73 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- C. Bambi26 · h 50
- J. Rayimbaev2 profiles18 · h 23
- A. Abdujabbarov11 · h 41
- G. Mustafa4 profiles10 · h 35
- B. Ahmedov2 profiles9 · h 42
- Honghui Liu9 · h 13
- Farruh Atamurotov8 · h 37
- M. Koussour3 profiles7 · h 24
- Swarnim Shashank7 · h 7
- Askar B. Abdikamalov2 profiles6 · h 20
- H. Chaudhary6 · h 15
- U. Debnath6 · h 30
- National University of UzbekistanUZ92 papers
- Fudan UniversityCN26 papers
- Ulugh Beg Astronomical InstituteUZ21 papers
- Tashkent Institute of Irrigation and Agricultural Mechanization EngineersUZ15 papers
- Tashkent State Technical University named after Islam KarimovUZ15 papers
- University of TübingenDE12 papers
- Zhejiang Normal UniversityCN12 papers
- Inha University in TashkentUZ9 papers
- L. N. Gumilyov Eurasian National UniversityKZ9 papers
- Harbin Institute of TechnologyCN8 papers
- Westminster International University in TashkentUZ8 papers
- University of Hassan II CasablancaMA7 papers
24 papers · 1 filter
Quasi-normal modes of slowly-rotating Johannsen black holes
Yuhao Guo, Swarnim Shashank, Cosimo Bambi
The detection of gravitational waves with ground-based laser interferometers has opened a new window to test and constrain General Relativity (GR) in the strong, dynamical, and non…
Efficient estimation of error bounds for quantum multiparametric imaging with constraints
Alexander Mikhalychev, Saif Almazrouei, Svetlana Mikhalycheva +3
Advanced super-resolution imaging techniques require specific approaches for accurate and consistent estimation of the achievable spatial resolution. Fisher information supplied to…
NICER Spectral and Timing Analysis of 4U 163047 and its Heartbeat State
Ningyue Fan, James F. Steiner, Cosimo Bambi +3
We present a spectral and timing analysis of NICER observations of the black hole X-ray binary 4U 1630-47 from 2018 to 2024. We find relativistic reflection features in the hard an…
Gauge invariant perturbations in teleparallel Horndeski gravity
Bobomurat Ahmedov, Maria Caruana, Jackson Levi Said +4
We present in the form of a catalogue of the cosmological perturbations within the Bahamonde- Dialektopoulos-Levi Said (BDLS) theory, which serves as the teleparallel counterpart o…
About the accuracy of the relxill/relxill_nk models in view of the next generation of X-ray missions
Honghui Liu, Askar B. Abdikamalov, Temurbek Mirzaev +4
X-ray reflection spectroscopy is a powerful tool to study the strong gravity region of black holes. The next generation of astrophysical X-ray missions promises to provide unpreced…
Spin-dependent localization of spin-orbit and Rabi-coupled Bose-Einstein condensates in a random potential
Swarup K. Sarkar, Sh. Mardonov, E. Ya. Sherman +2
We investigate the effect of the spin-orbit (SO) and Rabi couplings on the localization of the spin-1/2 condensate trapped in a one-dimensional random potential. Our studies reveal…
Gravitational Wave Astronomy With TianQin
En-Kun Li, Shuai Liu, Alejandro Torres-Orjuela +50
The opening of the gravitational wave window has significantly enhanced our capacity to explore the universe's most extreme and dynamic sector. In the mHz frequency range, a divers…
Signature flips in time-varying cosmological models with observational data
Yerlan Myrzakulov, M. Koussour, M. Karimov +1
In this study, we investigate signature flips within the framework of cosmological models featuring a time-varying vacuum energy term . Specifically, we consider the power-la…
Dispersion Characteristics of a Glide-Symmetric Square Patch Metamaterial with Giant Anisotropy
Jim A. Enriquez, Eugene Koreshin, Juan P. Del Risco +2
This paper investigates the dispersion characteristics of a highly anisotropic metamaterial comprised of metal square patches arranged in a glide symmetry pattern and submerged in…
Anisotropy in a wire medium resulting from the rectangularity of a unit cell
Denis Sakhno, Rustam Balafendiev, Pavel A. Belov
The study is focused on the dispersion properties of a wire medium formed by a rectangular lattice of parallel wires at the frequencies close to its plasma frequency. While the eff…
Effect of magnetized plasma on shadow and gravitational lensing of a Reissner-Nordström black hole
Yovqochev Pahlavon, Farruh Atamurotov, Kimet Jusufi +2
We explore the influence of the axion-plasmon on the optical properties of the charged black hole and show how the axion-plasmon coupling modifies the motion of photons around the…
Small cross section of the synthesis of darmstadtium in the Ca+Th reaction
A. K. Nasirov, A. Yusupov, B. M. Kayumov
The smallness of the cross section of evaporation residues formed in the hot fusion reaction Ca+Th is analyzed by the dinuclear system model (DNS). The capture proba…
Exploring late-time cosmic acceleration: A study of a linear cosmological model using observational data
A. Zhadyranova, M. Koussour, S. Bekkhozhayev +2
Understanding the evolution of dark energy poses a significant challenge in modern cosmology, as it is responsible for the universe's accelerated expansion. In this study, we focus…
Constraining study of charged gravastars solutions in symmetric teleparallel gravity
Faisal Javed, Arfa Waseem, G. Mustafa +4
This study explores the effect of charge on a special astronomical object known as a gravastar, which is viewed as an alternative to a black hole. Based on the conjecture put out b…
Cosmological constraints on time-varying cosmological terms: A study of FLRW universe models with CDM cosmology
M. Koussour, N. Myrzakulov, J. Rayimbaev
This paper explores models of the FLRW universe that incorporate a time-varying cosmological term . Specifically, we assume a power-law form for the cosmological term as a fu…
Exploring accelerated expansion in the universe: A study of gravity with parameterized EoS and cosmological constraints
M. Koussour, N. Myrzakulov, J. Rayimbaev +2
The study conducted in this research paper utilizes the gravity, where represents non-metricity and represents the trace of the energy-momentum tensor, to investig…
Numerical parameterization of stationary axisymmetric black holes in a theory agnostic framework
Olzhas Mukazhanov, Rittick Roy, Temurbek Mirzaev +1
The pursuit of a comprehensive theory of gravity has led to the exploration of various alternative models, necessitating a model-independent framework. The Konoplya-Rezzolla-Zhiden…
Impact of reflection Comptonization on X-ray reflection spectroscopy: the case of EXO 1846-031
Songcheng Li, Honghui Liu, Cosimo Bambi +2
Within the disk-corona model, it is natural to expect that a fraction of reflection photons from the disk are Compton scattered by the hot corona (reflection Comptonization), even…
Bouncing behavior in gravity: Phantom crossing and energy conditions
M. Koussour, N. Myrzakulov, Javlon Rayimbaev +2
In this work, we investigate the bouncing behavior of the universe within the framework of gravity, using a simple form of (where is a f…
Phase structures and critical behaviour of rational non-linear electrodynamics AdS black holes in Rastall gravity
Yassine Sekhmani, Dhruba Jyoti Gogoi, Ratbay Myrzakulov +1
This research paper presents a black hole solution with a rational non-linear electrodynamics source in the Rastall gravity framework. The paper analyzes the thermodynamic properti…
Constraining Cosmological Parameters with Viscous Modified Chaplygin Gas and Generalized Cosmic Chaplygin Gas Models in Horava-Lifshitz Gravity: Utilizing Late-time Datasets
Sayani Maity, Himanshu Chaudhary, Ujjal Debnath +2
This study examines accelerated cosmic expansion using the Viscous Modified Chaplygin Gas (VMMG) and Generalized Cosmic Chaplygin Gas (GCCM) within Horava-Lifshitz gravity. Our aim…
Observational Constraints on the Parameters of Hořava-Lifshitz Gravity
Himanshu Chaudhary, Ujjal Debnath, Shibesh Kumar Jas Pacif +3
This study investigates the accelerated cosmic expansion within the Hořava-Lifshitz Model. To constrain the cosmological parameters of this model, we incorporate 17 Baryon Acoustic…
Testing General Relativity with NuSTAR data of Galactic Black Holes : II
Ashutosh Tripathi, Swarnim Shashank, Gitika Mall +1
General relativity predicts the spacetime metric around an astrophysical black hole to be described by the Kerr solution, which is a massive rotating black hole without any residua…
Towards more accurate synthetic reflection spectra: improving the calculations of returning radiation
Temurbek Mirzaev, Shafqat Riaz, Askar B. Abdikamalov +6
We present a new model to calculate reflection spectra of thin accretion disks in Kerr spacetimes. Our model includes the effect of returning radiation, which is the radiation that…