M.Sc., M.Phil. and Ph.D. Courses
DEPARTMENT OF PHYSICS
A : COURSES IN SOLID STATE PHYSICS
Phy 6001 Quantum Mechanics Credit-3 Hrs
Schrodinger wave equation : One dimensional problem, particle in a box, tunnelling through a potential barrier, linear harmonic oscillator, K-P model; Particle in a central potendial: Hydrogen atom; WKB approximation method; Perturbation theory for degenerate & non-degenerate cases: First and second order perturbation, applications-Zeeman effect & Stark effect; Time dependent perturbation theory; Variation method: Application to He atom & van der Waals interaction between two hydrogen atoms; Spin Pauli spin materices; Dirac equation: System of identical particles; many electron system-Hatree & Hatree-Fock approximation.
Phy 6002 Low Temperature Physics and Vacuum Techniques Credit-3 Hrs
Production of low temperature; Thermodynamics of liquefaction; Joule-Thompson liquefiers; Cryogenic system design: Cryostat design, heat transfer, temperature control, adiabatic demagnetization; Different types of pumps: rotary, diffusion and ion pumps, pumping speeds, conductance & molecular flow; Vacuum gauges: Mclead gauge, thermal conducitivity ionization gauges; Cryogenic thermometry: gas & vapour pressure thermometers, resistance, semiconductor and diode capacitance thermometers, thermocouples, magnetic thermometry.
Phy 6003 Physics of Semiconductors and Superconductors Credit -3 Hrs
Intrinsic, extrinsic, and degnerate semiconductors; Density of states in a magnetic field; Transport properties of semiconductors; thermo-electric effect, thermomagnetic effect, Piezo-electric resistance, high frequency conductivity; contact phenomena in semiconductors: metal-semiconductor contacts, p-n junction, etc. Optical and photoelectrical phenomena in semiconductors: light absorption by free charge, charge carriers, lattices, and electrons in a localized states, photoresistive effect, Dember effect, photovoltaic effect, Faraday effect, etc.
Phenomena of superconductivity: Pippard's non-local electrodynamics, thermodynamics of superconducting phase transition; Ginzburg-Landau theory; Type-I and type-II superconductors, Cooper pairs; BCS theory; Hubbard model, RVB theory, Ceramic superconductors: synthesis, composition, structures; Thermal and transport properties: Normal state transport properties, specific heat; role of phonon, interplay between magnetism and superconductivity: Possible mechanism other than electron-phonon interaction for superconductivity.
Phy 6004 Polymer Physics Credit 3 Hrs.
Introduction to macromolecular physics: The chemical structure of polymers, Internal rotations, Configurations, and Conformations, Flexibility of macromolecules, Morphology of polymers; Modern Concept of polymer structure: Physical methods of investigatiing polymer structure such as XRD, UV-VIS, IR, SEM, DTA/TGA, DSC, etc., the structure of crystalline polymers; The physical states of polymers: The rubbery state, Elasticity, etc.; The glassy state, Glass transition temperature, etc., Viscosity of polymers; Advanced polymeric materials: Plasma polymerization, Properties and application of plasma-polymerized organic thin films; Polymer blends and composites: Compounding and mixing of polymer, Their properties of application; Electrical properties of polymers: Basic theory of the dielectric properties of polymers, Dielectric properties of structure of cyrstalline and amorphous polymers.
Lattice dynamics of one, two & three dimensional lattices, specific heat, elastic constants, phonon dispersion relations, localized modes; Dielectric and optical properties of insulators: a.c. conductivity dielectric constant, dielectric losses; Transport theory: Free electron theory of solids: density of states, Fermi sphere, Electrons in a periodic potential; Band theory of solids: Nearly free electron theory, tight binding approximation, Brillouin zones, effective mass of electrons and holes.
Phy 6006 X-ray Credit - 3 Hrs.
Reciprocal lattice, structure factor and its application; X-ray diffraction from a crystal; X-ray techniques; Weissenberg and precession methods: Identification of crystal structure from powder photograph and diffraction traces; Laue photograph for single crystal; geometrical & physical factors affecting X-ray intensities; Analysis of amorphous solids and fibre textured crystal; Neutron diffraction: determination of magnetic structure of crystals by neutron diffraction.
Phy 6007 Optical Crystallography Credit - 3 Hrs.
The morphology of crystals, the optical properties of crystals, the polarizing microscopy, general concept of indicatrix, isotropic and uni-axial indicatrix, orthoscopic and conscopic observation of interference effects, orthoscopic and conscopic examination of crystals. Optical examination of uni-axial and bi-axial crystals, determination of retardation and birefringence, extinction angles, absorption and pleochroism, determination of optical crystallographic properties.
Phy 6008 Magnetism-I (General) Credit - 3 Hrs.
Classification of magnetic materials, Quantum theory of paramagnetism, Pauli paramagnetism, Properties of magnetically ordered solids; Weiss theory of ferromagnetism, interpretation of exchange interaction in solids, ferromagnetic domains; Technical magnetization, intrinsic magnetization of alloys; Theory of antiferromagnetic and ferrimagnetic ordering; Ferrimagnetic oxides and compounds.
Phy 6009 Magnetism-II (Special) Credit- 3
Magnetic anisotropy: pair model and one ion model of magnetic anisotropy, Phenomenology of magnetostriction, volume amgnetostricition and form effect; Law of approach of saturation, Structure of domain Wall, Technological applications of magnetic materials.
Phy 6010 Physics of Deformed Solids Credit -3
Theory of matter transport by defect mechanism: Random walk theory and correlation effects in metals and alloys for impurity and self-diffusion: Theory of ionic transport process, impurity defect association, long range interactions, dielectric loss due to defect dipoles, Internal friction, Radiation damage in metals and semiconductors, colour centres: mechanism of production by various methods, Optical and magnetic properties and models of different colour centre; Theoretical calculation of atomic displacement and energies in defect lattices and amorphous solids, stress-strain and dislocations; Elasticity theory of strees field around edge and screw dislocations, Dislocation interactions and reactions effects on mechanical properties.
Phy 6011 Thermodynamics of Solids Credit -3
Properties at O.K, Gruneisen relation, Heat capacities of crystals, specific heat arising from disorder. Rate of approach of equality, Variation of compressibility with temperature, relation between thermal expansion and change of compressibility with pressure. Thermodynamics of phase transformation and chemical reactions. Thermodynamic properties of alloy system: Factors determining the crystal structure; The Hume-Rothery rule, the size of ions; Equilibrium between phases of variable composition, Free energy of binary systems; Thermodynamics of surface and interfaces, Thermodynamics of defects in solids.
Phy 6012 Experimental
Measurement of D.C. conductivity, dielectric constant and dielectric loss as a function of temperature and frequency, Magnetization measurement methods (Faraday, VSM and SQUID) magnetic anisotropy and magnetostriction measurements, magnetic domain observation, optical spectroscopy (UV-VIS, IR, etc.), Electron microscopy; Differential thermal analysis (DTA) and thermogravimetric analysis (TGA), Deposition and Growth of thin films by vacuum evaporation Production of low temperature. Single crystal growth and orientation. Magnetic and non-magnetic annealing; Electron spin resonance (ESR), Ferromagnetic resonance (FMR) and nuclear magnetic resonance (NMR).
Phy 6013 Physics of Non-Crystalline Solids Credit -3
Types of disorder, amorphous and glassy solids: formation of amorphous solids, The 'glass' transition theories, Morphology- the primacy of short range order, Experimental techniques for structure determination; Electronic structure of amorphous solids; Concept of tail states, gap states and mobility gap, electronic density of states and their determination; Optical and electrical properties of amorphous solids; Applications in photovoltaics, optical memories, optical communication xerography etc.
Thin films, Deposition process; Growth of thin films: Kinetics of nucleation, mechanism of growth, etc; Defects in thin films; Electron transport in thin films: size effect, galvanomagnetic effects; Optical properties of thin films: thin film filters, laser mirrors; Optical memory, etc.
Basic principle: Introduction, Debye shielding, plasma parameters, collisions, Vlasov equation, fluid equations MHD theory, Plasma in
Semiconductor: Dispersion equation, drift current of charged particles, Boltzmann Kinetic equation, effective mass and band
structure, Scattering mechanisms & relaxation time. Electron plasmas in
metals: Fermi distribution and Hatree-Fock exchange
energy, dielectric response function, random phase approximation, local field
corrections & ground state energy, Electromagnetic wave in magnetized
Phy 6015 Neutron Scattering Credit - 3
Neutron sources, continuous and pulsed sources, monochromatization, collimation and moderation of neutrons, neutron detectors, scattering of neutrons and its advantages, elastic scattering of neutrons, magnetic scattering and determination of magnetic structure, inelastic scattering, thermal vibration of crystal lattices, lattice dynamics and phonons.
Neutron polarization, polarized neutron applications, scattering by liquids and molecules, Van-Hovev correlation formalism, some experimental results of scattering by liquids and molecules, small angle neutron scattering and its application in the study of biological molecules and defects.
Experimental techniques of scattering measurements, Tim-of-Flight method, crystal diffraction techniques, neutron diffractometer and triple-axis spectrometer, constant 'Q' method.
Phy 6016 Course Title: Crystal Growth Credit :3
Introduction to crystal growth, significance
of single crystal;
Phy 6017 Course Title: Nanophysics Credit :3
Growth of nanoscale systems and their lithography, Quantum mechanical effects of nanostructures and their impacts, Two-dimensional electron gas, Quantum dots and wires, Graphene, Carbon nanotubes, Superlattices, Magnetic nanostructures, Quantum Hall effect, Coulomb blockade effect, Aharonov-Bohm effect, Conductance quantization, Weak and strong localization, Resonant tunneling, Modification of materials properties at nanoscale using high energy electrons and ions, Importance and applications of nanostructured materials, Latest and future nanoscience and nanotechnological advances and challenges.
Phy 6018 Course Title: Materials Science Credit :3
Classification of materials; Crystalline and amorphous materials; Metallic, semiconducting, insulating, dielectric, piezoelectric, ferroelectric and pyroelectric materials; Properties of metals and non-metals; Diffusion mechanisms: diffusion in superionic conductors, high temperature superconducting ceramics and amorphous materials; Electrical properties of alloys, ceramics and polymers; Magnetic properties of magnetoresistive, magnetocaloric and other advanced magnetic materials; Application of advanced materials; Materials of the future.
B: Courses in Health Physics, Medical Physics and Radiation Protection
Phy 6101 Nuclear Physics Credit - 3
Atomic structure, The nucleus, semi-empirical mass formula and binding energy; Radioactive decay, Theories of alpha-decay, beta-decay and gamma emission, Nuclear reaction, Fission and Fusion, Artificial radioactivity, Accelerators, Radiation detectors.
Phy 6102 Nuclear Reaction Credit - 3
Compound nucleus, Statistical theory, Breit-Wigner dispersion formula, Level density, Angular distribution, Energy spectra, Resonance, Giant-resonance, Isobaric-spin, Isobaric analogue states, Analogue resonance, Direct reaction, Inelastic scattering, Stripping and pick-up reaction, Butler's theory, DWBA theory, Assignment of J-values of nuclear levels.
Phy 6103 Nuclear Model Credit -3
Shell mode, Infinite square well potential, Harmonic oscillator potential, Spin orbit potential, Single particle model, Independent particle model, L-S and j-j coupling, Transformation between L-S and j-j coupling, collective model, Liquid drop model, Models of even-even nuclei, Optical model, Kapur-Peierls dipersion formula.
Phy 6104 Physics of Radiology Credit - 3
The production and properties of X-ray, diagnostic and therapy x-ray tubes, X-ray circuit with rectification, Electron interaction, characteristic radiation, Bremsstrahlung, Angular distribution of x-rays, Quality of x-rays, Beam restricting devices, The grid, Radiographic film, Radiographic quality, Factors affecting the image, Image modification, Image intensification, contrast media, Modulation transfer function, Exposure in diagnostic radiology, Fluoroscopy, computed tomography, Ultrasound, Magnetic resonance imaging.
Phy 6105 Health Physics Credit - 3
Atomic and nuclear structure, Isotopes, Binding energy and nuclear stability, Radio-activity, Specific activity, Alpha rays, Beta rays, Gamma rays, Interaction of different radiations with matter, Radiation dosimetry, Absorbed dose, Exposure, Exposure measurements, Bragg-Gray principle, Kerma, Stopping-power ratio, Energy fluence and exposure, Internally deposited radioisotopes, Effective half-life, Does commitment, MIRD method, Measurement of absorbed does, Film badges, Pocket dosimeter, Fricke dosimeter, Calorimeteric method, Thermoluminescent dosimeter (TLD).
Phy 6106 Radiation Biophysics Credit - 3
The nucleus, Ionizing radiations, Radiation doses, Interaction of radiation with matter, Cell structure, Radiation effects on independent cell systems, Oxygen effect, Hyperthermia, LET and RBE, Lethal, potentially lethal and sub-lethal radiation damage, Dose-rate effect, Acute effects of radiation, Somatic effects, Late effects, Non-specific life shortening and carcinogenesis, Genetic changes, Nominal standard dose (NSD), Time dose fractionation (TDF), Standquist curve.
Phy 6107 Physics of Radiotherapy Credit - 3
Introduction, superficial and deep x-ray machines, teletherapy, linear acceerator, radiation fields within a patient, single isodose curve, multiple-field isodose curve patterns, percentage depth dose (PDD), back-scattering factor(BSF), electron therapy, tissue air ratio (TAR), tissue maximum ratio (TMR), treatment planning.
Phy 6108 Medical Physics Credit -3
Introduction, forces on and in the body, energy, work and power of the body, pressure, physics of the lungs and the breathing, physics of the cardiovascular system, electricity within the body, application of electricity and magnetism in medicine, physics of the ear and hearing, physics of eyes and vision, light in medicine, sound in medicine.
Phy 6109 Reactor Physics Credit - 3
Interactions of neutrons with matter, cross-sections for neutron reactions, thermal neutron cross-sections, nuclear fission, energy release in fission, neutron multiplication, nuclear chain reaction, steady state reactor theory, criticality condition, homogeneous and heterogeneous reactor systeem, neutron moderation, neutron diffusion, control of nuclear reactions, coolant, types of nuclear reactors: power reactor, research reactor, fast reactor, breeder reactor, etc. reactor shielding.
Phy 6110 Radiation Protection Credit - 3
Radiation protection guides, ICRP, IAEA, ILO, ICRU, NCRP's recommendations, philosophy and objectives of radiation protection, radiation hazards, external and internal radiation, exposure from man made sources and nuclear installations, medical exposure, low-level exposure, maximum permissible dose, basic radiation safety criteria, basic safety standards, safety regulations in nuclear installations, radiation safety and legal aspects in transport of radioactive materials, radio-active waste disposal, radiation protection in diagnostic radiology, therapy and nuclear medicine.
Phy 6111 Basic Anatomy and Physiology Credit : 3
Feature of medical terminology, Cells and metabolism, Skeleton and muscles system, Ligament, Joint, Heart and circulatory system, breathing system, Alimentary canal(deigestive system), Urigenital system, Water and electrolyte balance in the body, Endocrine system, Blood producing organs, Brain and nervous systems, Sense organs, Skin.
C : Courses in Atmospheric Physics
Phy 6201 Basic Atmospheric Physics Credit - 3
Structure and composition of the atmosphere, Atmospheric parameters, Physical properties of gases, Solar and terrestrial radiation, Radiative transfer, Heat balance of the terrestrial atmosphere, Thermodynamics of the atmosphere, T-P diagram, Elements of cloud physics, Atmospheric instruments, Meteorological analysis, Synoptic chart, etc., Analysis of 500, 300 and 200 mb charts, Combined analysis using conventional data and satellite images.
Phy 6202 Dynamical and Tropical Meteorology Credit - 3
Geophysical fluid dynamics: Navier-Stoke's equation, Rotating and stratified flow, Scale analysis, Hydrostatic approximation, Coriolis force, Geopotential etc., Gradient and thermal wind, Vorticity and circulation theorems, Proudmen-Tauylor theorem, Atmospheric wave, Atmospheric turbulence, Barotroic and baroclinic instabilities, Numerical weather fore-casting, Quasi-geotropic approximation, Barotropic vorticity equation, Primitive equation, Multilayered models, Tropical cyclones, Norwesters and tornadoes. The monsoons, Dynamical climatology, Physics of upper atmosphere: Geomagnetism, Neutral atmosphere, Ionosphere and magnetosphere.
Phy 6203 Monsoon Meteorology and Modelling Credit - 3
Survey of tropical disturbance, Monsoon climeterology, Zonally averaged tropical circulation, Meridinal and zonal asymmetries, Radiative process in the tropics, Tropical cloud physics.
Tropical boundary layer, Tropical cyclone theories, Monsoon modelling, Monsoon depressions and Monsoon rainfall.
Phy 6204 Remote Sensing and GIS Credit - 3
Fundamentals of remote sensing, Sensors, Optical mehcanical scanner, Cameras for remote sensing, Remote sensing satellites, Geostationary meteorological satellite, Data used in remote sensing, Procedure of data analysis, Calibration and validation, Satellite image processing systems, Generation of thematic maps, Stereoscopy, Atmospheric and geometric corrections, Coordinate transformation, Collinearity equation, Resampling and interpolation, Application of remote sensing, Cyclone monitoring, Vegitation map, Estimation of precipitation, Geographic information system (GIS), GIS and remote sensing, Basic function of GIS, GIS information infrastructure, GIS hardware and software, Special query and analysis.
Phy 6205 Climatology I Credit - 3
Concept of weather and climate, Climatic elements, Climatic factors, Cause of seasons, Climatology of (Temperature, Rainfall, Thunderstorm, Drought, Wind) Bangladesh, Global distribution of insolation, Albedo of different surfaces, Air temperature, Mean sea level pressure and wind, Diurnal and annual variations of surface air temperature at different latitudes and over the globe, Global distribution of precipitation, Global Heat Budget, Diurnal and annual variation of precipitation, Global distribution of atmospheric perils, Air masses, their classifications, source regions, modification and associated weather, El Nino, La Nina, Southern Oscillation, Madden-Julian Oscillation, North Atlantic Oscillation, Indian Ocean Dipole Oscillation, Northern Annular Mode or Arctic Oscillation, Northern Pacific Index, Pacific Decadal Oscillation, Interdecadal Pacific Oscillation.
Phy 6206 Climatology II Credit - 3
Background on climate and general wind circulation, Climatic classification, Koppen, thornthwaite etc, Fundamental meteorological factors affecting the climate, Past climate revealed by meteorological observation, Methods of palaeoclimatology, Possible causes of climatic change, Introduction to climate system, Role of greenhouse gases, Global warming, Sea level rise, Effects of climate extremes, Statistical background for climate variability, Modes of climate variability including NAO, ENSO, Impacts of natural and anthropogenic factors on climate, Equilibrium in climate change parameters, Sensitivity of feedback mechanisms, Concept of climate change models, Energy cycle, Tropical Ocean and their role in climate control, Physical processes in general circulation.
Phy 6207 Radar Meteorology Credit - 3
Electromagnetic waves and its propagation and interaction, Radar technologies (radar hardware: transmitter, modulator, waveguide, antenna, receiver), Different types of radar, Radar displays, Radar equation for point and distributed targets (radar target: spherical target, birds, aircraft, buildings, water towers and radio towers), Plan position indicator (PPI), Range height indicator (RHI); Radar reflectivity, Radar reflectivity factor (Z), Z-R relationship, Attenuation, Inversions, Ground cluttering, Meteorological target and its measurement (cloud, rain, snow, bright band and hail), Observations of winds, Doppler velocity measurement, Observations of fair weather, Advanced uses of meteorological radar (rainfall measurement, dual-wavelength radar, polarization diversity, dual-Doppler processing), Next generation radar (NEXRAD).
Phy 6208 Atmospheric Modeling and Data Assimilation Credit - 3
The Governing Equations, Atmospheric equations of motion on spherical coordinates, Basic wave oscillations in the atmosphere, Shallow-water equations, Filtering approximations, Primitive equations and vertical coordinates, global and regional models, Nonhydrostatic models, Numerical discretization, initial value problems, Boundary value problems, Boundary conditions for regional models, Sub-grid scale physical processes and Reynolds averaging, Model parameterizations, Data assimilation and least squares methods, Optimal interpolation and 3D-Var, Ensemble Kalman filter.