Analysis of the Conformally Flat Approximation for Binary Neutron Star Initial Conditions by In-Saeng Suh, Grant J. Mathews, J. Reese Haywood, N. Q. Lan

“…We illustrate the use of this approximation for orbiting neutron stars in the quasicircular orbit approximation to demonstrate the equation of state dependence of these initial conditions and how they might affect the emergent gravitational wave frequency as the stars approach the innermost stable circular orbit.…”
Get full text

Multi-messenger probes of asteroid mass primordial black holes: Superradiance spectroscopy, Hawking radiation, and microlensing by James B. Dent, Bhaskar Dutta, Tao Xu

“…Further complementarity from a stochastic gravitational-wave background emerging from the black hole formation mechanism is also considered.…”
Get full text

Singlet-doublet fermionic dark matter in gauge theory of baryons by Taramati, Rameswar Sahu, Utkarsh Patel, Kirtiman Ghosh, Sudhanwa Patra

“…We show that the model offers a viable parameter space for a cosmologically consistent DM candidate that can be probed through direct detection searches, collider experiments, and gravitational wave (GW) experiments.…”
Get full text

Gravitational echoes from braneworlds by Chun-Chun Zhu, Jing Chen, Wen-Di Guo, Yu-Xiao Liu

“…Furthermore, we can restrict the parameters of the braneworld by calculating the strength of the first gravitational echo and using the current gravitational wave data.…”
Get full text

New models of quintessential inflation featuring plateau and hilltop potentials by Swagat S. Mishra, Varun Sahni

“…A forecast for the gravitational wave background generated in these models is provided.…”
Get full text

Electroweak phase transition in two scalar singlet model with pNGB dark matter by Dilip Kumar Ghosh, Koustav Mukherjee, Shourya Mukherjee

“…Moreover, we delve into the gravitational wave signatures associated with this framework, offering valuable insights that complement traditional dark matter direct and indirect detection methods.…”
Get full text

Quasinormal modes and GUP-corrected Hawking radiation of BTZ black holes within modified gravity frameworks by Faizuddin Ahmed, Ahmad Al-Badawi, İzzet Sakallı, Abdelmalek Bouzenada

“…The study concludes that modified gravity parameters significantly influence QNM frequencies and effective potential profiles, offering insights into black hole stability and suggesting that these theoretical predictions may be tested through gravitational wave observations.…”
Get full text

Reduction of absorption of Ta2O5 monolayers through the suppression of structural defects by employing an appropriate ionic oxygen concentration by Lin Wang, Weili Zhang, Ruijin Hong, Kun Wang, Menglei Wang, Qinmin Wang, Kui Yi, Jianda Shao

“…Abstract Ultralow-absorption laser films have critical applications in high-power continuous-laser and gravitational-wave-detection systems. During film deposition, the ionic oxygen concentration significantly affects the absorption loss of the film. …”
Get full text

Gravitational odd-parity perturbation of a Horndeski hairy black hole: quasinormal mode and parameter constraint by Zhen-Hao Yang, Yun-He Lei, Xiao-Mei Kuang, Bin Wang

“…Abstract During the binary black hole coalescence, gravitational waves emitted at the ringdown stage can be well described by black hole perturbation theory, where the quasinormal modes (QNMs) become the important ingredient in modeling the pattern waveform. …”
Get full text

Simulation analysis of radiometer effect and outgassing based on molecular particle source perturbation by Wenyan Zhang, Zuolei Wang, Jian Min, Yi Wang, Jungang Lei, Yunpeng Li, Dongxue Xi

“…Abstract The Laser Interferometer Space Antenna (LISA) mission is designed to detect space gravitational wave sources in the millihertz band. A critical factor in the success of this mission is the residual acceleration noise metric of the internal test mass (TM) within the ultra-precise inertial sensors. …”
Get full text

Analytical and Numerical Methods for Circumbinary Disk Dynamics. II. Inclined Disks by Michal Pirog, Siddharth Mahesh, Sean T. McWilliams

“…These findings have implications for understanding both the expected gravitational-wave signal and electromagnetic counterparts from supermassive black hole binaries.…”
Get full text

X-ray pulsed light curves of highly compact neutron stars as probes of scalar–tensor theories of gravity by Tulio Ottoni, Jaziel G. Coelho, Rafael C. R. de Lima, Jonas P. Pereira, Jorge A. Rueda

“…Consequently, scalar parameters might be better constrained when uncertainties in NS radii decrease, where this could occur with the advent of next-generation gravitational wave detectors, such as the Einstein Telescope and LISA, as well as future electromagnetic missions like eXTP and ATHENA. …”
Get full text

Black Hole Accretion and Spin-up through Stellar Collisions in Dense Star Clusters by Fulya Kıroğlu, Kyle Kremer, Sylvia Biscoveanu, Elena González Prieto, Frederic A. Rasio

“…Dynamical interactions in dense star clusters could significantly influence the properties of black holes, leaving imprints on their gravitational-wave signatures. While previous studies have mostly focused on repeated black hole mergers for spin and mass growth, this work examines the impact of physical collisions and close encounters between black holes and (noncompact) stars. …”
Get full text

Retracing the Cold Plasma Dispersion Law in Pulsar B0329+54: New Insights into Frequency-dependent Dispersion Measures by Shyam S. Sharma, Tetsuya Hashimoto, Tomotsugu Goto, Shotaro Yamasaki, Simon C.-C. Ho

Get full text

Improving the Determination of Supernova Cosmological Redshifts by Using Galaxy Groups by Erik R. Peterson, Bastien Carreres, Anthony Carr, Daniel Scolnic, Ava Bailey, Tamara M. Davis, Dillon Brout, Cullan Howlett, David O. Jones, Adam G. Riess, Khaled Said, Georgie Taylor

Get full text

Dynamics of Cylindrical Collapse in Palatini Gravity by Sana Saleem, Rubab Manzoor, S. A. Mardan, Sundas Shahzadi

“…Lastly, we investigate the correlation between dark matter and gravitational waves and find that exotic terms disrupt the transmission of gravitational waves. …”
Get full text

Multimessengers from Core-Collapse Supernovae: Multidimensionality as a Key to Bridge Theory and Observation by Kei Kotake, Tomoya Takiwaki, Yudai Suwa, Wakana Iwakami Nakano, Shio Kawagoe, Youhei Masada, Shin-ichiro Fujimoto

“…The only means to get direct information about the supernova engine is from observations of neutrinos emitted by the forming neutron star, and through gravitational waves which are produced when the hydrodynamic flow or the neutrino flux is not perfectly spherically symmetric. …”
Get full text

Propagating Degrees of Freedom in f(R) Gravity by Yun Soo Myung

“…We have computed the number of polarization modes of gravitational waves propagating in the Minkowski background in f(R) gravity. …”
Get full text

Spacetime Junctions and the Collapse to Black Holes in Higher Dimensions by Filipe C. Mena

“…The vacuum exterior solutions are either static or containing gravitational waves. We then review the global geometrical properties of the matched solutions which, besides black holes, may include the existence of naked singularities and wormholes. …”
Get full text

Axial Symmetry Cosmological Constant Vacuum Solution of Field Equations with a Curvature Singularity, Closed Time-Like Curves, and Deviation of Geodesics by Faizuddin Ahmed, Bidyut Bikash Hazarika, Debojit Sarma

“…We wish to discuss the physical properties and show that this solution can be interpreted as gravitational waves of Coulomb-type propagate on anti-de Sitter space backgrounds. …”
Get full text