Academic literature on the topic 'Relativistic compact objects'

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Journal articles on the topic "Relativistic compact objects"

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Mizuno, Yosuke. "GRMHD Simulations and Modeling for Jet Formation and Acceleration Region in AGNs." Universe 8, no. 2 (2022): 85. http://dx.doi.org/10.3390/universe8020085.

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Relativistic jets are collimated plasma outflows with relativistic speeds. Astrophysical objects involving relativistic jets are a system comprising a compact object such as a black hole, surrounded by rotating accretion flows, with the relativistic jets produced near the central compact object. The most accepted models explaining the origin of relativistic jets involve magnetohydrodynamic (MHD) processes. Over the past few decades, many general relativistic MHD (GRMHD) codes have been developed and applied to model relativistic jet formation in various conditions. This short review provides a
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Paul, Bikash Chandra, and Rumi Deb. "Relativistic solutions of anisotropic compact objects." Astrophysics and Space Science 354, no. 2 (2014): 421–30. http://dx.doi.org/10.1007/s10509-014-2097-2.

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Mak, M. K., and T. Harko. "Relativistic compact objects in isotropic coordinates." Pramana 65, no. 2 (2005): 185–92. http://dx.doi.org/10.1007/bf02898610.

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Mitra, Abhas, and Krishna Kumar Singh. "Thermal Radiation from Compact Objects in Curved Space-Time." Universe 8, no. 10 (2022): 504. http://dx.doi.org/10.3390/universe8100504.

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We highlight here the fact that the distantly observed luminosity of a spherically symmetric compact star radiating thermal radiation isotropically is higher by a factor of (1+zb)2 compared to the corresponding flat space-time case, where zb is the surface gravitational redshift of the compact star. In particular, we emphasize that if the thermal radiation is indeed emitted isotropically along the respective normal directions at each point, this factor of increment (1+zb)2 remains unchanged even if the compact object would lie within its photon sphere. Since a canonical neutron star has zb≈0.1
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Gallo, Emanuel, and Osvaldo M. Moreschi. "Modeling the dynamics of black holes through balanced equations of motion." International Journal of Geometric Methods in Modern Physics 16, no. 03 (2019): 1950034. http://dx.doi.org/10.1142/s0219887819500348.

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We present a general approach for the formulation of equations of motion for astrophysical compact objects in general relativistic theories. The objects are modeled as relativistic particles, which are assumed to be moving in a geometric background which in turn is asymptotically flat. The background can be affected by the compact object; so that our approach can be applied to binary systems; by concentrating on the main contributions coming from back reaction effects due to gravitational radiation. Our premises are different from the traditional post-Newtonian and self-force approaches since
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CHATTOPADHYAY, PRADIP KUMAR, RUMI DEB, and BIKASH CHANDRA PAUL. "RELATIVISTIC SOLUTION FOR A CLASS OF STATIC COMPACT CHARGED STAR IN PSEUDO-SPHEROIDAL SPACETIME." International Journal of Modern Physics D 21, no. 08 (2012): 1250071. http://dx.doi.org/10.1142/s021827181250071x.

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Considering Vaidya–Tikekar metric, we obtain a class of solutions of the Einstein–Maxwell equations for a charged static fluid sphere. The physical 3-space (t = const. ) here is described by pseudo-spheroidal geometry. The relativistic solution for the theory is used to obtain models for charged compact objects; thereafter, a qualitative analysis of the physical aspects of compact objects are studied. The dependence of some of the properties of a superdense star on the parameters of the three geometry is explored. We note that the spheroidicity parameter a plays an important role for determini
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EKŞİ, Kazım Yavuz. "Neutron stars: compact objects with relativistic gravity." TURKISH JOURNAL OF PHYSICS 40 (2016): 127–38. http://dx.doi.org/10.3906/fiz-1510-11.

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Modrekiladze, Beka, Ira Z. Rothstein, and Jordan Wilson-Gerow. "On the motion of compact objects in relativistic viscous fluids." Journal of Cosmology and Astroparticle Physics 2025, no. 04 (2025): 014. https://doi.org/10.1088/1475-7516/2025/04/014.

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Abstract We present a world-line effective field theory of compact objects moving relativistically through a viscous fluid. The theory is valid when velocity gradients are small compared to the inverse size of the object. Working within the EFT eliminates the need to solve a boundary value problem by turning all interactions between the fluid and the object into a source term in the action. We use the EFT to derive the relativistic equations of motion for a compact object immersed in a viscous fluid in a curved background, when the relative velocity of the object and the fluid is small compare
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Sharif, M., and Arfa Waseem. "Charged compact objects in f(R,T) gravity." International Journal of Modern Physics D 28, no. 02 (2019): 1950033. http://dx.doi.org/10.1142/s0218271819500330.

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This paper analyzes the effects of charge on the nature of relativistic compact star candidates with anisotropic distribution in the framework of [Formula: see text] gravity. For this purpose, we consider Krori–Barua solutions and obtain the values of unknown constants as well as charge using observational data of Her X-1, 4U1820-30 and SAX J 1808.4-3658 star models. For three viable [Formula: see text] models, we investigate the behavior of energy density, transverse as well as radial pressures in the interior geometry of these stars. The validity of energy conditions, effect of anisotropic f
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Chevalier, Roger A. "Compact Objects in Supernova Remnants." International Astronomical Union Colloquium 145 (1996): 399–406. http://dx.doi.org/10.1017/s0252921100008253.

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Core collapse in very massive stars can lead to a central black hole that swallows the rest of the star and in less massive stars to a central neutron star and explosion. There is probably an intermediate mass range that gives an explosion and a central black hole; supernova remnants with no observable central object are candidates. The association of pulsars with Type II supernovae gives an estimate of the pulsar power to be expected in a supernova, but the uncertainty in the initial pulsar periods gives a wide range in possible powers. The relativistic wind bubble model for the Crab Nebula h
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Dissertations / Theses on the topic "Relativistic compact objects"

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Deb, Rumi. "Relativistic solutions of massive compact objects and stellar models in different space-time geometries." Thesis, University of North Bengal, 2018. http://hdl.handle.net/123456789/2685.

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Völkel, Sebastian [Verfasser], and Kostas [Akademischer Betreuer] Kokkotas. "On the Gravitational Wave Spectrum of Compact Relativistic Objects / Sebastian Völkel ; Betreuer: Kostas Kokkotas." Tübingen : Universitätsbibliothek Tübingen, 2020. http://d-nb.info/1212024931/34.

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Efremov, Pavel [Verfasser], Volker [Akademischer Betreuer] Perlick, Volker [Gutachter] Perlick, and Domenico [Gutachter] Giulini. "Relativistic accretion onto compact objects / Pavel Efremov ; Gutachter: Volker Perlick, Domenico Giulini ; Betreuer: Volker Perlick." Bremen : Staats- und Universitätsbibliothek Bremen, 2018. http://d-nb.info/1164151983/34.

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Schroven, Kris Inken [Verfasser], Claus [Akademischer Betreuer] Lämmerzahl, Claus [Gutachter] Lämmerzahl, and Jutta [Gutachter] Kunz. "The Role of Electric Charge in Relativistic Accretion onto Compact Objects : an Analytical Approach / Kris Inken Schroven ; Gutachter: Claus Lämmerzahl, Jutta Kunz ; Betreuer: Claus Lämmerzahl." Bremen : Staats- und Universitätsbibliothek Bremen, 2018. http://d-nb.info/1171420455/34.

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Giraud, Quentin. "Corrections général-relativistes à l’émission radio et haute énergie des pulsars." Thesis, Strasbourg, 2020. http://www.theses.fr/2020STRAE024.

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Les étoiles à neutrons sont des astres extrêmement denses, plus denses qu’un noyau atomique, formés au cours d’une supernova. Un étoile à neutrons typique concentre ainsi une masse supérieure à celle du Soleil dans son diamètre d’une vingtaine de kilomètres. D’après la théorie de la relativité générale, qui décrit la gravité comme une déformation de l’espace-temps, le champ gravitationnel de ces étoiles devrait affecter de manière non négligeable les rayonnements électromagnétiques à proximité de celles-ci. Au cours de ma thèse, j’ai simulé les émissions radio et haute énergie provenant de l’a
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Luz, Paulo Miguel Grilo da. "Compact objects, gravitational collapse and singularities in relativistic theories of gravitation." Doctoral thesis, 2020. http://hdl.handle.net/1822/76574.

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Programa doutoral em Física (MAP-fis)<br>A natureza e a evolução de objetos astrofísicos massivos providenciam uma janela natural para estudar a interação gravitacional; em particular, entender o estado final do colapso gravitacional e a formação de singularidades é um dos problemas fundamentais da física moderna. Nesta tese, iremos estudar vários modelos para objetos compactos e fluidos de matéria em colapso gravitacional no contexto de teorias afins da gravidade, em particular, iremos analisar como a inclusão de torsão no espaço-tempo afeta a estrutura e a dinâmica de objetos compactos ma
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Bauswein, Andreas Ottmar [Verfasser]. "Relativistic simulations of compact object mergers for nucleonic matter and strange quark matter / Andreas Ottmar Bauswein." 2010. http://d-nb.info/1000773221/34.

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Books on the topic "Relativistic compact objects"

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Zdziarski, Andrzej A., and Marek Sikora, eds. Relativistic Hadrons in Cosmic Compact Objects. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/3-540-54789-4.

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Colpi, Monica, Piergiorgio Casella, Vittorio Gorini, Ugo Moschella, and Andrea Possenti, eds. Physics of Relativistic Objects in Compact Binaries: From Birth to Coalescence. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9264-0.

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1954-, Zdziarski Andrzej A., and Sikora Marek, eds. Relativistic hadrons in cosmic compact objects: Proceedings of a workshop held in Koninki/Suhora, Poland, 9-11 October 1990. Springer-Verlag, 1991.

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Physics of relativistic objects in compact binaries: From birth to coalescence. Springer, 2009.

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Zdziarski, Andrzej A. Relativistic Hadrons in Cosmic Compact Objects: Proceedings (Lecture Notes in Physics). Springer, 1992.

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Casella, Piergiorgio, Andrea Possenti, Monica Colpi, Vittorio Gorini, and Ugo Moschella. Physics of Relativistic Objects in Compact Binaries: From Birth to Coalescence. Springer Netherlands, 2014.

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Sikora, Marek, and Andrzej A. Zdziarski. Relativistic Hadrons in Cosmic Compact Objects: Proceedings of a Workshop Held in Koninki/Suhora, Poland 9-11 October 1990. Springer, 2014.

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(Editor), Heon-Young Chang, Chang-Hwan Lee (Editor), Mannque Rho (Editor), and Insu Yi (Editor), eds. Explosive Phenomena in Astrophysical Compact Objects: First KIAS Astrophysics Workshop, Seoul, Korea, 24-27 May 2000 (AIP Conference Proceedings / Astronomy and Astrophysics). American Institute of Physics, 2001.

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Zdziarski, Andrzej A. Relativistic Hadrons in Cosmic Compact Objects: Proceedings of a Workshop Held in Koninki/Suhora, Poland, 9-11 October 1990 (Lecture Notes in Physics). Springer, 1991.

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Book chapters on the topic "Relativistic compact objects"

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Perucho, M., and J. M. Martí. "Physical Parameters in Relativistic Jets from Compact Symmetric Objects." In Highlights of Spanish Astrophysics II. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-017-1776-2_14.

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D'Amico, Nichi, and Marta Burgay. "Perspective in the Search for Relativistic Pulsars." In Physics of Relativistic Objects in Compact Binaries: From Birth to Coalescence. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9264-0_3.

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Heuvel, E. P. J. van den. "The Formation and Evolution of Relativistic Binaries." In Physics of Relativistic Objects in Compact Binaries: From Birth to Coalescence. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9264-0_4.

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Stella, L. "Strong Gravitational Field Diagnostics in Binary Systems Containing a Compact Object." In Physics of Relativistic Objects in Compact Binaries: From Birth to Coalescence. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9264-0_7.

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Damour, Thibault. "Binary Systems as Test-Beds of Gravity Theories." In Physics of Relativistic Objects in Compact Binaries: From Birth to Coalescence. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9264-0_1.

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Kramer, Michael. "Exploiting Binary Pulsars as Laboratories of Gravity Theories." In Physics of Relativistic Objects in Compact Binaries: From Birth to Coalescence. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9264-0_2.

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Colpi, Monica, and Bernadetta Devecchi. "Dynamical Formation and Evolution of Neutron Star and Black Hole Binaries in Globular Clusters." In Physics of Relativistic Objects in Compact Binaries: From Birth to Coalescence. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9264-0_5.

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Lazzati, Davide, and Rosalba Perna. "Short Gamma Ray Bursts: Marking the Birth of Black Holes from Coalescing Compact Binaries." In Physics of Relativistic Objects in Compact Binaries: From Birth to Coalescence. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9264-0_6.

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Israel, Gian Luca, and Simone Dall'Osso. "White Dwarfs in Ultrashort Binary Systems." In Physics of Relativistic Objects in Compact Binaries: From Birth to Coalescence. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9264-0_8.

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Pretorius, Frans. "Binary Black Hole Coalescence." In Physics of Relativistic Objects in Compact Binaries: From Birth to Coalescence. Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9264-0_9.

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Conference papers on the topic "Relativistic compact objects"

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Wu, Kinwah, Steven V. Fuerst, Ye-Fei Yuan, Xiang-Dong Li, and Dong Lai. "General Relativistic Radiative Transfer." In ASTROPHYSICS OF COMPACT OBJECTS: International Conference on Astrophysics of Compact Objects. AIP, 2008. http://dx.doi.org/10.1063/1.2840444.

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van Adelsberg, Matthew, Davide Lazzati, Rosalba Perna, Ye-Fei Yuan, Xiang-Dong Li, and Dong Lai. "Ultra-Relativistic Shockwaves in Arbitrary Continuous Media I." In ASTROPHYSICS OF COMPACT OBJECTS: International Conference on Astrophysics of Compact Objects. AIP, 2008. http://dx.doi.org/10.1063/1.2840431.

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Chatterjee, Sujit. "Large redshifts from compact objects." In RELATIVISTIC ASTROPHYSICS: 20th Texas Symposium. AIP, 2001. http://dx.doi.org/10.1063/1.1419607.

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McKinney, Jonathan C. "General Relativistic Magnetohydrodynamical Models of Relativistic Jets." In THE MULTICOLORED LANDSCAPE OF COMPACT OBJECTS AND THEIR EXPLOSIVE ORIGINS. American Institute of Physics, 2007. http://dx.doi.org/10.1063/1.2774844.

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Spruit, Hendrik. "Relativistic jet production from accreting compact objects." In VI Microquasar Workshop: Microquasars and Beyond. Sissa Medialab, 2007. http://dx.doi.org/10.22323/1.033.0044.

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Tchekhovskoy, Alexander, Jonathan C. McKinney, Ramesh Narayan, and Magnus Axelsson. "Force-free Simulations of Ultra-Relativistic Jets." In COOL DISCS, HOT FLOWS: The Varying Faces of Accreting Compact Objects. AIP, 2008. http://dx.doi.org/10.1063/1.3002510.

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Pelletier, G., Martin Lemoine, and Illya Plotnikov. "Relativistic outflows from compact objects and generation of Astroparticles." In Frontiers of Fundamental Physics 14. Sissa Medialab, 2016. http://dx.doi.org/10.22323/1.224.0033.

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Bakala, Pavel, Eva Šrámková, Zdeněk Stuchlík, Gabriel Török, and Magnus Axelsson. "On magnetic-field induced non-geodesic corrections to the relativistic precession QPO model." In COOL DISCS, HOT FLOWS: The Varying Faces of Accreting Compact Objects. AIP, 2008. http://dx.doi.org/10.1063/1.3002494.

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Jiménez‐Bailón, E., E. Piconcelli, M. Sánchez‐Portal та ін. "XMM‐Newton view of the relativistic Fe Kα feature in the intermediate Seyfert galaxy 4U 1344‐60". У THE MULTICOLORED LANDSCAPE OF COMPACT OBJECTS AND THEIR EXPLOSIVE ORIGINS. American Institute of Physics, 2007. http://dx.doi.org/10.1063/1.2774943.

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Pannikkote, Meghana, Vaidehi S. Paliya, and D. J. Saikia. "UNVEILING GAMMA-RAY-EMITTING FR0 RADIO GALAXIES." In VI Conference on Active Galactic Nuclei and ravitational Lensing. Astronomical Observatory Belgrade, Volgina 7, 11060 Belgrade 38, Serbia, 2024. http://dx.doi.org/10.69646/aob24025.

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Fanaroff-Riley type 0 (FR0) radio galaxies are the latest entry in the jetted active galactic nuclei family. They are characterized by their compact radio morphology and similarities to host galaxy properties of FR I sources. We have recently identified, for the first time, seven gamma-ray emitting FR0s by leveraging the high-resolution radio and optical spectroscopic datasets provided by the ongoing wide-field sky surveys, e.g., the Very Large Array Sky Survey. The subsequent analysis of the multi-wavelength observations reveals the gamma rays to be produced by misaligned jets similar to more
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