Browsing Quantum Physics Stream by Title

Browsing Quantum Physics Stream by Title

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  • QUANTIZATION OF RELATIVISTIC DIRAC FIELD AND THE SPIN STATISTICS THEOREM 
    tasew, Gashaw; mengesha, Elias Major Advisor (PhD) (Haramaya university, 2016-01)
    In this project, attempt was made to develop the basic ideas of second quantization for a relativistic Dirac field using Lagrangian formalism in the four-dimensional space. In particular, concentration was made on the ...
  • QUANTUM EFFECTS IN THE DYNAMICS OF TRAPPED BOSE CONDENSED GASES 
    sulamo, Firdawok; bekele, Gashaw Major Advisor (PhD) (Haramaya university, 2016-01)
    In this project, quantum theory of a weakly interacting, dilute Bose gas is presented using the formalism of second quantization. First, a calculation is performed to obtain an expression for the Hamiltonian operator ...
  • QUANTUM MECHANICAL STUDY OF THE INTERACTION OF RADIATION WITH MATTER 
    ahmedmuz adem, Anwar; mengesha, Elias Major Advisor (PhD) (Haramaya university, 2017-05)
    In this project an attempt has been made, first to present the quantum mechanical formalism of the interaction of radiation with matter, the photoionisation of an atom and the photodisintegration of a deuteron. For this ...
  • QUANTUM THEORY OF THE THERMODYNAMICS OF AN IDEAL BOSE GAS 
    bezabih, Emawayish; bekele, Gashaw Major Advisor (PhD) (Haramaya university, 2016-01)
    In this project work, quantum theory of the thermodynamic properties of an ideal Bose gas is presented using quantum statistics. First a calculation is performed to obtain expressions for partition function and for ...
  • RELATIVISTIC DESCRIPTION OF ELECTRON-MUON SCATTERING REACTION 
    tesfaye, Mengistu; bekele, Gashaw Major Advisor (PhD) (Haramaya university, 2018-02)
    In this thesis, detailed derivations of the spin-average invariant amplitude and hence the differential cross-section for unpolarized electron-muon elastic scattering are made by using lowest-order Feynman diagrams. It ...
  • SOLVING THE MODIFIED DIRAC EQUATION FOR MUON MOVING IN STRONG BACKGROUND ELECTRIC FIELD 
    Hajo Gemmeda, Jeylan; Bekele, (PhD) Gashaw (Haramaya university, 2020-09)
    In this thesis, the covariant form of Dirac equation has been modified for a relativistic muon by incorporating the uniform background electric field through the principle of minimal coupling. The Electromagnetic (EM) field ...
  • SPECIFIC HEAT ESTIMATION FOR FERROMAGNETS WITHIN THE FRAMEWORK OF THE ISING MODEL 
    bekele, Dawit; bekele, Gashaw Major Advisor (PhD) (Haramaya university, 2017-08)
    This project presents the specific heat estimation for ferromagnetic material using the Ising model within the framework of the mean field approximation. First, a calculation is performed to obtain expression for partition ...
  • VERTEX CORRECTION AND SOFT PHOTON EMISSION CONTRIBUTIONS TO THE SCATTERING OF ELECTRON BY COULOMB POTENTIAL 
    Isak Sufiyan; ELIAS MENGESHA (PhD) (Haramaya University, 2023-06)
    The main purpose of this study is to provide the quantum description for the vertex correction and soft photon emission contributions to the radiative corrections of the scattering of electron by coulomb potential. Using ...

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