International Journal of Theoretical and Mathematical Physics

International Journal of Theoretical and Mathematical Physics is a peer-reviewed journal, publishing papers on all areas in which theoretical physics and mathematics interact with each other. It features the reports on current developments in theoretical physics as well as related mathematical problems.


M Sebaweh Abdalla

Editor-in-Chief of International Journal of Theoretical and Mathematical Physics

Professor, King Saud University, College of Science, Mathematics Department, Saudi Arabia

Research Areas

Quantum mechanics, Quantum optics, Quantum information, Applications in Lie Algebra

Education

1979-1982Ph.DChelsea College, London University, U.K.
1977-1979M.ScChelsea College, London University, U.K.
1974B.ScAinSham University, Faculty of Education, Cairo

Experience

1991-presentProfessor, Mathematics Department, King Saud University
1986-1990Associate Professor, Mathematics Department, King Saud University
1982-1986Assistant Professor, Mathematics Department, King Saud University
1979-1981Demonstrator, Mathematics Department, Chelsea College, London

Membership

Reviewer for the IOP Journals (UK)
Institute of Physics (Fellowship) (U.K.)
American Institute of Physics (U.S.A.)
The Optical Society of America (U.S.A.)
European Optical Society (Germany)
Egyptian Mathematical Society (Cairo)
American Mathematical Society (U.S.A)

Publications: Conferences/Workshops/Symposiums/Journals/Books

[1]  R.K. Colegrave and M. Sebawe Abdalla, A canonical description of the Fabry-Per^ot Cavity. Optica Acta 28 (1981) 495.
[2]  R.K. Colegrave and M. Sebawe Abdalla, Harmonic oscillator with exponentially decaying mass. J. Phys. A: Math. Gen.14 (1981) 2269.
[3]  R.K. Colegrave and M. Sebawe Abdalla, Harmonic oscillator with strongly pulsating mass. J. Phys. A: Math. Gen.15 (1982)1549.
[4]  R.K. Colegrave and M. Sebawe Abdalla, Field uctuations in a Fabry-Per^ot Cavity in resonance with a reservoir of two-level atoms, I. Adiabatic uctuations. Optica Acta 30 (1983) 849.
[5]  R.K. Colegrave and M. Sebawe Abdalla, Field uctuations in a Fabry-Per^ot cavity in resonance with a reservoir of two-levels atoms II. Non-adiabatic periodic uctuations Optica Acta 30 (1983) 861.
[6]  R.K. Colegrave and M. Sebawe Abdalla, Invariants for the time-dependent harmonic oscillator: I. J. Phys. A: Math. Gen 16 (1983) 3805.
[7]  R.K. Colegrave, M. Sebawe Abdalla, and M.A. Mannan, Invariants for the time-dependent harmonic oscillator II: Cubic and quartic invariants, J. Phys. A:Math. Gen.17 (1984) 1567.
[8]  M. Sebawe Abdalla and R.K. Colegrave, A model for modulated damping or growth of a Harmonic oscilator in classical or quantum mechanics, Lett. IL.Nuovo Cimento 39 (1984) 373.
[9]  M. Sebawe Abdalla and R.K. Colegrave, Harmonic oscillator with strongly pulsating mass under the action of a driving force. Phys. Rev. A 32 (1985)1958.
[10]  M. Sebawe Abdalla, An alternative model of the damped harmonic oscillator, Lett. IL Nuovo Cimento 44 (1985) 482.
[11]  M. Sebawe Abdalla, Canonical treatment of harmonic oscillator with variable mass.Phys. Rev. A 33 (1986) 2870.
[12]  M. Sebawe Abdalla, R.K. Colegrave and A atoun Khosravi, The pulsating harmonic oscillator. IL Nuovo Cimento B 93 (1986) 195.
[13]  M. Sebawe Abdalla, Time-dependent harmonic oscillator with variable mass under the action of a driving force. Phys. Rev. A 34 (1986) 4598.
[14]  M. Sebawe Abdalla, S.S. Hassan and A-S.F. Obada. Multiphoton transition in the Tavis-Cummings model. Phys. Rev. A 34 (1986) 4869.
[15]  M. Sebawe Abdalla, Isotropic time-dependent coupled oscillators. Phys. Rev. A 35 (1987) 4160.
[16]  M. Sebawe Abdalla, Charged harmonic oscillator in the presence of electric and magnetic fields. IL Nuovo Cimento B 101 (1988) 267.
[17]  M. Sebawe Abdalla, R.K. Colegrave and A.A. Selim, The e ect of periodic energy exchange in the frequency converter. Physica A 51 (1988) 467.
[18]  M. Sebawe Abdalla, Charged particle in the presence of a variable magnetic field. Phys. Rev. A 37 (1988) 4026.
[19]  M. Sebawe Abdalla, and Ursula A.T. Ramjit, Quantum mechanics of the damped pulsating oscillator. J. Math. Phys. 30 (1989) 60.
[20]  M. Sebawe Abdalla, M.M.A. Ahmed, and A-S.F. Obada, Dynamics of a non-linear Jaynes-Cummings model. Physica A 162 (1990) 215.
[21]  M. Sebawe Abdalla, Quantum mechanics of field attenuation by photon detection. Physica A 162 (1990) 241.
[22]  M. Sebawe Abdalla and S.S. Hassan, Squeezing in a photodetection model. Physica A 163 (1990) 822.
[23]  M. Sebawe Abdalla, Anisotropic time-dependent coupled oscillators. Phys. Rev. A 41 (1990) 3775.
[24]  M. Sebawe Abdalla, and M.A. Al-Gwaiz, The damped pulsating oscillator with a stochastic driving force. IL Nuovo Cimento B 105 (1990) 401.
[25]  M. Sebawe Abdalla, Eigenfunctions and Eigenvalues for a two-mode squeezed operator. IL Nuovo Cimento B 105 (1990) 799.
[26]  M. Sebawe Abdalla, An Anisotropic charged oscillator in the presence of a constant magnetic field. IL Nuovo Cimento B 105 (1990)1119.
[27]  M. Sebawe Abdalla, M.M.A. Ahmed and A-S.F. Obada, Multimode and Multiphoton processes in a non-linear Jaynes-Cummings model. Physica A 170 (1991)393.
[28]  M. Sebawe Abdalla, Statistical properties of a transformed Tavis-Cummings model. Physica A 179 (1991)131.
[29]  M. Sebawe Abdalla, Statistical properties of a charged oscillator in the presence of a constant magnetic field. Phys. Rev. A 44 (1991) 2040.
[30]  M. Sebawe Abdalla, Statistical properties of a new squeezed operator model. J. Mod. Opt. 39 (1992) 771.
[31]  M. Sebawe Abdalla, The statistical properties of a generalized two-mode squeezed operator. J. Mod. Opt. 39 (1992) 1067.
[32]  M. Sebawe Abdalla, Statistical properties of the time evolution operator for two coupled oscillators. J. Mod. Opt. 40 (1993) 441.
[33]  M. Sebawe Abdalla, Statistical properties of a correlated squeezed operator model.J.Mod.Opt. 40 (1993) 1369.
[34]  S.S. Hassan, M. Sebawe Abdalla, A-S.F. Obada and H.A. Batarfi, Periodic squeezing in the Tavis-Cummings model.J.Mod.Opt.40 (1993)1351.
[35]  M. Sebawe Abdalla and R.K.Colegrave, Squeezing induced in a harmonic Oscillator by a sudden change in mass or frequency. Phys.Rev.A 48 (1993)1526.
[36]  A-S.F.Obada, S.S. Hassan, R.R. Puri and M. Sebawe Abdalla, Variation from numberto-chaotic-state fields: A generalized geometric state. Phys. Rev. A 48 (1993)3174.
[37]  M. Sebawe Abdalla and R.K. Colegrave, Absolute squeezing of a coherent State by resonant modulation of frequency. Phys. Lett. A 5 (1993)341.
[38]  M. Sebawe Abdalla, Quantum statistics of two coupled field modes. Physica A 202 (1994)301.
[39]  M.A. Al-Gwaiz, M. Sebawe Abdalla and Sharief Deshmukh, Lie algebraic approach to the coupled-mode oscillator. J.Phys.A: Math. Gen. 27 (1994)1275.
[40]  M. Sebawe Abdalla, Quantum statistics of the degenerate parametric amplifier. Physica A 210 (1994) 461.
[41]  M. Sebawe Abdalla, Quantum mechanics of two coupled oscillators. IL Nuovo Cimento 109 (1994) 443.
[42]  M. Sebawe Abdalla, M.H. Mahran, and A.-S.F. Obada, Statistical properties of the even binomial state. J. Mod. Opt. 41 (1994)1889.
[43]  H.Batarfi, M. Sebawe Abdalla, A.-S.F.Obada and S.S.Hassan, Field distribution in a generalized geometric radiation state. Phys.Rev.A. 51 (1995)2644.
[44]  M.A.Bashir, and M. Sebawe Abdalla, The most general solution for the wave equation of the transformed Tavis-Cummings model. Phys.Lett. A.204, 21(1995).
[45]  H.A. Batarfi, M. Sebawe Abdalla, and S.S. Hassan, Squeezed generalized geometric state field.Nonlinear opt.16, 131(1996).
[46]  M. Sebawe Abdalla, Quantum Treatment of the time-dependent coupled oscillators, J.Phys.Math.& Gen.A 29, 1997(1996).
[47]  A.-S.F. Obada, M.H. Mahran, F.A.A. El-Orany and M. Sebawe Abdalla, Behaviour of some quantum system in the even Binomial state. Int. J.Theor.Phys.35, 1393 (1996).
[48]  M. Sebawe Abdalla, Quantum mechanic of a two modes two photons coupled oscillators, Physica A.234, 554(1996).
[49]  M. Sebawe Abdalla, and M.A.Bashir, Lie Algebraic Treatment of the Degenerate Parametric Amplifier, J.Egypt. Math.Soc.5, 171(1997).
[50]  M. Sebawe Abdalla, Quantum Mechanics of Parametric Amplifiers and Parametric Frequency Conversion. Acta.Phys.Slovaca 47, 353 (1997).
[51]  M. Sebawe Abdalla, Lie algebraic treatment of a charged oscillator in the presence of a constant magnetic field, IL Nuovo Cimento B 112, 1549(1997).
[52]  M.H. Mahran, M. Sebawe Abdalla, A.-S.F. Obada, and F.A.A. El-Orany, Statistical properties of the phased generalized binomial state, Nonlinear optics.119, 189 (1998).
[53]  M. Sebawe Abdalla, and M.A.Bashir, Lie algebraic treatment of three coupled oscillators, Quant.Semi.Optics 10, 415 (1998).
[54]  M. Sebawe Abdalla, M.M.A.Ahmed, and S.Al-Homidan, Quantum statistics of three modes coupled oscillators, J.Phys.A.Math.& Gen.31, 3117(1998).
[55]  M. Sebawe Abdalla, Faisal A.A.El-Orany, and J. Perina, Quantum statistical properties of optical parametric symmetric coupler J.Phys.A.Math.& Gen.32, 3457 (1999).
[56]  Faisal A.A.El-Orany, M.H.Mahran, A.-S.F.Obada, and M. Sebawe Abdalla, Statistical properties of the odd Binomial states with Dynamical applications. Int.J.Theor.Phys.38, 1493(1999).
[57]  Faisal A.A.El-Orany, J.Perina, and M. Sebawe Abdalla, Quantum statistical properties of superposition of squeezed and displaced states with thermal noise J.Mod.Opts.46, 1621(1999).
[58]  M. Sebawe Abdalla, Faisal A.A.El-Orany, and J.Perina, Sub-Poisson statistics of highly correlated Squeezed parametric systems, proceeding of VI ICSSUR sixth International conference on Squeezed States and Uncertainty relations, p 21, (1999).
[59]  M. Sebawe Abdalla, Faisal A.A.El-Orany, and J.Perina, Nonclassical e ects in nondegenerate optical parametric symmetric coupler, proceeding of SPIE conference, optics for the next Millennium, 3749 , 538(1999).
[60]  M. Sebawe Abdalla, Faisal A.A.El-Orany, and J.Perina, Quantum Statistics and dynamics of nonlinear couplers with nonlinear exchange, J.Mod.Optics.47 , 28(2000).
[61]  M. Sebawe Abdalla, and A.-S.F.Obada, Statistical Properties of a new two modes Squeeze Operator Model.Inter.J.mod..phys.B 14, 1105(2000).
[62]  Faisal A.A.El-Orany, J.Perina, and M. Sebawe Abdalla, Phase properties of the superposition of squeezed and displaced number states, J .Opt . Quantum Semiclass.Opt.B 2, 545 (2000).
[63]  M. Sebawe Abdalla, Faisal A.A.El-Orany, and J.Perina, Quantum statistical properties of highly correlated squeezed parametric system, Act.phys.Univ.Palacki 39, 25(2000).
[64]  M. Sebawe Abdalla, Faisal A.A.El-Orany, and J.Perina , SU(2) and SU(1; 1) Squeezing in interacting radiation modes.Acta physica Solovca, 50, 613(2000).
[65]  M. Sebawe Abdalla, and A.-S.F.Obada, Intermediate States: Some Nonclassical Properties, Mathematics and the 21st Century, proceedings of the international Conference, Cairo, Egypt 15-20 January 2000, p323-356. (World Scientific publishing Singapore, 2001).
[66]  Faisal A.A.El-Orany, J.Perina, and M. Sebawe Abdalla, Quantum properties of parametric amplifier under action of the classical pump.Optics communctions 187, 199(2001).
[67]  Faisal A.A.El-Orany, and M. Sebawe Abdalla, , A.-S.F.Obada, and Gamal.A.Kader In-uence of squeezing on di erent binomial states.Inter.J.Mod .Phys.B15, 75(2001).
[68]  Faisal A.A.El-Orany, J.Perina, and M. Sebawe Abdalla, Statistical properties of three quantized interacting oscillators. Physica Scripta 'A'. 63, 128(2001).
[69]  M. Sebawe Abdalla, Faisal A.A.El-Orany, and J.Perina, Statistical properties of a solvable three-Boson squeeze operator model. Eur.Physical Journal 'D'13 423(2001).
[70]  Faisal A.A.El-Orany, J.Perina, and M. Sebawe Abdalla, Generation of squeezed light in a nonlinear asymmetric directional coupler, J.Opt. Quantum Semiclass.Opt.B, 3, 66 (2001).
[71]  Faisal A.A.El-Orany, J.Perina, and M. Sebawe Abdalla, Evolution of Fock states in three mixed harmonic oscillators: Quantum statistics, Inter.J.Mod.Phys.B 15, 2125 (2001).
[72]  M. Sebawe Abdalla, Faisal A.A.El-Orany, and J.Perina, Dynamical properties of degenerate parametric amplifier with photon-added coherent states IL-Nuovo Cimento.B, 116, 137(2001).
[73]  M.Abdel-Aty, M. Sebawe Abdalla, and A.-S.F.Obada, Quantum Information and Entropy Squeezing of a Two-level atom with a nonlinear medium. J.Phys.'A' Math.&Gen.34 9129 (2001).
[74]  M. Abdel-Aty, and M. Sebawe Abdalla, Degree of Entanglement for the two bimodal :Field interating with two-level system. Physica 'A'307 /3-4 437 (2002).
[75]  M.Abdel-Aty, M. Sebawe Abdalla, and A.-S.F.Obada, Entropy squeezing of a Two-Mode Multiphoton Jaynes-Cummings model in the presence of in a nonlinear medium, J.Opt. Quantum Semiclass.Opt.B, 4, 134 (2002).
[76]  M.Abdel-Aty, M. Sebawe Abdalla, and A.-S.F.Obada, Entropy and Phase Properties of Isotropic Coupled Oscillators interacting with single atom: one and two-photon process, J.Opt. Quantum Semiclass.B, 4, S133 (2002).
[77]  S.S.Hassan, M. Sebawe Abdalla, Gamal.A.Kader, and L A-M Hanna Squeezing evolution with non-dissipative and dissipative SU(2) systems J.Opt.Quantum Semiclass.Opt.B, 4, S204(2002).
[78]  Faisal A.A.El-Orany, J.Perina, J.Perinova, and M. Sebawe Abdalla, Quantum properties of a single mode dissipative amplifier against Schrodinger-Cat states, J.Opt. Quantum Semiclass.Opt.B, 4, S153(2002).
[79]  M. Sebawe Abdalla, Quantum treatment of time dependent coupled oscillators, Inter. J.Mod.Phys.B 16, 2837 (2002).
[80]  M. Sebawe Abdalla, M.Abdel-Aty, and A.-S.F.Obada Quantum entropy of isotropic coupled oscillators interacting with single atom, Optics communications 211, 225(2002).
[81]  M.Abdel-Aty, M. Sebawe Abdalla, and A.S.-F.Obada , Uncertainty relation and information entropy of a time-dependent bimodel two-level system J.Phys.B:At.Mol.opt.Phys. 35, 4773 (2002).
[82]  M. Sebawe Abdalla, M.Abdel-Aty, and A.S.-F.Obada , Degree of entanglement for anisotropic coupled oscillators interacting with a single atom, J.Opt. Quantum Semiclass.Opt.B, 4, 396(2002).
[83]  Faisal A.A.El-Orany, J.Pe rina, J.Pe rinova, and M. Sebawe Abdalla, Evolution of catstates in a dissipative parametric amplifier: Decoherence and entanglements, Eur. Phys.J.D. 22, 141(2003).
[84]  M. Sebawe Abdalla, M.Abdel-Aty, and A.S.-F.Obada , Entropy and entanglement of time-dependent Jaynes-Cummings Model Physica.A.326, 203(2003).
[85]  M. Sebawe Abdalla, and A.S.-F.Obada, Nonclassical properties for some intermediate states, Arab.J.Math.Sc. 9, 29 (2003).
[86]  Faisal.A.A.El-Orany, S.S.Hassan, and M. Sebawe Abdalla, Squeezing evolution with non-dissipative SU(1; 1) J.Opt.Quantum Semiclass.Opt.B, 5, 396(2003).
[87]  M. Sebawe Abdalla, A.S.-F.Obada, and E.M.Khalil, Quantum mechanics of two fields parametric frequency converter interacting with a single atom. Inter.J.theor.Phys.42, 2735(2003).
[88]  M.Abdel-Aty, A.S.-F.Obada and M. Sebawe Abdalla, Shannon information and entropy squeezing of two fields parametric frequency converter interacting with a single-atom, Inter.J.quantum information, 1, 359 (2003).
[89]  M. Sebawe Abdalla, and P L G Leach Linear and quadratic Invariants for the trsnsformed Tavis-Cummings Model.J.Phys.A.Math & Gen.36, 12205 (2003).
[90]  A.S.-F.Obada, M.Abdel-Aty, and M. Sebawe Abdalla Quantum treatment of a time dependent single trappd ion interacting with a bimodel cavity field, Inter.J.Mod.Phys B, 17, 5925 (2003).
[91]  M. Sebawe Abdalla, M.Abdel-Aty, and A.S.-F.Obada, Isotropic coupled oscillators interacting with a single atom via-two photon processes: Quantum information aspects, J.Phys.B.37, 775 (2004).
[92]  A.S.-F.Obada, M. Sebawe Abdalla, and E.M.Khalil, Statistical properties of two mode parametric amplifier interacting with a single atom. Physica A, 336, 433 (2004).
[93]  E.M.Khalil, M. Sebawe Abdalla, and A.S.-F.Obada, Quantum treatment of two coupled oscillators in intereation with two-level atom: parameteric amplifier model, Inter. J.Mod.Phys B, 18, 2325 (2004).
[94]  F.A.A.El-Orany, M. Sebawe Abdalla, and J. Pe rina, Single mode quantum properties of the codirectional Kerr nonlinear coupler: frequency mismatch and exact solution, J.Opt.B, Quantum and Semiclass, 6, 460(2004).
[95]  M. Sebawe Abdalla, S.S.Hassan, and M.Abdel-Aty, Entropic Uncertainty in the Jaynes-Cummings model in presence of a second harmonic generaation, Optics Communication, 244, 431(2005).
[96]  A.-S.F.Obada, M.Abdel-Aty, M. Sebawe Abdalla, Phase entropy of a single trapped ion interacting with a laser field, Laser Phys.Lett., 2, 208 (2005) .
[97]  M. Sebawe Abdalla, and P L G Leach, Wigner function for time dependent coupled linear oscillators via Linear and quadratic invariant processes, J.Phys.A Math&Gen. 38, 881-893(2005).
[98]  M. Sebawe Abdalla, A.S.-F.Obada, and M.Abdel-Aty, Von Neumann entropy of two modes parametric amplifier interacting with a single atom, Ann. Phys. 318, 266(2005).
[99]  F.A.A.El-Orany, M. Sebawe Abdalla, and J. Pe rina, Quantum properties of the codirectional three-mode Kerr nonlinear couplier, EUR J.Phys.D, 33, 453(2005).
[100]  M. Sebawe Abdalla, M.Abdel-Aty, and A.S.-F.Obada, von Neumann Mutual information for Anisotropic coupled oscillators interacting with a single atom, Inter.J.Theor.Phys., 44, 1649 (2005).
[101]  F.A.A.El-Orany, M. Sebawe Abdalla, and J. Pe rina, Generation of the Schrodingercat states in the codirectional Kerr nonlinear coupler, Proc. of SIPE Vol 5945, 594505-1(2005).
[102]  M. Sebawe Abdalla, A.-S.F.Obada, and M.Darwash Statistical properties of nonlinear binomial state, J.Opt.B, Quantum and Semiclass. 12, S569(2005).
[103]  E.M.Khalil, M. Sebawe Abdalla, and A.S.-F.Obada, Entropic Uncertainty of two coupled oscillators in interaction with single two-level atom: parametric frequency conversion, Ann. Phys.321, 421(2006).
[104]  M. Sebawe Abdalla, J. Pe rina, and J.K repelka, Statistical properties of multiphoton time-dependent trilinear coupled oscillators, J.Opt.Soc.Am. B, 23, 1146(2006).
[105]  M.Sebawe Abdalla, J.K repelka, and J. Pe rina, E ect of Kerr-like medium on a two-level atom in interaction with bimodal oscillators, J. Phys.B: At. Mol. Opt. Phys. 39, 1563(2006).
[106]  M.Abdel-Aty, M.R.B.Wahiddin, M.Sebawe Abdalla, A.-S.F.Obada, Entanglement of a three-level trapped atom in presence of another three-level trapped atom, Optics Communication, 265, 551(2006).
[107]  R.N.Deb, M. Sebawe Abdalla, S.S.Hassan, and N.Nayak, Spin squeezing and entanglement in a dispersive cavity, Phys.Rev.A.73, 053817 (2006).
[108]  M.M. Nassar, and M. Sebawe Abdalla, Quantum treatment of three mutually anisotropic coupled oscillators, Inter.J.Mod.Phys B, 20, 3487(2006).
[109]  M. Sebawe Abdalla, M.Abdel-Aty and A.-S.F.Obada, Sensitive response of the quantum entropies to Jaynes-Cummings model in presence of a second harmonic generation, Inter.J.Theor.Phys.46, 637(2007).
[110]  M.M. Nassar, and M. Sebawe Abdalla, The e ect of phases on Time-Dependent Three Coupled Quantum Systems, Nonlinear Optics, Quantum Optics, 37 (2007)267.
[111]  Faisal AA El-Orany, M.Sebawe Abdalla, and J. Pe rina, Squeezing properties of the Kerr-down conversion system, EUR J.Phys.D. 41, (2007)391.
[112]  M. Sebawe Abdalla, and Jeong-Ryeol Choi, Propagator for the time-dependent charged oscillator via linear and quadratic invariants, Ann.Phys.322, 2795(2007).
[113]  M.M. Nassar and M. Sebawe Abdalla, Wigner function and transition amplitude for three mutually coupled oscillators.Physica B 392, 159 (2007).
[114]  M. Abdel-Aty, S. S. Hassan, M. Sebawe Abdalla and A.-S.F.Obada, Quantum information entropy for a multi-level system, Inter.J.Mod.Phys B.21, 5351 (2007).
[115]  M. Sebawe Abdalla, E.M.Khalil and A.S.-F.Obada, Statistical properties of twophoton cavity mode in the presence of degenerate parametric amplifier, Ann.Phys.322, 2554 (2007).
[116]  M. Sebawe Abdalla, A.-S.F.Obada and M.Darwash Statistical properties of the nonlinear negative binomial state, Optics Commun. 274, 372 (2007).
[117]  M. Sebawe Abdalla, M.Abdel-Aty and A.-S. F. Obada Fidelity of isotropic coupled oscillators interacting with a single atom, Laser Physics, 17, 1151(2007).
[118]  M. Sebawe Abdalla, A.-S.F.Obada and S.Abdel-Kalek, Entropy Squeezing of time dependent Single-Mode Jaynes-Cummings Model in presence of a non-linear e ect, Chaos, Solitons & Fractals, 36 405(2008).
[119]  M Sebawe Abdalla, E Lashin, and G Sadiek, Entropy and variance squeezing for time-dependent two-coupled atoms in an external magnetic field, J. Phys. B: 41, 015502 (2008).
[120]  M. Sebawe Abdalla, A.-S.F.Obada, and M.Darwash, Nonclassical properties of a nonlinear generalized geometric state, Phys. Scr. 77, 055002(2008).
[121]  N. Metwally, M. Abdel-Aty and M.Sebawe Abdalla, Controlling the quantum computational speed, Inter.J.Mod.Phys B, 22, 4143(2008).
[122]  M.Abdel-Aty, M Sebawe Abdalla and A.S.F. Obada, Some Aspects of Entanglement and Fidelity of Isotropic Coupled Oscillators, Nonlinear optics Research progress (Nova publisher, Editors: James L. Davies and Daniel A. Hall, 2008).
[123]  A.S.F. Obada, M Sebawe Abdalla, S. Abdel-Khalek and M.Abdel-Aty, Revealing Non-classical Features in an Analytically Solvable Time-dependent Three-level Atom Interacting with Two-mode Intelligent States, Nonlinear optics Reaserech progress (Nova publisher, Editors: James L. Davies and Daniel A. Hall, 2008).
[124]  M. Abdel-Aty, M.Sebawe Abdalla and B C Sendar, Tripartite entanglement dynamics for atom in a two-mode nonlinear cavity, Phys.Lett.A 373, 315 (2009).
[125]  M. Sebawe Abdalla and M.M. Nassar, Quantum Treatment Of The Time-dependent Coupled Oscillators under the action of Random Driving Force, Ann.Phys. 324, 637(2009).
[126]  M Sebawe Abdalla and P G L Leach Lie Algebraic Treatment of the Quadratic Invariants for the Degenerate Parametric Amplifier, Theor.and Math.Phys. 159, 534(2009).
[127]  H A Batarfi, E.Al-Khayat, M.Sebawe Abdalla, and S.S.Hassan, Spectra of modified Jayness-Cummings Hamiltonian model, Inter.J.Mod.Phys B, 23, 2215 (2009).
[128]  N.Metwally, M.Abdel-Aty and M.Sebawe Abdalla, Dynamics of impurity, local and non-local information for two non identical qubits, Optics.Comm. 282, 1930 (2009). 129 ) G Sadiek, E Lashin, and M Sebawe Abdalla, Dynamics of entanglement of a twoqubit system with anisotropic XYZ exchange coupling in nonuniform external magnetic fields, Physcia B, 404, 1719 (2009).
[129]  M. Sebawe Abdalla, J. Pe rina, and J.K repelka, Nonclassical e ect of quantum nondemolition measurement in presence of parametric amplification, Optics.Comm.282, 2878(2009).
[130]  M. Sebawe Abdalla and Nour Al-Ismael, Quantum Mechanics of An Alternative Model of the Damped Harmonic Oscillator under extranal force. Inter.J.Theor.Phys.48, 2757(2009).
[131]  M Sebawe Abdalla and M.A.Bashir, The Lie Algebraic Treatment of Partial Di erential Equations of Evolution Type, Arab.J.Math.Sc. 15, 1 (2009).
[132]  E.M.Khalil, M.Sebawe Abdalla, A.S.-F.Obada and J. Pe rina, Entropic uncertainty in a two two-level atom interacting with a cavity field in presence of degenerate parametric amplifier, J.Opt.Soc.Am.B, 37(2010) 266 .
[133]  M.Sebawe. Abdalla, M. A. Bouchene, M. Abdel-Aty, T. Yu and A.-S. F. Obada, Dynamics of an atom coupled through a parametric frequency converter with quantum and classical fields, Opt.Comm.283 (2010) 2820.
[134]  E.M.Khalil, M.Sebawe Abdalla and A.S.-F.Obada, Pair entanglement of two-level atoms in the presence of nondegenerate parametric amplifier, J. Phys. B: At. Mol. Opt. Phys. 43 (2010) 095507.
[135]  M. Abdel-Aty, Abdallah Azzeer and M.Sebawe Abdalla, Anabiosis of phase distribution of a three-level trapped ion, Physica.A 389 (2010) 3375.
[136]  M.Sebawe Abdalla, and A.I.Elkasapy, Lie algebraic approach of a charged particle in presence of a constant magnetic field via the quadratic invariant, Ann.Phys.325 (2010) 1667.
[137]  M. Sebawe Abdalla and M.M.A.Ahamed, Some statistical properties for the interaction between SU(1; 1) and SU(2) quantum systems, J. Phys. B: At. Mol. Opt. Phys.43 (2010) 155503.
[138]  N. Metwally, M. Sebawe Abdalla and M. Abdel-Aty, Enhancement Non Classical Properties of a pair of qubit Via Deformed Operators, In.J.Theor.Phys.49 (2010) 2051.
[139]  M.Sebawe Abdalla, E.M.Khalil and A.S.-F.Obada, Nonclassical properties of two mode nondegenerate entangled state, IL Nouvo Cimento B 125, (2010) 1509.
[140]  M Sebawe Abdalla, A.-S.F.Obada and M.Darwish, Non-classical properties of squeezed finite dimensional pair coherent state, In.J.Theor.Phys.50, (2011) 181.
[141]  Faisal A.A.El-Orany and M. Sebawe Abdalla, Variance squeezing and entanglement of XX central spin model, J.Phys.A. Math.Theor.J. Phys. A: Math. Theor. 44 (2011) 035302.
[142]  M. Sebawe Abdalla and M.M.A.Ahmed, Entropy Squeezing and entanglement of the interaction between SU(1; 1) and SU(2) quantum systems, Opt.Comm.284 (2011) 1933.
[143]  M.Sebawe Abdalla, E.M.Khalil and A.S.-F.Obada, Exact treatment of the Jaynes-Cummings model under the action of external classical field, Ann.Phys.326 (2011) 2486.
[144]  H.Elech, Y.V.Rostovtsev and M.Sebawe Abdalla, Autocorrelation function for a twolevel atom "with counter-rotating terms", J.Russian Laser Research 32 (2011) 212.
[145]  M.Sebawe Abdalla and Lamia Al-Rageb, Nonclassical properties of the time-dependent harmonic oscillator under the action of external force, Appl.Math.Inf.5 (2011)544.
[146]  M. Sebawe Abdalla, and P. L G Leach Lie algebric approach and Quantum treatment of an anisotropic charged particle via the quadratic invariant, J.Math.Phys.52 (2011) 083504.
[147]  H.Elech, M.Sebawe Abdalla and Y.V.Rostovtsev, Analytic solution for One-dimenosional scattering problem, Opt.Comm.284 (2011)5457-5459.
[148]  M.Sebawe Abdalla and E.M.Khalil Nonclassical properties of the integrability condition of the time-dependent SU(2) quantum system, Phys.Scripta in press (2011).