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Relevant bibliographies by topics / Magnetosphere electromagnetic phenomenon

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Dissertations / Theses
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Academic literature on the topic 'Magnetosphere electromagnetic phenomenon'

Author: Grafiati

Published: 6 September 2023

Last updated: 31 July 2025

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Journal articles on the topic "Magnetosphere electromagnetic phenomenon"

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Gurevich, A. V., and Yu N. Istomin. "Nonstationary Processes in the Pulsar Magnetosphere." International Astronomical Union Colloquium 128 (1992): 228–31. http://dx.doi.org/10.1017/s0002731600155210.

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AbstractWe investigate several instabilities which give different characteristic times for nonstationary processes. Several instabilities are connected with the mechanism of plasma generation in the polar cap gap region. Another nonstationary process is due to the nonlinear phenomenon arising in the magnetosphere during the propagation of the flux of electromagnetic radiation.

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Savina, O. N., and P. A. Bespalov. "The Response of a Plasma Magnetospheric Maser to Atmospheric Perturbations." Geomagnetism and Aeronomy 62, no. 5 (2022): 555–62. http://dx.doi.org/10.1134/s0016793222050115.

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Abstract The effect of weak external influences associated with infrasonic waves in the ionosphere on the operation of a plasma magnetospheric maser (PMM) is considered. It is shown that if the frequency of infrasonic waves is close to the eigen frequency oscillations of the PMM, then quasi-periodic (QP) electromagnetic VLF emissions with repetition periods of spectral forms of 10–300 s can be excited in radiation belts. It has been found that one of the possible reasons for this phenomenon may be the Q-switching of the magnetospheric resonator due to a change in the coefficient of reflection

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Hakobyan, Hayk, Alexander Philippov та Anatoly Spitkovsky. "Magnetic Energy Dissipation and γ-Ray Emission in Energetic Pulsars". Astrophysical Journal 943, № 2 (2023): 105. http://dx.doi.org/10.3847/1538-4357/acab05.

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Abstract Some of the most energetic pulsars exhibit rotation-modulated γ-ray emission in the 0.1–100 GeV band. The luminosity of this emission is typically 0.1%–10% of the pulsar spin-down power (γ-ray efficiency), implying that a significant fraction of the available electromagnetic energy is dissipated in the magnetosphere and reradiated as high-energy photons. To investigate this phenomenon we model a pulsar magnetosphere using 3D particle-in-cell simulations with strong synchrotron cooling. We particularly focus on the dynamics of the equatorial current sheet where magnetic reconnection an

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Huang, Yu-Chen, Shu-Qing Zhong, and Zi-Gao Dai. "Scattering Cross Sections of Magnetized Particles within Intense Electromagnetic Waves: Application to Fast Radio Bursts." Astrophysical Journal 966, no. 1 (2024): 97. http://dx.doi.org/10.3847/1538-4357/ad39e7.

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Abstract Recently, Beloborodov suggested that there exists a resonance phenomenon between an extremely intense electromagnetic wave and internal magnetized particles. The particles exchange energy with the wave at frequent resonance events and then reach the radiation reaction limit immediately. This process greatly enhances the scattering cross section of the particles. Note that these results only involve an extraordinary (X) mode wave. In this paper, we focus on an intense ordinary (O) mode wave propagating through magnetized particles and compare it with the case of the X-mode wave. Our re

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Lin, Jyh-Woei. "Space Radiation of Solar Storm: A Meeting Report in Taiwan." European Journal of Environment and Earth Sciences 2, no. 6 (2021): 10–11. http://dx.doi.org/10.24018/ejgeo.2021.2.6.202.

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Solar storm was an effect when Sun was active. Solar flares flame released a large amount of energy and caused a large-scale explosion. A large amount of coronal matter was ejected into space by plasma composed of electrons and protons. Their shock waves or magnetic clouds and the earth Magnetic storms generated by the interaction of magnetic fields caused disturbances and squeezing of the earth’s magnetosphere. A solar flare was a phenomenon of solar storm. It had huge eruptions of electromagnetic radiation. The sudden electromagnetic energy traveled with the speed of light. Large solar flare

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Гульельми, Анатолий, Anatol Guglielmi, Александр Потапов, and Alexander Potapov. "Problems of the Pc1 magnetospheric wave theory. A review." Solar-Terrestrial Physics 5, no. 3 (2019): 87–92. http://dx.doi.org/10.12737/stp-53201910.

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The Pc1 ultralow-frequency electromagnetic waves (frequency range 0.2–5 Hz), also known as pearl necklace, are a unique phenomenon in near-Earth space physics. Many properties of pearls remain a mystery, despite the research of prominent cosmophysicists for more than half a century. In the proposed review, we briefly outline the main points of the so-called standard model, which is widely used to interpret Pc1. Next, we focus on the criticism of the standard model and on the identification of open problems in the Pc1 theory. The general conclusion is that it is necessary to develop new ideas o

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Гульельми, Анатолий, Anatol Guglielmi, Александр Потапов, and Alexander Potapov. "Problems of the Pc1 magnetospheric wave theory. A review." Solnechno-Zemnaya Fizika 5, no. 3 (2019): 102–9. http://dx.doi.org/10.12737/szf-53201910.

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The Pc1 ultralow-frequency electromagnetic waves (frequency range 0.2–5 Hz), also known as pearl necklace, are a unique phenomenon in near-Earth space physics. Many properties of pearls remain a mystery, despite the research of prominent cosmophysicists for more than half a century. In the proposed review, we briefly outline the main points of the so-called standard model, which is widely used to interpret Pc1. Next, we focus on the criticism of the standard model and on the identification of open problems in the Pc1 theory. The general conclusion is that it is necessary to develop new ideas o

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Leto, P., C. Trigilio, C. S. Buemi та ін. "The auroral radio emission of the magnetic B-type star ρ OphC". Monthly Notices of the Royal Astronomical Society: Letters 499, № 1 (2020): L72—L76. http://dx.doi.org/10.1093/mnrasl/slaa157.

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ABSTRACT The non-thermal radio emission of main-sequence early-type stars is a signature of stellar magnetism. We present multiwavelength (1.6–16.7 GHz) ATCA measurements of the early-type magnetic star ρ OphC, which is a flat-spectrum non-thermal radio source. The ρ OphC radio emission is partially circularly polarized with a steep spectral dependence: the fraction of polarized emission is about $60{{\ \rm per\ cent}}$ at the lowest frequency sub-band (1.6 GHz) while is undetected at 16.7 GHz. This is clear evidence of coherent Auroral Radio Emission (ARE) from the ρ OphC magnetosphere. Inter

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Gorishnya, Yu. "OBSERVATION OF TWEEK-ATMOSPHERICS AFTER SOLAR FLARES AT THE "AKADEMIK VERNADSKY" UKRAINIAN ANTARCTIC STATION." Sciences of Europe, no. 128 (November 8, 2023): 72–78. https://doi.org/10.5281/zenodo.10081935.

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Tweek-atmospherics (tweeks), along with radio transmission by VLF radio stations, are used to study the lower ionosphere. Electromagnetic pulse radiation, which has been excited by the lightning discharges, has a maximum spectral density at extra low frequencies range (ELF, 300...3000 Hz) and very low frequencies (VLF, 3...30 kHz). The Earth-ionosphere cavity serves as a waveguide for electromagnetic waves in these frequency ranges. On the spectrogram of the tweek, the initial part is a linearly polarized broadband signal, and then a number of individual harmonics are observed. Their instantan

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Andrievsky, S. M. "AN ENIGMA OF THE PRZYBYLSKI STAR." Odessa Astronomical Publications 35 (December 14, 2022): 13–17. http://dx.doi.org/10.18524/1810-4215.2022.35.268673.

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A new scenario to explain the Przybylski star phenomenon is proposed. It is based on the supposition that this star is a component of a binary system with a neutron star (similar to the hypothesis proposed earlier by Gopka, Ul’yanov & Andrievskii). The main difference with previous scenario is as following. The orbits of the stars of this system lie in the plane of the sky (or very close to this plane). Thus, we see this star (and its companion) nearly polar-on, and therefore we cannot detect the orbital motion (spectral line based) from the Przybylski star spectrum. In relation to the Prz

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Dissertations / Theses on the topic "Magnetosphere electromagnetic phenomenon"

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Maurya, Ajeet Kumar. "ELF/VLF wave studies of ionosphere and magnetosphere electromagnetic phenomenon in low latitude region." Thesis, Indian Institute of Geomagnetism, Mumbai, 2013. http://localhost:8080/xmlui/handle/123456789/212.

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A thesis submitted to the university of Mumbai for the Ph. D.(Science) degree in Physics under the guidance of Dr. Rajesh Singh.<br>The present study provides the first detail description of morphological features of tweek radio atmospherics recorded at low latitude (L<1.3) Indian stations and their application in monitoring D-region or lower ionosphere during solar quiet (transition period of solar cycle 23 and 24) and eclipse conditions. This dissertation is also focused on long standing problem of propagation mechanism of low latitude whistlers. This work helps in advancing our knowledge of

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Upadhyay, Aditi. "Comprehensive study of electromagnetic ion cyclotron (EMIC) waves and associated phenomenon in the earth's magnetosphere." Thesis, IIG, 2022. http://library.iigm.res.in:8080/xmlui/handle/123456798/333.

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Conference papers on the topic "Magnetosphere electromagnetic phenomenon"

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TOJIEV, S. R., V. S. MOROZOVA, B. J. AHMEDOV, and H. E. ESHKUVATOV. "ELECTROMAGNETIC STUDIES OF IONOSPHERIC AND MAGNETOSPHERIC PERTURBATIONS ASSOCIATED WITH THE EARTH, ATMOSPHERIC AND ASTROPHYSICAL PHENOMENA." In Proceedings of the 13th Regional Conference. World Scientific Publishing Company, 2012. http://dx.doi.org/10.1142/9789814417532_0019.

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Reports on the topic "Magnetosphere electromagnetic phenomenon"

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BARKHATOV, NIKOLAY, and SERGEY REVUNOV. A software-computational neural network tool for predicting the electromagnetic state of the polar magnetosphere, taking into account the process that simulates its slow loading by the kinetic energy of the solar wind. SIB-Expertise, 2021. http://dx.doi.org/10.12731/er0519.07122021.

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The auroral activity indices AU, AL, AE, introduced into geophysics at the beginning of the space era, although they have certain drawbacks, are still widely used to monitor geomagnetic activity at high latitudes. The AU index reflects the intensity of the eastern electric jet, while the AL index is determined by the intensity of the western electric jet. There are many regression relationships linking the indices of magnetic activity with a wide range of phenomena observed in the Earth's magnetosphere and atmosphere. These relationships determine the importance of monitoring and predicting ge

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