Zobrazeno 1 - 10
of 89
pro vyhledávání: '"S. Panahiyan"'
Publikováno v:
European Physical Journal C: Particles and Fields, Vol 80, Iss 6, Pp 1-19 (2020)
Abstract In order to classify and understand structure of the spacetime, investigation of the geodesic motions of massive and massless particles is a key tool. So the geodesic equation is a central equation of gravitating systems and the subject of g
Externí odkaz:
https://doaj.org/article/1c4572ac18304d0a9975c54a1c0da97e
Publikováno v:
Nuclear Physics B, Vol 938, Iss , Pp 388-415 (2019)
In this paper, we investigate thermodynamical structure of dyonic black holes in the presence of gravity's rainbow. We confirm that for super magnetized and highly pressurized scenarios, the number of black holes' phases is reduced to a single phase.
Externí odkaz:
https://doaj.org/article/28b08daa1e494b60bf4e7d0643fc85c0
Publikováno v:
Physics Letters B, Vol 781, Iss , Pp 40-47 (2018)
The paper at hand studies the heat engine provided by black holes in the presence of massive gravity. The main motivation is to investigate the effects of massive gravity on different properties of the heat engine. It will be shown that massive gravi
Externí odkaz:
https://doaj.org/article/f8d286d4bb264a049169359e9479f626
Publikováno v:
Physics Letters B, Vol 775, Iss , Pp 251-261 (2017)
The Noble Prize in physics 2016 motivates one to study different aspects of topological properties and topological defects as their related objects. Considering the significant role of the topological defects (especially magnetic strings) in cosmolog
Externí odkaz:
https://doaj.org/article/c5f8ddb0abaa43b3bee6654ed24acc8f
Publikováno v:
European Physical Journal C: Particles and Fields, Vol 77, Iss 9, Pp 1-17 (2017)
Abstract This paper is devoted to an investigation of nonlinearly charged dilatonic black holes in the context of gravity’s rainbow with two cases: (1) by considering the usual entropy, (2) in the presence of first order logarithmic correction of t
Externí odkaz:
https://doaj.org/article/b8f955a145744dd58523eebfd6178b8e
Publikováno v:
Physics Letters B, Vol 769, Iss C, Pp 191-201 (2017)
Violation of Lorentz invariancy in the high energy quantum gravity motivates one to consider an energy dependent spacetime with massive deformation of standard general relativity. In this paper, we take into account an energy dependent metric in the
Externí odkaz:
https://doaj.org/article/75649e7c523c47d1aa124c67b33bc3e7
Publikováno v:
Physics Letters B, Vol 767, Iss C, Pp 214-225 (2017)
Motivated by low energy effective action of string theory and numerous applications of BTZ black holes, we will consider minimal coupling between dilaton and nonlinear electromagnetic fields in three dimensions. The main goal is studying thermodynami
Externí odkaz:
https://doaj.org/article/d6c48aa6020a4ffd9106964f5408d45b
Publikováno v:
Advances in High Energy Physics, Vol 2016 (2016)
Motivated by UV completion of general relativity with a modification of a geometry at high energy scale, it is expected to have an energy dependent geometry. In this paper, we introduce charged black hole solutions with power Maxwell invariant source
Externí odkaz:
https://doaj.org/article/bc2440587f92402e9712a223f36a3891
Autor:
S Panahiyan, S Fritzsche
Publikováno v:
New Journal of Physics, Vol 20, Iss 8, p 083028 (2018)
We report on the possibility of controlling quantum random walks (QWs) with a step-dependent coin (SDC). The coin is characterized by a (single) rotation angle. Considering different rotation angles, one can find diverse probability distributions for
Externí odkaz:
https://doaj.org/article/9fa35654449947c19f3b696b97523ad3
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