__Curriculum__

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**Sub. Code**: **09020303**

__Curriculum__

**Title****:**** Condensed Matter Physics-1**

S. No |
Topic |
Learning Objectives |
Teaching –guidelines |
Methodology |
Time |

1 | Semiconduct crystals and Fermi surfaces & metals:1. Semiconductor crystals: Band gap, 2. Direct and indirect absorption procsses, 3.Motion of electrons in an energy band, Holes, 4.Effective mass, 5.Physical interpretation of effective mass, 6.Effective masses in semiconductors; 7.Fermi surfaces and metals: 8.Fermi surface and its construction for square lattice (free electrons and nearly free electrons), 9.Electron orbits, 10.Hole orbits, 11.Open orbits; Wigner-Seitz method for energy bands 12.Cohesive energy; 13.Experimental determination of Fermi surface: 14.Quantization of orbits in a magnetic field, 15. De Hass-van Alphen effect. |
To discuss Semiconductor crystals: Band gap, Direct and indirect absorption procsses, Motion of electrons in an energy band, Holes,Effective mass,Physical interpretation of effective mass, Effective masses in semiconductors; Fermi surfaces and metals: Fermi surface and its construction for square lattice (free electrons and nearly free electrons), Electron orbits, Hole orbits, Open orbits; Wigner-Seitz method for energy bands, Cohesive energy; Experimental determination of Fermi surface: Quantization of orbits in a magnetic field, De Hass-van Alphen effect. | To cover basic concept and discussion about Semiconductor crystals: Band gap, Direct and indirect absorption processes, Motion of electrons in an energy band, Holes, Effective mass, Physical interpretation of effective mass, Effective masses in semiconductors; Fermi surfaces and metals: Fermi surface and its construction for square lattice (free electrons and nearly free electrons), Electron orbits, Hole orbits, Open orbits; Wigner-Seitz method for energy bands Cohesive energy; Experimental determination of Fermi surface: Quantization of orbits in a magnetic field, De Hass-van Alphen effect. |
1. Conventional Method ( White- Board Teaching)2.Power Point Presentation |
12 hours |

2 | Optical properties of solids1. Dielectric function of the free electron gas, Plasma optics 2.Dispersion relation for em waves, 3.Transverse optical modes in a plasma, 4.Transparency of alkalis in the ultraviolet, Longitudinal plasma oscillations, 5.Plasmons and their measurement; Electrostatic screening 6.Screened coulomb potential, 7.Mott metal-insulator transition 8.Screening and phonons in metals; 9.Optical reflectance, 10.Kramers-Kronig relations 11.Electronic inter band transitions, 12.Excitons: Frenkel ,Mott-Wannier excitons; 13.Raman effect in crystals; Electron spectroscopy with X-rays. |
To discuss Dielectric function of the free electron gas, Plasma optics, Dispersion relation for em waves, Transverse optical modes in a plasma, Transparency of alkalis in the ultraviolet, Longitudinal plasma oscillations,Plasmons and their measurement; Electrostatic screening Screened coulomb potential, Mott metal-insulator transition, Screening and phonons in metals; Optical reflectance, Kramers-Kronig relations, Electronic inter band transitions, Excitons: Frenkel ,Mott-Wannier excitons; Raman effect in crystals; Electron spectroscopy with X-rays. | To cover explanation and derivation of Dielectric function of the free electron gas, Plasma optics Dispersion relation for em waves, Transverse optical modes in a plasma, Transparency of alkalis in the ultraviolet, Longitudinal plasma oscillations, Plasmons and their measurement; Electrostatic screening, Screened coulomb potential, Mott metal-insulator transition, Screening and phonons in metals;Optical reflectance, Kramers-Kronig relations, Electronic inter band transitions, Excitons: Frenkel ,Mott-Wannier excitons; Raman effect in crystals; Electron spectroscopy with X-rays. |
1. Conventional Method ( White- Board Teaching)2.Power Point Presentation |
10 hours |

3 | Dielectrics and Ferroelectrics: 1.Polarization, Macroscopic electric field, 2.Dielectric susceptibility 3.Local electric field at an atom, Dielectric constant 4.polarizability, Clausius-Mossotti relation 5.Electronic polarizability, 6.Classical theory of electronic polarizability; Structural phase transitions; 7.Ferroelectric crystals and their classification; 8.Landau theory of the phase transition; Anti-ferroelectricity 9. Ferroelectric domains; Piezoelectricity, Ferroelasticity. |
To discuss Polarization, Macroscopic electric field, Dielectric susceptibility, Local electric field at an atom, Dielectric constant Polarizability, Clausius-Mossotti relation Electronic polarizability, Classical theory of electronic polarizability; Structural phase transitions; Ferroelectric crystals and their classification; Landau theory of the phase transition; Anti-ferroelectricity , Ferroelectric domains; Piezoelectricity, Ferroelasticity. |
To cover definition and explanation of Polarization, Macroscopic electric field, Dielectric susceptibility, Local electric field at an atom, Dielectric constant Polarizability, Clausius-Mossotti relation, Electronic polarizability, Classical theory of electronic polarizability; Structural phase transitions; Ferroelectric crystals and their classification; Landau theory of the phase transition; Anti-ferroelectricity Ferroelectric domains; Piezoelectricity, Ferroelasticity. |
1. Conventional Method ( White- Board Teaching)2.Power Point Presentation |
8 hours |

4 | Magnetism 1.Diamagnetism paramagnetism: Magnetic susceptibility, 2.Langevin diamagnetism equation 3.Quantum theory of diamagnetism; 4.Quantum theory of paramagnetism- Curie law 5.Hund’s rules, Para magnetic susceptibility of conduction electrons; 6.Ferromagnetism anti ferromagnetism, Ferromagnetic order 7.Electrostatic origin of magnetic interactions, 8.Magnetic properties of a two-electron system, 9.Singlet-triplet(exchange) splitting in Heitler-London approximation; 10.Spin Hamiltonian and the Heisenberg model; Meanfield theory- Curie-Weiss law; Spin waves- magnons, 11.Bloch T3/2 law; Neutron magnetic scattering (principle) Ferromagnetic domains: Magnetization curve, 12.Bloch wall, Origin of domains; 13. Anti ferro magnetic order and magnons. |
To discuss Diamagnetism paramagnetism: Magnetic susceptibility, Langevin diamagnetism equation, Quantum theory of diamagnetism; Quantum theory of paramagnetism- Curie law, Hund’s rules, Para magnetic susceptibility of conduction electrons; Ferromagnetism anti ferromagnetism, Ferromagnetic order, Electrostatic origin of magnetic interactions, Magnetic properties of a two-electron system, Singlet-triplet(exchange) splitting in Heitler-London approximation; Spin Hamiltonian and the Heisenberg model; Meanfield theory- Curie-Weiss law; Spin waves- magnons, Bloch T3/2 law; Neutron magnetic scattering (principle) Ferromagnetic domains: Magnetization curve, Bloch wall, Origin of domains; Anti ferro magnetic order and magnons. |
To cover basic concept and explanation of Diamagnetism, paramagnetism: Magnetic susceptibility, Langevin diamagnetism equation, Quantum theory of diamagnetism; Quantum theory of paramagnetism- Curie law, Hund’s rules, Para magnetic susceptibility of conduction electrons; Ferromagnetism anti ferromagnetism, Ferromagnetic order, Electrostatic origin of magnetic interactions, Magnetic properties of a two-electron system, Singlet-triplet(exchange) splitting in Heitler-London approximation; Spin Hamiltonian and the Heisenberg model; Meanfield theory- Curie-Weiss law; Spin waves- magnons, Bloch T3/2 law; Neutron magnetic scattering (principle) Ferromagnetic domains: Magnetization curve, Bloch wall, Origin of domains; Anti ferro magnetic order and magnons. | 1. Conventional Method ( White- Board Teaching)2.Power Point Presentation |
10 hours |