Search Results - "Karakasis, Thanasis"

Exact black hole solutions with a conformally coupled scalar field and dynamic Ricci curvature in f(R) gravity theories by Karakasis, Thanasis, Papantonopoulos, Eleftherios, Tang, Zi-Yu, Wang, Bin

“…We report exact black hole solutions in asymptotically flat or (A)dS four-dimensional spacetime with a conformally coupled self-interacting scalar field in f (…”
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Motion of particles around a magnetically charged Euler–Heisenberg black hole with scalar hair and the Event Horizon Telescope by Theodosopoulos, Dionysios P., Karakasis, Thanasis, Koutsoumbas, George, Papantonopoulos, Eleftherios

“…We study the motion of uncharged particles and photons in the background of a magnetically charged Euler–Heisenberg (EH) black hole (BH) with scalar hair. The…”
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Exact black hole solutions with a conformally coupled scalar field and dynamic Ricci curvature in f by Karakasis, Thanasis, Papantonopoulos, Eleftherios, Tang, Zi-Yu, Wang, Bin

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To stealth or not to stealth: Thermodynamics of stealth black holes by Bakopoulos, Athanasios, Karakasis, Thanasis, Papantonopoulos, Eleftherios

“…Using Euclidean methods we investigate the thermodynamics of stealth black hole solutions, which are solutions that geometrically are indistinguishable from…”
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Thermodynamics of black holes featuring primary scalar hair by Bakopoulos, Athanasios, Chatzifotis, Nikos, Karakasis, Thanasis

“…In this work, we embark on the thermodynamic investigation concerning a family of primary charged black holes within the context of shift and parity symmetric…”
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Regular Compact Objects with Scalar Hair by Karakasis, Thanasis, Mavromatos, Nick E, Papantonopoulos, Eleftherios

“…We discuss exact regular compact object solutions in higher dimensional extensions of General Relativity sourced by a phantom scalar field in arbitrary $D$…”
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Black Holes with Scalar Hair in Three Dimensions by Karakasis, Thanasis, Koutsoumbas, George, Papantonopoulos, Eleftherios

“…Three - dimensional static and spinning black hole solutions of the Einstein-Klein-Gordon system are obtained for a particular scalar field configuration. At…”
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Motion of particles in a magnetically charged Euler-Heisenberg black hole with scalar hair by Karakasis, Thanasis, Koutsoumbas, George, Papantonopoulos, Eleftherios

“…We study the geodesic motion of uncharged particles in the background of a magnetically charged Euler-Heisenberg black hole with a scalar hair. The spacetime…”
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Motion of particles around a magnetically charged Euler-Heisenberg black hole with scalar hair and the Event Horizon Telescope by Theodosopoulos, Dionysios P, Karakasis, Thanasis, Koutsoumbas, George, Papantonopoulos, Eleftherios

“…We study the motion of uncharged particles and photons in the background of a magnetically charged Euler-Heisenberg (EH) black hole (BH) with scalar hair. The…”
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Scalarization of the Reissner-Nordstr\"om black hole with higher derivative gauge field corrections by Kiorpelidi, Stella, Karakasis, Thanasis, Koutsoumbas, George, Papantonopoulos, Eleftherios

“…Phys. Rev. D 109, 024033 (2024) We discuss spontaneous scalarization of the Reissner-Nordstr\"om black hole in the presence of higher derivative gauge field…”
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f({\sf R})$ Gravity Wormholes sourced by a Phantom Scalar Field by Karakasis, Thanasis, Papantonopoulos, Eleftherios, Vlachos, Christoforos

“…Phys. Rev. D 105, 024006 (2022) We derive an exact wormhole spacetime supported by a phantom scalar field in the context of $f({\sf R})$ gravity. Without…”
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Exact black holes in string-inspired Euler-Heisenberg theory by Bakopoulos, Athanasios, Karakasis, Thanasis, Mavromatos, Nick E, Nakas, Theodoros, Papantonopoulos, Eleftherios

“…Phys.Rev.D 110 (2024) 2, 024014 We consider higher-order derivative gauge field corrections that arise in the fundamental context of dimensional reduction of…”
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Magnetically Charged Euler-Heisenberg Black Holes with Scalar Hair by Karakasis, Thanasis, Koutsoumbas, George, Machattou, Andri, Papantonopoulos, Eleftherios

“…Phys. Rev. D 106, 104006 (2022) We study the Einstein-Euler-Heisenberg theory in the presence of a self interacting scalar field, minimally coupled to gravity…”
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(2+1)$-Dimensional Black Holes in $f(R,\phi)$ Gravity by Karakasis, Thanasis, Papantonopoulos, Eleftherios, Tang, Zi-Yu, Wang, Bin

“…Phys. Rev. D 105, 044038 (2022) We consider a $f(R)$ gravity theory in $(2+1)$-dimensions with a self-interacting scalar field non-minimally coupled to…”
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Rotating $(2+1)$-dimensional Black Holes in Einstein-Maxwell-Dilaton Theory by Karakasis, Thanasis, Papantonopoulos, Eleftherios, Tang, Zi-Yu, Wang, Bin

“…We consider Einstein-Maxwell-Dilaton theory in $(2+1)$-dimensions where the coupling between the scalar field and the Maxwell invariant is the dilatonic…”
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Exact Black Hole Solutions with a Conformally Coupled Scalar Field and Dynamic Ricci Curvature in $f(R)$ Gravity Theories by Karakasis, Thanasis, Papantonopoulos, Eleftherios, Tang, Zi-Yu, Wang, Bin

“…Eur. Phys. J. C 81, 897 (2021) We report exact black hole solutions in asymptotically flat or (A)dS four-dimensional spacetime with a conformally coupled…”
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Black holes of $(2+1)$-dimensional $f(R)$ gravity coupled to a scalar field by Karakasis, Thanasis, Papantonopoulos, Eleftherios, Tang, Zi-Yu, Wang, Bin

“…Phys. Rev. D 103, 064063 (2021) We consider $f(R)$ gravity theories in the presence of a scalar field minimally coupled to gravity with a self-interacting…”
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Curvature Scalarization of Black Holes in f(R) Gravity by Tang, Zi-Yu, Wang, Bin, Karakasis, Thanasis, Papantonopoulos, Eleftherios

“…Phys. Rev. D 104, 064017 (2021) We consider f(R) gravity theories in the presence of a scalar field minimally coupled to gravity with a self-interacting…”
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