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14 Results Found

  • Article
  • Open Access
4,346 Views
9 Pages

1 April 2020

In General Relativity, the gravitational field of a spherically symmetric non-rotating body is described by the Schwarzschild metric. This metric is invariant under time reversal, which implies that the power series expansion of the time dilation con...

  • Article
  • Open Access
4 Citations
2,422 Views
14 Pages

15 May 2023

The analysis and measurement of Wigner time delays can provide detailed information about the electronic environment within and around atomic and molecular systems, with one the key differences being the lack of a long-range potential after a halogen...

  • Article
  • Open Access
2 Citations
2,334 Views
16 Pages

EWS Time Delay in Low Energy e−C60 Elastic Scattering

  • Aiswarya R.,
  • Rasheed Shaik,
  • Jobin Jose,
  • Hari R. Varma and
  • Himadri S. Chakraborty

21 March 2024

Access to time delay in a projectile-target scattering is a fundamental tool in understanding their interactions by probing the temporal domain. The present study focuses on computing and analyzing the Eisenbud-Wigner-Smith (EWS) time delay in low en...

  • Article
  • Open Access
3,016 Views
11 Pages

The notion of “relativistic finance” became ingrained in the public imagination and has been asserted in many mass-media reports. However, despite an observed drive of the most reputable Wall Street firms to establish their servers ever closer to the...

  • Article
  • Open Access
6 Citations
4,791 Views
13 Pages

Relativistic Effects on Satellite–Ground Two–Way Precise Time Synchronization

  • Yanming Guo,
  • Yan Bai,
  • Shuaihe Gao,
  • Zhibing Pan,
  • Zibin Han,
  • Decai Zou,
  • Xiaochun Lu and
  • Shougang Zhang

15 October 2021

An ultrahigh precise clock (space optical clock) will be installed onboard a low-orbit spacecraft (a usual expression for a low-orbit satellite operating on an orbit at an altitude of less than 1000 km) in the future, which will be expected to obtain...

  • Article
  • Open Access
825 Views
22 Pages

18 March 2025

Motivated by the need for more accurate radiation environment modeling, this study focuses on identifying and analyzing the drivers behind the sub-relativistic electron flux variations in the inner magnetosphere. We utilize electron flux data between...

  • Article
  • Open Access
2 Citations
2,260 Views
25 Pages

Release Episodes of Electrons and Protons in Solar Energetic Particle Events

  • Vasilis Kolympiris,
  • Athanasios Papaioannou,
  • Athanasios Kouloumvakos,
  • Ioannis A. Daglis and
  • Anastasios Anastasiadis

27 September 2023

We analyzed a sample of 21 solar energetic particle (SEP) events with clear signatures in both near-relativistic electrons and high-energy protons spanning over ∼2.5 solar cycles from 1997 to 2016. We employed velocity dispersion analysis (VDA) f...

  • Article
  • Open Access
226 Views
14 Pages

Combined Lensing in the Vicinity of Neutron Stars with Dipole–Quadrupole Magnetospheres: Nonlinear Electrodynamics with General-Relativistic Ray-Tracing and Observational Implications

  • Kalamkas Astemessova,
  • Medeu Abishev,
  • Nurzada Beissen,
  • Tursynbek Yernazarov,
  • Daulet Berkimbayev,
  • Sulukas Sarsenbayeva,
  • Nurkamal Shynggyskhan,
  • Bekzat Zhumabay and
  • Gulzhan Turlybekova

23 December 2025

We consider a model problem of polarization-dependent light bending and time delays in the vicinity of neutron stars endowed with magnetar-strength magnetic fields (B∼1015G), combining an effective-metric formulation of Heisenberg–Euler non...

  • Article
  • Open Access
1 Citations
2,378 Views
11 Pages

20 November 2022

A method is proposed for describing the dynamics of systems of interacting particles in terms of an auxiliary field, which in the static mode is equivalent to given interatomic potentials, and in the dynamic mode is a classical relativistic composite...

  • Article
  • Open Access
272 Views
14 Pages

9 November 2025

BL Lacertae is not only archetypical of an entire class of jet-dominated active galactic nuclei, blazars, but also one of the most active and rapidly changing objects in this class. In the fall of 2024 (September–November), BL Lacertae underwen...

  • Review
  • Open Access
1 Citations
2,776 Views
18 Pages

17 March 2023

Gravitational lensing is a topic of great application value in the field of astronomy. The properties and research methods of gravitational lensing are closely related to the geometric and relativistic characteristics of the background universe. This...

  • Article
  • Open Access
656 Views
15 Pages

1 May 2025

Under the framework of classical electrodynamics, this article investigates the nonlinear Thomson scattering generated by the cross-collision between a tightly focused linearly polarized Gaussian laser pulse and a relativistic electron through numeri...

  • Article
  • Open Access
12 Citations
4,351 Views
17 Pages

20 December 2023

In solar–terrestrial physics, there is an open question: does a geomagnetic storm affect earthquakes? We expand research in this direction, analyzing the seismic situation after geomagnetic storms (GMs) accompanied by the precipitation of relat...

  • Review
  • Open Access
4 Citations
3,078 Views
13 Pages

27 January 2022

The idea of massive graviton plays a fundamental role in modern physics as a landmark of most scenarios related to modified gravity theories. Limits on graviton mass can be obtained through different methods, using all the capabilities of multi-messe...