Search Results - "Stuchlik, Z."

A simple protocol to construct solutions with vanishing complexity by Gravitational Decoupling by Contreras, E., Stuchlik, Z.

“…In this work we develop a simple protocol to construct interior solutions through Gravitational Decoupling by the Minimal Gemetric Deformation extended…”
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Energy exchange between relativistic fluids: the polytropic case by Ovalle, J., Contreras, E., Stuchlik, Z.

“…We present a simple, analytic and straightforward method to elucidate the effects produced by polytropic fluids on any other gravitational source, no matter…”
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Black holes by gravitational decoupling by Ovalle, J., Casadio, R., Rocha, R. da, Sotomayor, A., Stuchlik, Z.

“…We investigate how a spherically symmetric fluid modifies the Schwarzschild vacuum solution when there is no exchange of energy-momentum between the fluid and…”
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Isotropization and change of complexity by gravitational decoupling by Casadio, R., Contreras, E., Ovalle, J., Sotomayor, A., Stuchlik, Z.

“…We employ the gravitational decoupling approach for static and spherically symmetric systems to develop a simple and powerful method in order to (a)…”
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A causal Schwarzschild-de Sitter interior solution by gravitational decoupling by Gabbanelli, L., Ovalle, J., Sotomayor, A., Stuchlik, Z., Casadio, R.

“…We employ the minimal geometric deformation approach to gravitational decoupling (MGD-decoupling) in order to build an exact anisotropic version of the…”
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Mass of intermediate black hole in the source M82 X-1 restricted by models of twin high-frequency quasi-periodic oscillations by Stuchlík, Z, Kolo, M

“…We apply the relativistic precession (RP) model with its variants and the resonance epicyclic model with its variants, based on the frequencies of the geodesic…”
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Einstein-Klein-Gordon system by gravitational decoupling by Ovalle, J., Casadio, R., da Rocha, R., Sotomayor, A., Stuchlik, Z.

“…We investigate how a spherically symmetric scalar field can modify the Schwarzschild vacuum solution when there is no exchange of energy-momentum between the…”
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Energy exchange between Tolman VII and a polytropic fluid by Contreras, E., Stuchlik, Z.

“…Recently, the Gravitational Decoupling through the Minimal Geometric Deformation was applied to study a mixture of a spherically symmetric internal solution of…”
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Limiting effects in clusters of misaligned toroids orbiting static SMBHs by Pugliese, D, Stuchlík, Z

“…ABSTRACT We consider agglomerates of misaligned, pressure supported tori orbiting a Schwarzschild black hole. A leading function is introduced, regulating the…”
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CONTROVERSY OF THE GRO J1655-40 BLACK HOLE MASS AND SPIN ESTIMATES AND ITS POSSIBLE SOLUTIONS by Stuchlik, Z, Kolos, M

“…ABSTRACT Estimates of the black hole mass M and the dimensionless spin a in the microquasar GRO J1655-40 implied by strong gravity effects related to the…”
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Notes on the general relativistic viscous ringed disk evolution by Pugliese, D, Stuchlík, Z, Karas, V

“…Abstract A ringed accretion disk (RAD) models a cluster of axi-symmetric co-rotating and/or counter-rotating tori orbiting in the equatorial plane of a central…”
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String loops oscillating in the field of Kerr black holes as a possible explanation of twin high-frequency quasiperiodic oscillations observed in microquasars by Stuchlik, Z, Kolos, M

“…Small oscillations of current-carrying string loops around stable equilibrium positions corresponding to minima of the effective potential in the equatorial…”
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Perfect fluid tori orbiting Kehagias–Sfetsos naked singularities by Stuchlík, Z., Pugliese, D., Schee, J., Kučáková, H.

“…We construct perfect fluid tori in the field of the Kehagias–Sfetsos (K–S) naked singularities. These are spherically symmetric vacuum solutions of the…”
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Dynamics of current-carrying string loops in the Kerr naked-singularity and black-hole spacetimes by Kolos, M, Stuchlik, Z

“…Current-carrying string-loop dynamics is studied in the Kerr spacetimes. With attention concentrated to the axisymmetric motion of string loops around the…”
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Quadrupole moments of rotating neutron stars and strange stars by Urbanec, M, Miller, J. C, Stuchlík, Z

“…We present results for models of neutron stars and strange stars constructed using the Hartle-Thorne slow-rotation method with a wide range of equations of…”
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Are eikonal quasinormal modes linked to the unstable circular null geodesics? by Konoplya, R.A., Stuchlík, Z.

“…In Cardoso et al. [6] it was claimed that quasinormal modes which any stationary, spherically symmetric and asymptotically flat black hole emits in the eikonal…”
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The model of the black hole enclosed in dust: the flat space case by Jaluvkova, P., Kopteva, E., Stuchlik, Z.

“…The model is constructed to describe the Schwarzschild-like black hole enclosed in the dust cosmological background. It is an exact solution of Einstein…”
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Inter-disks inversion surfaces by Pugliese, D., Stuchlík, Z.

“…We consider a counter-rotating torus orbiting a central Kerr black hole ( BH ) with dimensionless spin a , and its accretion flow into the BH , in an…”
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On dark energy effects on the accretion physics around a Kiselev spinning black hole by Pugliese, D., Stuchlík, Z.

“…Kiselev metric in the static and rotating form is widely used to test different aspects of the dark energy ( DE ) effects. We consider a DE Kiselev spacetime,…”
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Inversion points of the accretion flows onto super-spinning Kerr attractors by Pugliese, D., Stuchlík, Z.

“…We study the accretion flows towards a central Kerr super-spinning attractor, discussing the formation of the flow inversion points, defined by condition u ϕ =…”
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