledge and habilities to strengthen the research and development activities, nominally, to facilitate reading and understanding the literature in the field.
Demonstrate ability to understand concepts, models and theories of Condensed Matter Physics, by solving problems that engage reasoning, relating of concepts and simple generalizations of the models studied.
Statistical Physics, Quantum mechanics, prior course in Condensed Matter physics recommended
1. ELECTRONIC PROPERTIES
Translational symmetry and Bloch`s theorem
Implications of Bloch`s theorem (Crystal momentum, Brillouin zones, van Hove Singularities, effective mass)
Brief notes on the importance of rotational symmetry
Two extreme models: nearly free and tightly bound electrons
The Wannier functions
The semiclassical model of electron dynamics
Semiclassical motion in electric and magnetic fields; Hall effect and magnetoresistance
The Schrödinger equation with electrical and magnetic fields (Franz-Keldysh effect, Landau levels, the Shubnikov-de Haas effect, integer quantum Hall effect, the Aharonov-Bohm effect )
Electron-electron interactions (Hartree, Hartree-Fock; screening; the dielectric function in the Thomas-Fermi approximation; The Landau arguments for the success of the independent electron approximation).
2. MAGNETIC PROPERTIES
Diamagnetic and paramagnetic response of isolated magnetic moments
Semiclassical treatment of paramagnetism; the Brillouin function; van Vleck paramagnetism; classical limit (Langevin)
The ground state of an ion and Hund`s rules.
Crystals: rare earths and transition metals; orbital quenching.
Magnetic dipolar and exchange interactions.
Weiss model of a ferromagnet and an antiferromagnet
Ising and Heisenberg models
Excitations: magnons, the Bloch T3/2 law and the Mermin-Wagner-Berezinnskii theorem.
3. DIELECTRIC PROPERTIES OF INSULATORS
Linear dielectric response and causality: Kramers-Kronig relations; consequences of causality to the complex dielectric function.
Theory of local field, polarizability and Clausius-Mossotti relation.
Long-wavelength optical modes in ionic crystals and Reststrahlen.
Dielectric relaxation: dipole in an electric field; Debye model and its limitation. Empirical extensions of the model (Cole-Cole, Cole Davidson, Havriliak-Negami)
Structural phase transitions and the concept of order parameter.
Landau theory and symmetry; ferroelectricity antiferroelectricity piezoelectricity and feroelectricity.
The concept of ferroic material; multiferroic and magnetoelectric materials
4. SUPERCONDUCTIVITY
Basic phenomenology: perfect conductivity, perfect diamagnetism; the Meissner-Ochsenfeld effect and the reversibility of the phase transition.
Magnetic and thermal properties; the Gorter-Casimir two-fluid model
The London equations for a superconductor; trapped and quantized flux
Pippard non-local theory
Ginzburg-Landau phenomenological theory
Type II superconductors
Isotope effect and the energy gap
Microscopic mechanisms of conventional (BCS) superconductivity
Lectures ; problem sessions.
designation | Weight (%) |
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Exame | 100,00 |
Total: | 100,00 |
designation | Time (hours) |
---|---|
Estudo autónomo | 146,00 |
Frequência das aulas | 56,00 |
Total: | 202,00 |
No requirements
Examination grade
n/a
n/a
According to art. 12º of FCUP regulations of student evaluation