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(3+ 1)-dimensional light-front model with spontaneous breaking of chiral symmetry
Burkardt, M; El-Khozondar, Hala J. (American Physical Society, 1997)We investigate a (3+ 1)-dimensional toy model that exhibits spontaneous breakdown of chiral symmetry, both in a light-front (LF) Hamiltonian and in a Euclidean Schwinger-Dyson (SD) formulation. We show that both formulations ... -
A 3+1 Dimensional LF Model with Spontaneous χ SB
Burkardt, M; Burkardt, Matthias; El-Khozondar, Hala J. (Springer, Berlin, Heidelberg, 1998)Light-front (LF) quantization provides an intuitive (physical basis!) description of hadron structure that stays close to the relevant degrees of freedom in high energy scattering: many high-energy scattering processes ... -
A compact very wideband amplifying filter based on RTD loaded composite right/left-handed transmission lines
Abu-Marasa, Mahmoud; El-Khozondar, Hala J. (Springer International Publishing, 2015)The composite right/left-handed (CRLH) transmission line (TL) is presented as a general TL possessing both left-handed (LH) and right-handed (RH) natures. RH materials have both positive permittivity and positive permeability, ... -
A Comparative Study of Students and Faculty Members Views on the Importance of Educational Objectives to Join Electrical Engineering
El-Khozondar, I. J.; El-Khozondar, H. J. (IOP Publishing, 2018-11)Educational institutions play an important role in preparing students to serve their society. In order to prepare them properly, it is necessary to identify the desired goals to facilitate the ... -
A review study of photovoltaic array maximum power tracking algorithms
El-Khozondar, Hala J.; El-Khozondar, Rifa J.; Matter, Khaled; Suntio, Teuvo (Springer Singapore, 2016)There are numerous maximum power point tracking (MPPT) algorithms for improving the energy efficiency of solar photovoltaic (PV) systems. The main differences between these algorithms are digital or analog implementation, ... -
A Very Wideband Filter-Amplifier Based on Composite Right/Left-Handed Transmission Lines Loaded With RTD
Abu-Marasa, Mahmoud; El-Khozondar, Hala J. (The Islamic University of Gaza, 2014-09-12)The composite right/left-handed (CRLH) transmission line (TL) is presented as a general TL possessing both left-handed (LH) and right-handed (RH) natures. RH materials have both positive permittivity and positive permeability, ... -
Analytical solution of four-mode coupling in shear strain loaded fiber Bragg grating sensors
MüLLER, Mathias S.; El-Khozondar, Hala J.; Buck, Thorbjörn C; Koch, Alexander W (Optical Society of America, 2009)The polarization-dependant reflection spectra of fiber Bragg grating (FBG) sensors in polarization-maintaining fibers are influenced by shear strain. This influence can be evaluated from a tensorial coupled-mode theory ... -
Characteristics of Asymmetric Nonlinear Waveguide with Graphene Layer: Transverse Electric Mode
El-Khozondar, Hala J.; Khalifa, Rana Amin; Shabat, Mohammed M. (American Scientific Publishers, 2017-07-01)The characteristics of a three-layer waveguide is studied. The waveguide structure consists of a thin layer of graphene at the interface between air and a dielectric layer at a distance d from nonlinear media. The dispersion ... -
Characteristics of Si-Solar Cell (PV) Waveguide Structure Using Transfer Matrix Method
El-Khozondar, Hala J.; Shabat, Mohammed M.; Alshembari, Ahmed N (IEEE, 2017)In this work, the characteristics of a Si-solar cell (PV) model is studied. The proposed model is a four layer system with an ultra-thin film of Fe-InGaAsPlaid above Silicon (Si) substrate and covered by AlON layer that ... -
Comparison Study of Photovoltaic Array Maximum Power Tracking Techniques
Matter, Khaled; Suntio, Teuvo; El-Khozondar, Hala J. (The Islamic University of Gaza, 2014-09-12)There are numerous Maximum Power Point Tracking (MPPT) algorithms for improving the energy efficiency of solar photovoltaic (PV) systems. The main differences between these algorithms are digital or analog implementation, ... -
Design of a Solar Energy Water Heater Tank with High Efficiency for Local Use in Gaza Strip
El-Khozondar, Hamza; El-Khozondar, Hala J. (DJ publisher, 2018)The traditional sources of energy are considered as a threat to the environment. On the contrary, renewable sources of energy such as wind energy, solar energy, and geothermal energy, etc. are eco-friendly. ... -
Design of one dimensional defect based photonic crystal by composited superconducting material for bio sensing applications
Ramanujam, Nambi R; El-Khozondar, Hala; Vigneswaran, Dhasarathan; Taya, Sofyan A.; Aly, Arafa (Elsevier BV, 2019-11)A novel biosensor based on 1-D defect photonic crystal is suggested to be consisting of alternate layers of SiO2 and Air. At the middle, there exists a cavity layer encapsulated with a composite layer of superconducting ... -
Design of one dimensional refractive index sensor using ternary photonic crystal waveguide for plasma blood samples applications
El-Khozondar, Hala J.; Mahalakshmi, Perumal; El-Khozondar, Rifa J.; Ramanujam, Nambi R; Amiri, I. S.; Yupapin, P. (Elsevier BV, 2019-07)One dimensional ternary photonic crystal based refractive index sensor is numerically proposed for the blood plasma sensing applications. It is achieved by introducing the defects or cavity cell, where the blood samples ... -
Design of Voltage control Oscillator using Nonlinear Composite Right/Left-Handed Transmission Line
El-Khozondar, Hala J.; Abu-Marasa, Mahmoud; El-Khozondar, Rifa J.; Elbahri, Mady; Zouhdi, Said (2016)In the present work, we propose a voltage control oscillator (VCO) at high frequency consists of nonlinear composite right/left-handed transmission line (CRLH-TL) loaded with Resonant Tunneling Diode (RTD). We designed ... -
Dispersion Characteristics and Sensitivity Properties of Graphene Surface Plasmon Sensor
El-Khozondar, Hala J.; El-Khozondar, Rifa J.; Shabat, Mohammed M. (American Scientific Publishers, 2017-03-01)In this work, dispersion characteristics and sensitivity of the propagation of TM surface plasmon through the proposed waveguide sensor. The proposed sensor containing a graphene at a finite distance filled with metamaterials ... -
Dispersion Characteristics of Graphene Surface Plasmon Four Layers Waveguide
El-Khozondar, Hala J.; El-Khozondar, Rifa J.; Shabat, Mohammed M. (الجامعة الإسلامية - غزة, 2017)A four layer waveguide has been introduced. Graphene layer is separate by metamaterial layer (MTM) from a plasmonic layer The dispersion characteristics of the propagation of TM surface Plasmon through the waveguide structure ... -
Double-Negative Metamaterial Optical waveguide Behavior Subjected to Stress
El-Khozondar, Hala J.; Shabat, Mohammed M.; El-Khozondar, Rifa J. (الجامعة الإسلامية - غزة, 2008)Stress effect on the behavior of optical waveguide sensor consists of dielectric slab inserted between metamaterial (MTM) cladding and substrate is investigated by using numerical calculations. Several MTMs with different ... -
Effect of electromagnetic filed on body weight and blood indices in Albino rats and therapeutic …
Abdel Aziz, Ismail I.; El-Khozondar, Hala J. (2010)Viagra rezeptpflichtiges Medikament Verkauf Kanada billige Verordnung online ohne cialis mastercard preise sicher kaufen proben. Auftrag generisches viagra sildenafil bestellen in viagra 50mg kanada kaufen pfizer aus ... -
Effects of hypervitaminosis A on inner ear development in albino mice Embryo
Mostafa, O; Mohammed, A; El-Khozondar, Hala J. (Scientific Publishing Centre, 2015)Vitamin A is one of the most necessary nutrients for the completion of the cellular function of the normal embryonic development if it is taken within normal limits during pregnancy period, in both shortage or higher doses ... -
Efficiency Enhancement of Solar Cell Using Metamaterials
El-Amassi, Dena M; El-Khozondar, Hala J.; Shabat, Mohammed M. (SciDoc Publishers LLC, 2015)In this work, Photovoltaic (PV) cell model with high absorption efficiency is introduced. The proposed four layer PV cell model consists of antireflection coating (ARC) layer on glass based and covered by metamaterial (MTM) ...