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  1. What is the hard spectral state in X-ray binaries? Insights from GRRMHD accretion flows simulations and polarization of their X-ray emission

    X-ray binaries are known to exhibit different spectral states which are often associated with different black hole accretion modes. The exact...

    M. Moscibrodzka in Astrophysics and Space Science
    Article Open access 09 July 2024
  2. Interpolated Fast Damped Multichannel Singular Spectrum Analysis for Deblending of Off-the-Grid Blended Data

    Blended acquisition offers significant cost and period reduction in seismic data acquisition. However, fired blended sources are usually deployed at...

    Zhuowei Li, Jiawen Song, ... Benfeng Wang in Surveys in Geophysics
    Article 09 July 2024
  3. Oblique corrections when \(m_W \ne m_Z \cos {\theta _W}\) at tree level

    The parametrization of the oblique corrections through S , T , and U – later extended by V , W and X – is a convenient way of comparing the predictions...

    Simonas Draukšas, Vytautas Dūdėnas, Luís Lavoura in Pramana
    Article 08 July 2024
  4. Orbital analysis in the gravitational potential of elongated asteroids

    This work studies the motion around irregular elongated asteroids through two approaches. Firstly, it revisits the dipole-segment model, identifying...

    José D. Gutiérrez, Eva Tresaco, Andrés Riaguas in Astrophysics and Space Science
    Article Open access 08 July 2024
  5. The Third Type of Dynamics and Poincaré Homoclinic Trajectories

    We present a review of some fundamental results in the theory of dynamical systems, which have led to the discovery of dynamical chaos and its three...

    S. V. Gonchenko, A. S. Gonchenko, K. E. Morozov in Radiophysics and Quantum Electronics
    Article 08 July 2024
  6. Universal relations of dyonic ModMax and Taub-NUT black holes thermodynamics and central charge

    In this paper, we studied the thermodynamic quantities of dyonic ModMax and Taub-NUT black holes (BHs) to investigate their universal relations, viz....

    F Khosravani, J Sadeghi, S Noori Gashti in Pramana
    Article 08 July 2024
  7. Application of Spectral Analysis for Diagnostics of Precision Motion of Optical and Mechanical Units

    We perform spectral studies of the vibrational phenomena which are caused by imperfection of the optical and mechanical units used in the...

    A. V. Kirsanov, I. V. Kuz’min, ... V. V.Chernov in Radiophysics and Quantum Electronics
    Article 06 July 2024
  8. Formation and Parametric Amplification of Femtosecond Pulses with a Central Wavelength of 910nm Using Radiation from a Subpicosecond Ytterbium Laser

    We use the methods of supercontinuum generation and nonlinear parametric transformations to develop a laser system that forms femtosecond pulses with...

    K. A. Glushkov, I. B. Mukhin in Radiophysics and Quantum Electronics
    Article 06 July 2024
  9. Weibel Instability in the Presence of an External Magnetic Field: Analytical Results

    We perform dispersion analysis of the Weibel-type electron instability in collisionless bi-Maxwellian plasma with an external magnetic field aligned...

    N. A. Emelyanov, Vl. V. Kocharovsky in Radiophysics and Quantum Electronics
    Article 06 July 2024
  10. Cosmological Neutrinos and Their Influence on the Evolution of the Universe

    Being one of the most mysterious particles of the Standard Model, neutrinos have opened up new opportunities for astrophysical research. The high...

    A. V. Ivanchik, O. A. Kurichin, V. Yu. Yurchenko in Radiophysics and Quantum Electronics
    Article 05 July 2024
  11. Frozen orbits around a variable mass

    Our work is concerning to find the frozeen orbit conditions for the motion about an oblate varying mass centeral body. The Hamiltonians due to the...

    M. I. El-Saftawy, F. A. Abd El-Salam, M. A. Yousef in Discover Space
    Article Open access 05 July 2024
  12. Quantum mechanics, radiation, and the equivalence proof

    This paper re-evaluates the formative year of quantum mechanics—from Heisenberg’s first paper on matrix mechanics to Schrödinger’s equivalence...

    Alexander Blum, Martin Jähnert in Archive for History of Exact Sciences
    Article Open access 05 July 2024
  13. Merging and Strip** Regimes in Close Pairs of Relativistic Stars: Prospects for Models of Short Gamma-Ray Bursts

    We consider the current status of the binary neutron star strip** model to explain short gamma-ray bursts. After the historical joint detection of...

    A. V. Yudin, S. I. Blinnikov, ... M. Sh. Potashov in Radiophysics and Quantum Electronics
    Article 05 July 2024
  14. Energy and charge radii of Li isotopes in a two-body configuration

    The study of the static properties of isotopes, such as ground-state energy of the system and the energy spectra, electric quadrupole, as well as...

    Nasrin Malekinezhad, Mohammadreza Shojaei, Cristian Massimi in Pramana
    Article 04 July 2024
  15. Uncertain effects of thermal radiation and magnetic field in the micropolar fluid flow through porous channel walls with hybrid nanoparticles

    This work considers a micropolar hybrid nanofluid flow through a resistive porous media between channel walls to study the uncertain effects of...

    Ajay Kumar, Ramakanta Meher in Pramana
    Article 04 July 2024
  16. Monte Carlo solution of the reflected systems’ criticality problems with Anlı–Güngör, Inönü and tetra-anisotropic kernels for both fission and scattered neutrons

    Different deterministic solution methods are being used to solve the criticality problem of the reflected systems with different anisotropic...

    Bahram R Maleki in Pramana
    Article 04 July 2024
  17. Ephemeris accuracy improvement for moons of gas giants: a deep learning based method

    Ephemerides accuracy of gas giant planetary system is of paramount importance in astronomical research, planetary exploration missions, and space...

    **aotao Guo, Yu Jiang, Yongjie Liu in Discover Space
    Article Open access 03 July 2024
  18. Interactive Mixed Reality Methods for Visualization of Underground Utilities

    This research aims to overcome the difficulties associated with visualizing underground utilities by proposing six interactive visualization methods...

    Mohamed Zahlan Abdul Muthalif, Davood Shojaei, Kourosh Khoshelham in PFG – Journal of Photogrammetry, Remote Sensing and Geoinformation Science
    Article Open access 03 July 2024
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