mahmoud.abdelatty

محمود محمد أحمد عبدالعاطى

استاذ - أستاذ

كلية العلوم

العنوان: Sohag, 15 Str

17

إعجاب
2017 | الكلمات المفتاحية Esophageal, HCV induced, data mining analysis,
Incidence of HCV induced—Esophageal varices in Egypt: Valuable knowledge using data mining analysis
Esophageal varices is one of the most important comorbidity related liver cirrhosis, patients usually presented with hematemesis, melena, or both, ultimately 20% is the mortality during the first attack, hence we aimed to investigate the incidence of such esophageal varices related chronic Hepatitis C virus (HCV) in randomized Egyptian population One thousand eighteen Egyptian patients, aged between 17 and 58 ... إقراء المزيد

2016 | الكلمات المفتاحية modeling of fibrosis, a unified approach,
Towards a unified approach in the modeling of fibrosis: A review with research perspectives
Pathological fibrosis is the result of a failure in the wound healing process. The comprehension and the related modeling of the different mechanisms that trigger fibrosis are a challenge of many researchers that work in the field of medicine and biology. The modern scientific analysis of a phenomenon generally consists of three major approaches: theoretical, experimental, and computational. Different theoretical ... إقراء المزيد

2016 | الكلمات المفتاحية Entanglement, Energy, multi-atom,
New Perspectives on Nonlinear Multi-Atoms Interacting with a Cavity Field
We investigate the entanglement dynamics of two two-level atoms interacting with a quantized cavity field, considering the level shifts produced by the Stark effect. We perform comparisons of the entanglement evolution of this system when the cavity is filled with a Kerr-like medium. The presence of entanglement sudden death and sudden birth using extended Werner-like states is observed. Entanglement is ... إقراء المزيد

2016 | الكلمات المفتاحية Thomson model, non-euclidean geometries,
Generalized Thomson problem in arbitrary dimensions and non-euclidean geometries
Systems of identical particles with equal charge are studied under a special type of confinement. These classical particles are free to move inside some convex region S">S and on the boundary of it Ω">Ω (the Sd−1−">Sd−1−sphere, in our case). We shall show how particles arrange themselves under the sole action of the Coulomb repulsion in many dimensions in the usual ... إقراء المزيد

2016 | الكلمات المفتاحية q-Frobenius, Euler polynomials, SYM,
Theorems on q-Frobenius-Euler polynomials under Sym (4)
in this paper, we perform a further investigation for the q-Frobenius-Euler polynomials, and we establish some new symmetric identities which are derived from the fermionic p-adic integral on Z p. The results derived here are corresponding formulas involving symmetric group of degree four. إقراء المزيد

2015 | الكلمات المفتاحية analytical solution, Quantum Rabi Model,
Analytical Solution of The Two-Qubit Quantum Rabi Model
In this paper, an analytical solution of the two-qubit Rabi model for the general case is presented. Furthermore, a comparison between the information entropies and the Von Neumann entropy $(\rho_{A})$ is given for some special values of the qubit-photon coupling constants in case of the detuning parameters. It is demonstrated that oscillations of the occupation probabilities $\rho_{11}, \rho_{22}, \rho_{33}$ and ... إقراء المزيد

2015 | الكلمات المفتاحية time dependent coupling, squeezing parameter,
Effects of squeezing parameter and time dependent coupling on the evalution of the entanglement between two -level atoms
In this article we consider the interaction between two two-level atoms and a squeezed field mode. The atom-atom entanglement is discussed by the evolution of the concurrence. von Neumann entropy is used for studying the dynamical behavior of the nonlocal correlation between the squeezed field and two atoms. It is found that the squeeze parameter, atomic motion though the velocity ... إقراء المزيد

2015 | الكلمات المفتاحية entropic inequalities, Entanglement, Locality, Bell inequalities,
Locality and classicality: role of entropic inequalities
The use of the so-called entropic inequalities is revisited in the light of new quantum correlation measures, specially nonlocality. We introduce the concept of _classicality_ as the nonviolation of these classical inequalities by quantum states of several multiqubit systems and compare it with the nonviolation of Bell inequalities, that is, _locality_. We explore—numerically and analytically—the relationship between several other quantum ... إقراء المزيد

2015 | الكلمات المفتاحية Circuit optimization, Quantum cost, Reversible circuit, NCT library,
Improving the quantum cost of NCT-based reversible circuit
We describe a scalable protocol for optimizing the quantum cost of the 3-bit reversible circuits built using NCT library. This technique takes into account a group theory approach. The algorithm analyzes the equivalent quantum circuits obtained by decomposing the reversible circuit to its elementary quantum gates and then applies optimization rules to reduce the number of the used elementary quantum ... إقراء المزيد

2015 | الكلمات المفتاحية realization of quantum, quantum annealing processor,
Efficient realization of quantum search algorithm using quantum annealing processor with a dissipation,
Following experimental work [Nature , 473, 194 (2011) [CrossRef] ], we propose a new physical scheme for perfect implementation of a quantum search algorithm in the presence of qubits dissipation. It is shown that the Grover algorithm is obtained as a special case of the suggested quantum search algorithm. We have generated the quantum gates to realize the required steps ... إقراء المزيد