Requirements: 2/0/0/V/2;
Semester: Spring;
Language: English;
Responsible teacher: Szabolcs Csonka, associate professor
Lecturer: Szabolcs Csonka, Endre Tóvári
Department: Department of Physics
Programme: BSc Physics (mandatory) and MSc Physics (recommended for students without preliminary studies in solid state physics)
Exam: Written/Oral exam at the end of semester
More details can be found in the Teams group (after registration week).
band structure, doping, statistical mechanics of semiconductors, band structureengineering, 2DEGs, Mosfet, LED, solar cell.
Quantum dots:
effect of charge quantization and confinement, artificial atoms and molecules, concept of spin qubits
Electron transport in nanowires:
Characteristic length-scales, conductance of a quantum wire, Landauer formula,conductance quantization. Coherent and incoherent transport.
Thermoelectric phenomena in nanowires:
Seebeck and Peltier effect, heat conduction and Wiedemann-Franz law
The Boltzmann equation:
non-equilibrium distribution function, the Boltzmann equation in the relaxation timeapproximation, solution of the Boltzmann equation in finite tamperature gradient or in finite electric field. Calculation ofthe conductance in an isotropic system. Thermoelectric phenomena. Temperature dependence of the resistance in metals.
Magnetism:
origin of atomic magnetic moments: Hund's rules, why do magnetic moments align? Symmetry of thewavefunction, exchange energy. Simple models of magnetism: Heisenberg model, Ising model. Magnetic orders:ferromagnets, antiferromagnets, ferrimagnets. The mean field theory of ferromagnets, Weiss-field, Curie-point.
Superconductivity:
Phenomenology of superconductors. Macroscopic wave function and the Meissner effect.Josephson-junction, macroscopic quantum tunneling, SQUID, superconducting quantum circuits.
Semester: Spring;
Language: English;
Responsible teacher: Szabolcs Csonka, associate professor
Lecturer: Szabolcs Csonka, Endre Tóvári
Department: Department of Physics
Programme: BSc Physics (mandatory) and MSc Physics (recommended for students without preliminary studies in solid state physics)
Exam: Written/Oral exam at the end of semester
More details can be found in the Teams group (after registration week).
Topics:
Semiconductor physics and devices:band structure, doping, statistical mechanics of semiconductors, band structureengineering, 2DEGs, Mosfet, LED, solar cell.
Quantum dots:
effect of charge quantization and confinement, artificial atoms and molecules, concept of spin qubits
Electron transport in nanowires:
Characteristic length-scales, conductance of a quantum wire, Landauer formula,conductance quantization. Coherent and incoherent transport.
Thermoelectric phenomena in nanowires:
Seebeck and Peltier effect, heat conduction and Wiedemann-Franz law
The Boltzmann equation:
non-equilibrium distribution function, the Boltzmann equation in the relaxation timeapproximation, solution of the Boltzmann equation in finite tamperature gradient or in finite electric field. Calculation ofthe conductance in an isotropic system. Thermoelectric phenomena. Temperature dependence of the resistance in metals.
Magnetism:
origin of atomic magnetic moments: Hund's rules, why do magnetic moments align? Symmetry of thewavefunction, exchange energy. Simple models of magnetism: Heisenberg model, Ising model. Magnetic orders:ferromagnets, antiferromagnets, ferrimagnets. The mean field theory of ferromagnets, Weiss-field, Curie-point.
Superconductivity:
Phenomenology of superconductors. Macroscopic wave function and the Meissner effect.Josephson-junction, macroscopic quantum tunneling, SQUID, superconducting quantum circuits.
- Teacher: Szabolcs Csonka
- Teacher: Endre Tóvári