Mario SALERNO | MATTER PHYSICS
Mario SALERNO MATTER PHYSICS
cod. 0522600010
MATTER PHYSICS
0522600010 | |
DIPARTIMENTO DI FISICA "E.R. CAIANIELLO" | |
EQF7 | |
PHYSICS | |
2018/2019 |
OBBLIGATORIO | |
YEAR OF COURSE 1 | |
YEAR OF DIDACTIC SYSTEM 2017 | |
SECONDO SEMESTRE |
SSD | CFU | HOURS | ACTIVITY | |
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FIS/03 | 7 | 56 | LESSONS | |
FIS/03 | 2 | 24 | EXERCISES |
Objectives | |
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THE TEACHING AIMS WILL BE FOCUSED ON THE FOLLOWING POINTS: KNOWLEDGE AND UNDERSTANDING: THE AIM IS TO PROVIDE KNOWLEDGE OF CONDENSED MATTER PHYSICS WITH SPECIAL REFERENCE TO MOLECULES AND TO THE MODERN THEORY OF SOLIDS. APPLYING KNOWLEDGE AND UNDERSTANDING: THE APPLICATION OF KNOWLEDGE AND UNDERSTANDING WILL BE DEVELOPED THROUGH PROBLEM SOLVING ABILITIES ALSO IN NEW OR UNFAMILIAR ENVIRONMENTS. IN PARTICULAR, STUDENTS WILL BE STIMULATED TO INTEGRATE KNOWLEDGE AND HANDLE COMPLEXITY AND TO COMMUNICATE CONCLUSIONS AND KNOWLEDGE TO SPECIALIST AND NON SPECIALIST AUDIENCES. |
Prerequisites | |
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ATOMIC PHYSICS. CONDENSED MATTER PHYSICS AT INTRODUCTORY LEVEL. QUANUM MECHANICS. |
Contents | |
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SEMICLASSICAL MODEL FOR THE BLOCH ELECTRON DYNAMICS. EFFECTS OF ELECTRIC AND MAGNETIC FIELDS ON BLOCH ELECTRONS. FREE ELECTRON LANDAU LEVELS. MEASURING THE FERMI SURFACE. THE DE HAAS VAN-ALPHEN EFFECT AND RELATED OSCILLATORY PHENOMENA. FERMI SURFACES AND BAND STRUCTURES OF THE ALCALI AND NOBLE METALS. THE SEMICLASSICAL THEORY OF CONDUCTION IN METALS. RELAXATION TIME APPROXIMATION. NON-EQUILIBRIUM DISTRIBUTIONFUNCTION. ELECTRICAL AND THERMAL CONDUCTIVITY. THERMAL. THERMOELECTRIC EFFECTS. BEYOND THE RELAXATION TIME APPROXIMATION. GENERAL DESCRIPTION OF COLLISIONS. BOLTZMANN EQUATION. IMPURITY SCATTERING. WEIDERMANN-FRANZ LAW. BEYOND THE INDEPENDENT ELECTRON APPROXIMATION. EXCHANGE INTERACTION. HARTTREE AND HARTHREE_FOCK APPROXIMATIONS. SCREENING IN METALS. THOMAS-FERMI THEORY AND THE THEORY OF LINDHARD. DIELECTRIC CONSTANT OF LINDHARD. DENSITY FUNCTIONAL THEORY. KINETIC ENERGY AND EXCHANGE ENERGY FUNCTIONAL. THEOREM OF HOHENBERG-KOHN. CORRELATION ENERGY. KOHN-SHAM EQUATION. LOCAL DENSITY APPROXIMATION. ELECTRON-ION INTERACTION. BORN-OPPENHEIMER ADIABATIC APPROXIMATION. ADIABATIC POTENTIAL-ENERGY SURFACES OF DIATOMIC MOLECULES. THE IONIZED HYDROGEN MOLECULE. LCAO AND HEITLER-LONDON METHOD. THE HYDROGEN MOLECULE. MOLECULAR SPECTROSCOPY. ELECTRONIC TRANSITIONS AND PRINCIPLE OF FRANCK-CONDON. THE MOLECULE OF AMMONIA. INTERMOLECULAR FORCES IN SOLIDS. LENARD-JONES POTENTIAL. COHESIVE ENERGY. MOLECULAR, IONIC AND COVALENT SOLIDS. CLASSICAL THEORY OF THE HARMONIC CRYSTAL. CLASSIC SPECIFIC HEAT AND DULONG-PETIT LAW. NORMAL MODES OF ONE DIMENSIONAL LATTICES. NORMAL MODES OF BRAVAIS LATTICES WITH BASIS. NORMAL MODES OF BRAVAIS LATTICE IN THREE DIMENSIONS. QUANTUM THEORY OF THE HARMONIC CRYSTAL. QUANTIZATION OF A ONE-DIMENSIONAL MONATOMIC CHAIN. PHONONS. HIGH AND LOW TEMPERATURE SPECIFIC HEAT. DEBYE AND EINSTEIN MODELS. PHONON LEVEL DENSITY. MEASURING PHONON DISPERSION RELATIONS. CONSERVATION LAWS OF THE CRYSTAL MOMENTUM. NEUTRON SCATTERING BY A CRYSTAL. ZERO-, ONE-, AND TWO-PHONON SCATTERING. ANHARMONIC EFFECTS IN CRYSTALS. GENERAL ASPECTS AND EQUATION OF STATE. THERMAL EXPANSION OF A CRYSTAL. GRUNEISEN PARAMETER. PHONON COLLISIONS AND THERMAL CONDUCTIVITY. MELTING TEMPERATURE. PHONONS IN METALS. ELEMENTARY THEORY OF THE PHONON DISPERSION RELATION. DIELECTRIC CONSTANT OF A METAL. EFFECTIVE ELECTRON-ELECTRON INTERACTION. OVER-SCREENING AND COOPER PAIRS FORMATION. MAGNETIC PROPERTIES OF SOLIDS. MAGNETIZATION AND MAGNETIC SUSCETTIBILITY. LARMOR DIAMAGNETISM. HUND'S RULES. VAN VLECK PARAMAGNETISM. CURIE LAW IN SOLID. ADIABATIC DEMAGNETIZATION. PAULI PARAMAGNETISM. LANDAU DIAMAGNETISM. ELECTRONIC INTERACTIONS AND MAGNETIC STRUCTURE. ELECTROSTATIC ORIGIN OF MAGNETIC INTERACTIONS. MAGNETIC PROPERTIES OF TWO ELECTRON SYSTEM. SPIN HAMILTONIAN. DIRECT, SUPER, INDIRECT, AND ITINERANT EXCHANGE. MAGNETIC PROPERTIES OF A FREE ELECTRON GAS. THE HUBBARD MODEL. MAGNETIC ORDERING. TYPES OF MAGNETIC STRUCTURE. GROUND STATE OF THE HEISENBERG FERROMAGNETIC MODEL. LOW TEMPERATURE PROPERTIES. SPIN WAVES. THERMODYNAMIC PROPERTIES AND MEAN FIELD APPROXIMATION. EFFECTS OF DIPOLAR INTERACTIONS AND MAGNETIC DOMAINS. SUPERCONDUCTIVITY.THERMOELECTRIC PROPERTIES. THE MEISSENER EFFECT. CRITICAL FIELDS. SUPERCONDUCTING OF TYPE I AND II. CRITICAL TEMPERATURE AND SPECIFIC HEAT. ENERGY GAP. THE LONDON EQUATION. THE GINZBURG-LANDAU THEORY. FLUX QUANTIZATION AND PERSISTENT CURRENT. |
Teaching Methods | |
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THE COURSE HAS A DOMINANT THEORETICAL CHARACTER WITH AN APPLICATIVE PART INVOLVING EXERCISES, COMPUTER SIMULATIONS AND WRITTEN REPORTS. |
Verification of learning | |
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THE EVALUATION WILL BE MADE WITH BOTH WRITTEN AND ORAL EXAMINATIONS. |
Texts | |
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B.H. BRANDSEN, C.J. JOACHAIN, PHYSICS OF ATOMS AND MOLECULES, LONGMAN, N.Y. (1991). N.W. ASHCROFT, N.D. MERMIN, SOLID STATE PHYSICS, SAUNDERS COLLEGE, PHILADELPHIA (1976). G. GROSSO, G. PASTORI PARRAVICINI, SOLID STATE PHYSICS, ACADEMIC PRESS (2000). C. KITTEL, INTRODUZIONE ALLA FISICA DELLO STATO SOLIDO, CASA EDITRICE AMBROSIANA (2008). H. IBACH E H. LUTH, SOLID-STATE PHYSICS (SPRINGER, BERLIN 2003). J.M. ZIMAN, I PRINCIPI DELLA TEORIA DEI SOLIDI (TAMBURINI, MILANO, 1975) |
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