Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Mahmoud Tammam"'
Autor:
Abdel-Baset A. Mohamed, Ahmad N. Khedr, Saeed Haddadi, Atta Ur Rahman, Mahmoud Tammam, Mohammad Reza Pourkarimi
Publikováno v:
Results in Physics, Vol 39, Iss , Pp 105693- (2022)
Nonclassical correlations dynamics of local quantum Fisher information, trace-norm measurement-induced nonlocality, and log-negativity are investigated in a symmetric spin–orbit model. This model is described by a Heisenberg XYZ two-spin system exp
Externí odkaz:
https://doaj.org/article/ac3d4097de2147fe83e2d5657cd92830
Autor:
Ahmad N. Khedr, Ali H. Homid, Abdel-Baset A. Mohamed, Abdel-Haleem Abdel-Aty, Hichem Eleuch, Mahmoud Tammam, Mahmoud Abdel-Aty
Publikováno v:
Results in Physics, Vol 38, Iss , Pp 105619- (2022)
In this work, we demonstrate that the thermal nonclassical correlations can enhance and become more stable under the magnetic field and second-order spin–orbit interaction effect. Also, we show that the local quantum uncertainty measure can reveal
Externí odkaz:
https://doaj.org/article/ef8ff8c098b743c19931c3c6f7b96c44
Autor:
Marian S. Boshra, Raghda R. S. Hussein, Marwa Mohsen, Ahmed A. Elberry, Ahmed E. Altyar, Mahmoud Tammam, Rania M. Sarhan
Publikováno v:
Vaccines, Vol 10, Iss 2, p 292 (2022)
Background: Awareness about the COVID-19 vaccine’s adverse effects is crucial for gaining public trust. As we still lack proof of vaccines’ safety, this survey aimed to investigate Egyptians’ general awareness of the Sinopharm and AstraZeneca v
Externí odkaz:
https://doaj.org/article/097a9f991d2348c787bd8b8305fe71ee
Autor:
Ahmad N. Khedr, Abdel-Baset A. Mohamed, Abdel-Haleem Abdel-Aty, Mahmoud Tammam, Mahmoud Abdel-Aty, Hichem Eleuch
Publikováno v:
Entropy, Vol 23, Iss 12, p 1595 (2021)
In the thermodynamic equilibrium of dipolar-coupled spin systems under the influence of a Dzyaloshinskii–Moriya (D–M) interaction along the z-axis, the current study explores the quantum-memory-assisted entropic uncertainty relation (QMA-EUR), en
Externí odkaz:
https://doaj.org/article/7e9dfebab4f84db59df45e2f6858d2ea
Publikováno v:
Journal of Radiation Research and Applied Sciences, Vol 7, Iss 1, Pp 80-94 (2014)
The natural radiation level has been determined for 135 sediment samples from forty-six drinking water purification plants supplied from different sources (Nile River, Ibrahimia Canal and Bahr Yousif Canal) aiming to evaluate the radiation hazard. Th
Externí odkaz:
https://doaj.org/article/657c5d0132ab4e3bac9442f8eac6a28c
Publikováno v:
Quantum Information Processing. 22
Autor:
Marian S. Boshra, Marwa O. Elgendy, Lamiaa N Abdelaty, Mahmoud Tammam, Abdullah S. Alanazi, Abdulaziz Ibrahim Alzarea, Saud Alsahali, Rania M. Sarhan
Publikováno v:
International Journal of Environmental Research and Public Health; Volume 19; Issue 24; Pages: 16803
Background: This study aimed to evaluate the Egyptian population’s preference and awareness related to available COVID-19 vaccines and to determine different factors that can affect beliefs concerning these vaccines. Methods: A cross-sectional web-
Publikováno v:
International Journal of Quantum Information. 20
We introduce a new framework for quantum two-spin correlations based on a quantum skew information quantity and long-negativity. The quantum correlations for an anisotropic two-qubit Heisenberg [Formula: see text] model are affected by physical param
Autor:
Atef El-Taher, Hashem A. Madkour, H.M.H. Zakaly, M. A. M. Uosif, Shams A.M. Issa, Mahmoud Tammam, Reda Elsaman
Publikováno v:
Journal of Physical Science
The specific activity of 40K, 232Th and 226Ra in marine sediment samples collected from National Institute of Oceanography and Fisheries (NIOF) and Safier Hotel area in Hurghada city (the most important regions in Egypt), were measured by gamma ray s
Publikováno v:
Journal of Quantitative Spectroscopy and Radiative Transfer. 224:147-153
Atomic structure data, electron impact excitations and ionization cross sections of tungsten ions, W 44 + , have been calculated using the multi-configuration Dirac–Fock and R-matrix methods for a set of configurations consists of 3d104s2, 3d104s4l