2011
DOI: 10.1007/s10509-011-0912-6
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Spin down of rotating compact magnetized strange stars in general relativity

Abstract: We find that in general relativity slow down of the pulsar rotation due to the magnetodipolar radiation is more faster for the strange star with comparison to that for the neutron star of the same mass. Comparison with astrophysical observations on pulsars spindown data may provide an evidence for the strange star existence and, thus, serve as a test for distinguishing it from the neutron star.

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Cited by 9 publications
(8 citation statements)
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“…The electromagnetic radiation and the gravitational radiation exert negative torques ∝ ν 3 and ∝ ν 5 respectively on the compact star (Ghosh 1995;Bildsten 1998). These two latter mecha- nisms can also work for strange stars (Ahmedov et al 2012;Andersson et al 2002).…”
Section: Discussionmentioning
confidence: 99%
“…The electromagnetic radiation and the gravitational radiation exert negative torques ∝ ν 3 and ∝ ν 5 respectively on the compact star (Ghosh 1995;Bildsten 1998). These two latter mecha- nisms can also work for strange stars (Ahmedov et al 2012;Andersson et al 2002).…”
Section: Discussionmentioning
confidence: 99%
“…, n = 1, 2, 3, ... , (15) and in what follows we will focus on the scenario in which L can be of the order of the gravitational radius of the system, hence also of the order of the stellar radius R. Note that the scaling factor is always greater than 1 (S ≥ 1). This means, without doing any calculations, one can conclude that the magnetic field of the compact star decreases in the conformal gravity.…”
Section: The Vacuum Electromagnetic Fields Of a Rotating Magnetizmentioning
confidence: 99%
“…The electromagnetic signal detected from radio pulsars is mainly due the to the magneto-dipolar radiation from the rotating magnetized compact star. The energy loss due to the electromagnetic radiation causes the spin-down of the rotating relativistic star [9][10][11][12][13][14][15][16][17]. The structure of the pulsar magnetosphere and related astrophysical processes have been widely studied in literature, see e.g.…”
Section: Introductionmentioning
confidence: 99%
“…Nesta dissertação, mostramos que os resultados da não linearidade são modelo-independentes e aplicáveis a qualquer eletrodinâmica não linear, onde invariâncias U(1), Lorentz, C, P, T são respeitadas, incluindo QED. Tomando a aproximação de limite infravermelho, podemos levar em conta sistemas físicos onde as correções quânticas propostas nessa dissertação são veri…cadas, como, por exemplo, o campo produzido por estrelas de quarks [25] e por pulsares [7] e [19]. Se este campo é su…cientemente forte, mas ainda abaixo do valor crítico de Schwinger e=m 2 , a não linearidade é causada pelo espalhamento fóton por fóton (i.e., expalhamento de vértices de quatro fótons).…”
Section: Conclusãounclassified
“…Entretanto, quando levamos em conta um campo externo de fundo nulo, o diagrama de fótons com 4-vértices (espalhamento fótonpor-fóton) é o mecanismo responsável pela não linearidade. Este efeito magneto-elétrico tem sido veri…cado em estudos recentes sobre estrelas de quarks fortemente magnetizadas [7].…”
Section: Capítulo 2 Introduçãounclassified