2021
DOI: 10.1155/2021/5512735
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Dirac Equation on the Kerr–Newman Spacetime and Heun Functions

Abstract: By employing a pseudoorthonormal coordinate-free approach, the Dirac equation for particles in the Kerr–Newman spacetime is separated into its radial and angular parts. In the massless case to which a special attention is given, the general Heun-type equations turn into their confluent form. We show how one recovers some results previously obtained in literature, by other means.

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Cited by 12 publications
(6 citation statements)
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“…Heun-type equations are known to appear in many applications in gravity, especially as solutions of the wave equations [14][15][16][17][18][19][20]. Our present work and the other works in the literature which study the wave equations for the metrics based on the Nutku instanton yield DCH functions as solutions.…”
Section: Introductionmentioning
confidence: 57%
“…Heun-type equations are known to appear in many applications in gravity, especially as solutions of the wave equations [14][15][16][17][18][19][20]. Our present work and the other works in the literature which study the wave equations for the metrics based on the Nutku instanton yield DCH functions as solutions.…”
Section: Introductionmentioning
confidence: 57%
“…[152] and [153], respectively. For the CTNBH [153], the charged Dirac equations [154,155] that govern the behavior of charged spin-1 2 particles are obtained with the NP formalism. Similarly, the charged KG equation has been employed in order to study the GF of bosons in the CTNBH geometry.…”
Section: B Fermionic Gfs and Qnmsmentioning
confidence: 99%
“…The quantum motions of spin-zero scalar bosons with scalar and vector potential of various kinds and external magnetic and quantum flux fields have been investigated in the background of curved space-times, such as Gödel universe [1], the Som-Raychaudhri space-time [1,2], Ellis-Bronnikov-type wormhole space-time, charged and rotating black hole space-time [3], the Kerr-Newman black holes background [4], topologically trivial space-time [5], and topologically non-trivial space-time [6]. Moreover, the quantum dynamics of spin-half particles have been studied in curved space-time backgrounds as well as in other space-times, such as charged and rotating black hole metric [7], the Kerr spacetime [8], the Kerr-Newman-AdS black hole metric [9], Rindler space-time [10], the Kerr-Newman Space-time [11], and topologically trivial space-time [12] and many more in the literature. It is worth mentioning that the non-relativistic wave equation in the background of topological defect space-times has also been studied in the literature [13][14][15][16][17].…”
Section: Introductionmentioning
confidence: 99%