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Gravitational lensing and shadow by a Schwarzschild-like black hole in metric-affine bumblebee gravity.

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Title: Gravitational lensing and shadow by a Schwarzschild-like black hole in metric-affine bumblebee gravity.
Authors: Gao, Xiao-Jun1,2 (AUTHOR) gaoxiaojun@gznu.edu.cn
Source: European Physical Journal C -- Particles & Fields. Sep2024, Vol. 84 Issue 9, p1-10. 10p.
Subjects: Gravitational lenses, Deflection (Light), Symmetry breaking, Gravitational effects, Bumblebees
Abstract: In this paper, we investigate the gravitational lensing effect and the shadow around a Schwarzschild-like black hole in metric-affine bumblebee gravity, which leads to the Lorentz symmetry breaking. We first present a generalized formalism for calculating higher-order corrections to light weak bending angle in a static, spherically symmetric and not asymptotically flat spacetime, and then applying this general formalism to the metric-affine bumblebee gravity. Moreover, we derive the light deflection angle and the size of the Einstein ring within the weak field in this scenario. In addition, we analyze the black hole shadow in this theory framework. By using observational data from the Einstein's ring of the galaxy ESO325-G004 and the black hole shadow of the M 87 galaxy, we estimate the upper bounds of the Lorentz symmetry breaking coefficient ℓ , respectively. [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Gravitational lensing and shadow by a Schwarzschild-like black hole in metric-affine bumblebee gravity.
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  Data: <searchLink fieldCode="AR" term="%22Gao%2C+Xiao-Jun%22">Gao, Xiao-Jun</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> gaoxiaojun@gznu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+C+--+Particles+%26+Fields%22">European Physical Journal C -- Particles & Fields</searchLink>. Sep2024, Vol. 84 Issue 9, p1-10. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Gravitational+lenses%22">Gravitational lenses</searchLink><br /><searchLink fieldCode="DE" term="%22Deflection+%28Light%29%22">Deflection (Light)</searchLink><br /><searchLink fieldCode="DE" term="%22Symmetry+breaking%22">Symmetry breaking</searchLink><br /><searchLink fieldCode="DE" term="%22Gravitational+effects%22">Gravitational effects</searchLink><br /><searchLink fieldCode="DE" term="%22Bumblebees%22">Bumblebees</searchLink>
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  Label: Abstract
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  Data: In this paper, we investigate the gravitational lensing effect and the shadow around a Schwarzschild-like black hole in metric-affine bumblebee gravity, which leads to the Lorentz symmetry breaking. We first present a generalized formalism for calculating higher-order corrections to light weak bending angle in a static, spherically symmetric and not asymptotically flat spacetime, and then applying this general formalism to the metric-affine bumblebee gravity. Moreover, we derive the light deflection angle and the size of the Einstein ring within the weak field in this scenario. In addition, we analyze the black hole shadow in this theory framework. By using observational data from the Einstein's ring of the galaxy ESO325-G004 and the black hole shadow of the M 87 galaxy, we estimate the upper bounds of the Lorentz symmetry breaking coefficient ℓ , respectively. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1140/epjc/s10052-024-13338-9
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      – Code: eng
        Text: English
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        PageCount: 10
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    Subjects:
      – SubjectFull: Gravitational lenses
        Type: general
      – SubjectFull: Deflection (Light)
        Type: general
      – SubjectFull: Symmetry breaking
        Type: general
      – SubjectFull: Gravitational effects
        Type: general
      – SubjectFull: Bumblebees
        Type: general
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      – TitleFull: Gravitational lensing and shadow by a Schwarzschild-like black hole in metric-affine bumblebee gravity.
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              M: 09
              Text: Sep2024
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            – TitleFull: European Physical Journal C -- Particles & Fields
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