Suggested Topics within your search.
Showing 221 - 240 results of 431 for search '"gravitation"', query time: 0.04s Refine Results
  1. 221

    Dark Matter: A Primer by Katherine Garrett, Gintaras Duda

    Published 2011-01-01
    “…About 80% of the Universe's gravitating matter is nonluminous, and its nature and distribution are for the most part unknown. …”
    Get full text
    Article
  2. 222

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

    Published 2016-01-01
    “…We have computed the number of polarization modes of gravitational waves propagating in the Minkowski background in f(R) gravity. …”
    Get full text
    Article
  3. 223

    Position Control of a 3-CPU Spherical Parallel Manipulator by Massimo Callegari, Luca Carbonari, Giacomo Palmieri, Matteo-Claudio Palpacelli, Donatello Tina

    Published 2013-01-01
    “…The relative simplicity of machine kinematics allowed to test algorithms requiring the closed-loop evaluation of both inverse and direct kinematics; the compensation of gravitational terms has been experimented as well.…”
    Get full text
    Article
  4. 224

    Electroweak Phase Transitions in Einstein’s Static Universe by M. Gogberashvili

    Published 2018-01-01
    “…In this case, strong static gravitational potential leads to the effective reduction of the Higgs vacuum expectation value, which is found to be compatible with the Standard Model first-order electroweak phase transition conditions. …”
    Get full text
    Article
  5. 225

    CPP: a path planning method taking into account obstacle shadow hiding by Ruixin Zhang, Qing Xu, Youneng Su, Ruoxu Chen, Kai Sun, Fengchang Li, Guo Zhang

    Published 2025-01-01
    “…The method also dynamically adjusted step length according to gravitational forces to boost planning efficiency. Additionally, a deformed ellipse-based obstacle avoidance technique was introduced to enhance the vehicle’s ability to navigate around obstacles. …”
    Get full text
    Article
  6. 226

    Radiative properties and QPOs around charged black hole in Kalb–Ramond gravity by Shokhzod Jumaniyozov, Muhammad Zahid, Mirzabek Alloqulov, Inomjon Ibragimov, Javlon Rayimbaev, Sardor Murodov

    Published 2025-02-01
    “…We investigate the event horizon of the black hole spacetime and calculate the effective gravitational mass of the spacetime. Also, we analyze the circular motion of test particles in the black hole spacetime. …”
    Get full text
    Article
  7. 227

    Protocols for Robotic Telescope Networks by Alain Klotz

    Published 2010-01-01
    “…., supernovae, near-earth asteroids, gravitational lensings, and gamma-ray bursts). This paper is addressed to astronomers who are not specialists in computer science. …”
    Get full text
    Article
  8. 228

    Conformal Array Pattern Synthesis and Activated Elements Selection Strategy Based on PSOGSA Algorithm by Bin Sun, Chunheng Liu, Yang Liu, Xiaofang Wu, Yongzhen Li, Xuesong Wang

    Published 2015-01-01
    “…The pattern synthesis and activated element selection for conformal array is investigated based on hybrid particle swarm optimization-gravitational search algorithm (PSOGSA) in this paper. …”
    Get full text
    Article
  9. 229

    A Note on Asymmetric Thick Branes by D. Bazeia, R. Menezes, R. da Rocha

    Published 2014-01-01
    “…We study in addition the nonpolynomial sine-Gordon like model, also constructed with the inclusion of a constant in the standard superpotential, and we investigate gravitational stability of the asymmetric brane. The results suggest robustness of the new braneworld scenarios and add further possibilities of the construction of asymmetric branes.…”
    Get full text
    Article
  10. 230

    Innovative approach for modelling gravity-induced signal path variations of VLBI radio telescopes by Michael Lösler, Cornelia Eschelbach, Ansgar Greiwe, Boye Zhou, Lucia McCallum

    Published 2025-01-01
    “…Abstract Gravitationally induced deformation of the receiving unit of radio telescopes used for Very Long Baseline Interferometry (VLBI) distorts the observations and biases the deduced products. …”
    Get full text
    Article
  11. 231

    Tracking Star-forming Cores as Mass Reservoirs in Clustered and Isolated Regions Using Numerical Passive Tracer Particles by Shingo Nozaki, Hajime Fukushima, Kazuki Tokuda, Masahiro N. Machida

    Published 2025-01-01
    “…These findings highlight the influence of turbulence strength on the mass and gravitational stability of cores.…”
    Get full text
    Article
  12. 232

    Structure of massive gauge/gravity scattering amplitudes, equivalence theorems, and extended double-copy with compactified warped space by Yanfeng Hang, Wei-Wei Zhao, Hong-Jian He, Yin-Long Qiu

    Published 2025-02-01
    “…We present systematic formulations of the gauge theory equivalence theorem (GAET) and the gravitational equivalence theorem (GRET) for warped KK theories in R ξ gauge, where the GAET connects the scattering amplitudes of longitudinal KK gauge bosons to that of the corresponding KK Goldstone bosons and the GRET connects the scattering amplitudes of KK gravitons of helicity-zero (helicity-one) to that of the corresponding gravitational scalar (vector) KK Goldstone bosons. …”
    Get full text
    Article
  13. 233

    Statistical and Dynamical Decoupling of the IGM from Dark Matter by Li-Zhi Fang, Weishan Zhu

    Published 2011-01-01
    “…Although the gravitational field in the universe is dominated by dark matter, cosmological observations show that the statistical properties of cosmic baryonic matter are significantly and systematically decoupled from that of the underlying dark matter. …”
    Get full text
    Article
  14. 234

    Modified Fermions Tunneling Radiation from Nonstationary, Axially Symmetric Kerr Black Hole by Jin Pu, Kai Lin, Xiao-Tao Zu, Shu-Zheng Yang

    Published 2019-01-01
    “…Firstly, the motion equation of fermions is modified in the gravitational space-time. Based on the motion equation, the modified Hamilton-Jacobi equation has been obtained by a semiclassical approximation method. …”
    Get full text
    Article
  15. 235

    On Possible Reduction of Equilibrium Radius of a Neutron Star Influenced by Superstrong Magnetic Field by Vladimir V. Skobelev

    Published 2012-01-01
    “…They can be detected by gravitational red shift of their radiation.…”
    Get full text
    Article
  16. 236

    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

    Published 2017-01-01
    “…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
    Article
  17. 237

    Geometric Josephson junction by Fabiano F. Santos, Henrique Boschi-Filho

    Published 2025-01-01
    “…Abstract In this work, we present a gravitational dual to a constriction Josephson junction constructed from the AdS/BCFT correspondence. …”
    Get full text
    Article
  18. 238

    Noether Gauge Symmetry of Dirac Field in (2 + 1)-Dimensional Gravity by Ganim Gecim, Yusuf Kucukakca, Yusuf Sucu

    Published 2015-01-01
    “…We consider a gravitational theory including a Dirac field that is nonminimally coupled to gravity in 2 + 1 dimensions. …”
    Get full text
    Article
  19. 239

    Middle to Late Jurassic pelagites and gravity mass flow deposits of a displaced Neotethyan margin: Microfacies and biostratigraphical studies in Northeast Hungary by Haas János, Fodor László, Đerić Nevenka, Szives Ottilia, Ozsvárt Péter, Fialowski Melinda, Kövér Szilvia

    Published 2024-01-01
    “…In the Bajocian to early Callovian interval the Recsk area was located at the toe of a coeval carbo nate platform, which provided gravitational mass flows reaching the investigated area. …”
    Get full text
    Article
  20. 240

    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

    Published 2024-12-01
    “…Abstract The strong gravitational potential of neutron stars (NSs) makes them ideal astrophysical objects for testing extreme gravity phenomena. …”
    Get full text
    Article