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Bondi or not Bondi: The impact of resolution on accretion and drag force modelling for Supermassive Black Holes
Published 2018“…In this paper, we investigate the impact of resolution on two commonly used SMBH sub-grid algorithms; the Bondi-Hoyle-Lyttleton (BHL) formula for accretion onto a point mass, and the related estimate of the drag force exerted onto a point mass by a gaseous medium. …”
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On the Nature of Bondi–Metzner–Sachs Transformations
Published 2023-04-01Subjects: “…Bondi–Metzner–Sachs group…”
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The dietary ecology of the extinct springbok Antidorcas bondi
Published 2018“…Here we revisit the dietary ecological history of A. bondi by means of published species distribution data through time, and carbon stable isotope data. …”
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The partial Bondi gauge: Gauge fixings and asymptotic charges
Published 2024-03-01“…We also apply the formula for the charges in the partial Bondi gauge to the computation of the charges for the Kerr spacetime in Bondi coordinates.…”
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Modified Bondy radical mastoidectomy: anatomic and functional results
Published 2009-03-01Subjects: Get full text
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Hyperbolically Symmetric Versions of Lemaitre–Tolman–Bondi Spacetimes
Published 2021-09-01“…We study fluid distributions endowed with hyperbolic symmetry, which share many common features with Lemaitre–Tolman–Bondi (LTB) solutions (e.g., they are geodesic, shearing, and nonconformally flat, and the energy density is inhomogeneous). …”
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Multipole expansion of gravitational waves: memory effects and Bondi aspects
Published 2023-07-01“…We rederive the displacement memory effect and provide expressions for all Bondi aspects and dressed Bondi aspects relevant to the study of leading and subleading memory effects. …”
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The partial Bondi gauge: Further enlarging the asymptotic structure of gravity
Published 2022-11-01“…We present a detailed analysis of gravity in a partial Bondi gauge, where only the three conditions $g_{rr}=0=g_{rA}$ are fixed. …”
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Geometric action for extended Bondi-Metzner-Sachs group in four dimensions
Published 2022-12-01“…Abstract The constrained Hamiltonian analysis of geometric actions is worked out before applying the construction to the extended Bondi-Metzner-Sachs group in four dimensions. For any Hamiltonian associated with an extended BMS4 generator, this action provides a field theory in two plus one spacetime dimensions whose Poisson bracket algebra of Noether charges realizes the extended BMS4 Lie algebra. …”
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A positive Bondi-type mass in asymptotically de Sitter spacetimes
Published 2015“…For non-contorted cuts this functional yields an invariant analogous to the Bondi mass.…”
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Noether Symmetries of Lemaitre-Tolman-Bondi Metric via Rif Tree Approach
Published 2022-09-01“…In this paper, we have explored Noether symmetries for the Lagrangian corresponding to the Lemaitre-Tolman-Bondi (LTB) spacetime metric via a Rif tree approach. …”
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Angular momentum loss in gravitational scattering, radiation reaction, and the Bondi gauge ambiguity
Published 2022-11-01“…This solves the puzzles and establishes the correspondence between the intrinsic mechanical calculations and the Bondi formalism.…”
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Fully nonlinear transformations of the Weyl-Bondi-Metzner-Sachs asymptotic symmetry group
Published 2024-03-01“…We compute the action of fully nonlinear BMSW transformations on the leading order Bondi-gauge metric functions: specifically, the induced metric, Bondi mass aspect, angular momentum aspect, and shear. …”
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Jet Formation in 3D GRMHD Simulations of Bondi–Hoyle–Lyttleton Accretion
Published 2023-01-01Subjects: Get full text
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Particle realization of Bondi-Metzner-Sachs symmetry in 2 + 1 space-time
Published 2023-11-01“…Abstract We construct a Lorentz invariant massive particle model in (2+1) space-time with an enlarged set of symmetries which includes Bondi-Metzner-Sachs (BMS) translations (supertranslations), using the non-linear realization framework. …”
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Large scale structure simulations of inhomogeneous Lemaître-Tolman-Bondi void models
Published 2010“…We perform numerical simulations of large scale structure evolution in an inhomogeneous Lemaître-Tolman-Bondi (LTB) model of the Universe. We follow the gravitational collapse of a large underdense region (a void) in an otherwise flat matter-dominated Einstein–de Sitter model. …”
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La literatura peruana en el pensamiento crítico de Sebastián Salazar Bondy
Published 2022-11-01Subjects: “…Sebastián Salazar Bondy…”
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