37 citations · 135 across the 22 of their papers we have counts for
23 papers
Chiral Phase Structure and In-Medium Modifications of Charmed Meson Masses within SU(4) extended Linear-Sigma Models
Nourhan M. Rfeek, Alexandra Friesen, Yuri Kalinovsky +4
We extend the Polyakov-loop-enhanced linear-sigma model to encompass four flavors and utilize it to analyze the light, strange, and charmed meson mass spectrum as it transitions fr…
Sneutrino Tribrid Inflation in Flipped : Confronting ACT DR6 and Planck Observations
Farishta Israr, Mansoor Ur Rehman, Saleh O. Allehabi
We construct a realization of sneutrino tribrid inflation within the -symmetric flipped grand unified theory. A vector-like pair of matter multiplets, $10_V+\overline{10…
Quantum-Conditioned Curvatures in Spacetime Surrounding Kerr-Newmann Black Hole
A. Tawfik, Saleh O. Allehabi, M. Ur Rehman +1
This research examines the possibility whether the curvatures found in conventional General Relativity (GR) are the only existing ones, using both analytical and numerical techniqu…
Stress-Energy Tensor for Modified General Relativity with Quantum-Deformed Metric in Riemann Spacetime
A. Tawfik, Saleh O. Allehabi, A. A. Alshehri +2
The generalized noncommutative Heisenberg algebra, which is based on the generalized uncertainty principle, imposes a minimal length uncertainty on quantum mechanics (QM), on one h…
Reevaluation of Inflationary Dynamics in Extended General Relativity with Perturbatively and Tensorially Structured Conformal Metric
Swapnil K. Singh, Saleh O. Allehabi, Azzah A. Alshehri +2
Based on the conventional metric tensor and driven by a nearly constant energy density, cosmic inflation, characterized by a remarkably accelerated expansion, was proposed as an ea…
Radiatively Corrected Hybrid Inflation: Parameter Scans and Machine Learning with ACT and Future CMB Experiments
Waqas Ahmed, Saleh O. Allehabi, Mansoor Ur Rehman
We investigate a realistic non-supersymmetric hybrid inflation model incorporating right-handed neutrinos and assess its viability in light of recent cosmological observations. At…
Quantum-Deformed Phase-Space Geometry and Emergent Inflation in Effective Four-Dimensional Spacetime
Swapnil Kumar Singh, Saleh O. Allehabi, Azzah A. Alshehri +3
We develop a phase-space approach to quantum-deformed gravity. Reducing it to an effective four-dimensional spacetime structure facilitates reanalyzing cosmic inflation and quantum…
The Derivation of Phase-Space Metric in a Geometric Quantization Approach: General Relativity with Quantized Phase-Space Metric and Relative Spacetime
Kareem Mubaidin, Debarshi Mukherjee, Saleh O. Allehabi +4
Various extensions to Riemann geometry have been proposed since the inception of general relativity (GR). The aim has been and continues to be to construct a quantum and dynamic sp…
Temperature Dependence of the Masses of Various Meson States: A Comparative Study in SU(3) and SU(4) extended Linear-Sigma Model
Alexandra Friesen, Yu. Kalinovsky, Saleh O. Allehabi +3
In the extended Linear-Sigma Model (eLSM), the chiral phase structure of meson states, including pseudoscalars (), scalars (), vectors ($J^{pc}=1^{--}…
Hf ion: Highly Charged Ion for Next-Generation Atomic Clocks and Tests of Fundamental Physics
Saleh O. Allehabi, V. A. Dzuba, V. V. Flambaum
We use advanced computational techniques to study the electronic structure of the Hf ion, with the goal of assessing its potential for use in highly accurate atomic optical…
Revisiting Polynomial Hybrid Inflation: Planck and ACT Compatibility via Radiative Corrections
Waqas Ahmed, Saleh O. Allehabi, Mansoor Ur Rehman
We investigate the impact of one-loop radiative corrections in a non-supersymmetric model of hybrid inflation with a chaotic (polynomial-like) potential,, in…
Tribrid Inflation, Type II Leptogenesis, and Observable Gravitational Waves in
Waqas Ahmed, Saleh O. Allehabi, Farishta Israr +1
We present a concrete realization of tribrid inflation within the framework of the gauge group . In this model, inflation i…
High-accuracy optical clocks with sensitivity to the fine-structure constant variation based on Sm
Saleh O. Allehabi, V. A. Dzuba, V. V. Flambaum
We identify two metastable excited states in Sm highly charged ion as candidates for high accuracy optical clocks. Several atomic properties relevant to optical clock dev…
Prospects for optical clocks combining high sensitivity to new physics with insensitivity to perturbations; the case of Sb, Au, and Hg
Saleh O. Allehabi, V. A. Dzuba, V. V. Flambaum
Our study is motivated by the prospect of several metastable states in the Sb, Au, and Hg ions being used as possible candidates for optical clocks. We cal…
Calculation of the hyperfine structure of Dy, Ho, Cf, and Es
Saleh O. Allehabi, V. A. Dzuba, V. V. Flambaum
A recently developed version of the configuration interaction (CI) method for open shells with a large number of valence electrons has been used to study two heavy atoms, californi…
High-accuracy optical clocks based on group 16-like highly charged ions
Saleh O. Allehabi, S. M. Brewer, V. A. Dzuba +2
We identify laser-accessible transitions in group 16-like highly charged ions as candidates for high-accuracy optical clocks, including S-, Se-, and Te-like systems. For this class…
Atomic clocks highly sensitive to the variation of the fine structure constant based on Hf II, Hf IV, and W VI ions
Saleh O. Allehabi, V. A. Dzuba, V. V. Flambaum
We demonstrate that several metastable excited states in HfII, HfIV and WVI ions may be good clock states since they are sufficiently long-living and are not sensitive to…
Theoretical study of electronic structure of hafnium (Hf, Z=72) and rutherfordium (Rf, Z=104) atoms and their ions: Energy levels and hyperfine structure constants
Saleh O. Allehabi, V. A. Dzuba, V. V. Flambaum
Energy levels, magnetic dipole, and electric quadrupole hyperfine structure of the superheavy element rutherfordium (Rf, =104) and its first three ions are calculated using a co…
Using optical clock transitions in Cu II and Yb III for time-keeping and search for new physics
Saleh O. Allehabi, V. A. Dzuba, V. V. Flambaum
We study the SD and SD transitions in Cu II and the SP transition in Yb III as possible candidates for the optical clock…
Nuclear deformation as a source of the non-linearity of King plot in the Yb ion
Saleh O. Allehabi, V. A. Dzuba, V. V. Flambaum +1
We perform atomic relativistic many-body calculations of the field isotope shifts and calculations of corresponding nuclear parameters for all stable even-even isotopes of Yb i…
Time keeping and searching for new physics using metastable states of Cu, Ag and Au
V. A. Dzuba, Saleh O. Allehabi, V. V. Flambaum +2
We study the prospects of using the electric quadrupole transitions from the ground states of Cu, Ag and Au to the metastable state as clock transitions in optica…
Using isotope shift for testing nuclear theory: the case of nobelium isotopes
Saleh O. Allehabi, V. A. Dzuba, V. V. Flambaum +2
We calculate field isotope shifts for nobelium atoms using nuclear charge distributions which come from different nuclear models. We demonstrate that comparing calculated isotope s…
Theoretical study of electronic structure of erbium and fermium
Saleh O. Allehabi, Jiguang Li, V. A. Dzuba +1
We use a recently developed version of the configuration method for open shells to study electronic structure of erbium and fermium atoms. We calculate excitation energies of odd s…