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- Abdus Salam Centre for PhysicsPK11 papers
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9 papers · 1 filter
Atom Optics Quantum Pendulum
Muhammad Ayub, Khalid Naseer, Manzoor Ali +1
We explain the dynamics of cold atoms, initially trapped and cooled in a magneto-optic trap, in a monochromatic stationary standing electromagnetic wave field. In the large detunin…
Charged fermions tunneling from accelerating and rotating black holes
Mudassar Rehman, K. Saifullah
We study Hawking radiation of charged fermions from accelerating and rotation black holes with electric and magnetic charges. We calculate the tunneling probabilities of incoming a…
Tunneling of Dirac particles from accelerating and rotating black holes
Usman A. Gillani, K. Saifullah
Hawking radiation from black holes has been studied as a phenomenon of quantum tunneling of particles through their horizons. We have extended this approach to study the tunneling…
Semileptonic B to Scalar meson Decays in the Standard Model with Fourth Generation
M. Jamil Aslam
We study the effects of the fourth generation of quarks on the total branching ratio and the lepton polarizations in ( = …
discrete symmetry for heavy right-handed neutrinos and degenerate leptogenesis
Riazuddin
The degenerate leptogenesis is studied when the degeneracy in two of the heavy right-handed neutrinos [the third one is irrelevant if symmetry is assumed] is due to $\bar{L}\…
Exact differential and quantum corrections of entropy for axially symmetric black holes
M. Akbar, K. Saifullah
Using the exactness criteria of entropy from the first law of black hole thermodynamics, we study quantum corrections for axially symmetric black holes.