Zobrazeno 61 - 70
of 382
pro vyhledávání: '"Szabados, László"'
Autor:
Szabados, Laszlo B.
Publikováno v:
Class.Quant.Grav. 22 (2005) 855-878
The 2-surface characterization of special classical radiative Higgs-, Yang-Mills and linear zero-rest-mass (l.z.r.m) fields with any spin is investigated. We determine all the zero quasi-local mass Higgs- and Yang-Mills field configurations with comp
Externí odkaz:
http://arxiv.org/abs/gr-qc/0411148
Autor:
Szabados, Laszlo B.
Publikováno v:
Class.Quant.Grav. 20 (2003) 2627-2662
The analysis of vacuum general relativity by R. Beig and N. O Murchadha (Ann. Phys. vol 174, 463 (1987)) is extended in numerous ways. The weakest possible power-type fall-off conditions for the energy-momentum tensor, the metric, the extrinsic curva
Externí odkaz:
http://arxiv.org/abs/gr-qc/0302033
Autor:
Szabados, Laszlo B
Publikováno v:
Class.Quant.Grav. 19 (2002) 2375-2392
It is shown that the Chern-Simons functional, built in the spinor representation from the initial data on spacelike hypersurfaces, is invariant with respect to infinitesimal conformal rescalings if and only if the vacuum Einstein equations are satisf
Externí odkaz:
http://arxiv.org/abs/gr-qc/0110106
Autor:
Szabados, Laszlo B
Publikováno v:
Class.Quant.Grav. 18 (2001) 5487-5520
The recently suggested quasi-local spin-angular momentum expressions, based on the Bramson superpotential and on the holomorphic or anti-holomorphic spinor fields, are calculated for large spheres near the future null infinity of asymptotically flat
Externí odkaz:
http://arxiv.org/abs/gr-qc/0109047
Autor:
Szabados, Laszlo B.
Publikováno v:
Class.Quant.Grav. 17 (2000) 793-811
The Chern-Simons functionals built from various connections determined by the initial data $h_{\mu\nu}$, $\chi_{\mu\nu}$ on a 3-manifold $\Sigma$ are investigated. First it is shown that for asymptotically flat data sets the logarithmic fall-off for
Externí odkaz:
http://arxiv.org/abs/gr-qc/9909052
Autor:
Szabados, Laszlo B
Publikováno v:
Class.Quant.Grav. 16 (1999) 2889-2904
The Ludvigsen-Vickers and two recently suggested quasi-local spin-angular momentum expressions, based on holomorphic and anti-holomorphic spinor fields, are calculated for small spheres of radius $r$ about a point $o$. It is shown that, apart from th
Externí odkaz:
http://arxiv.org/abs/gr-qc/9901068
Akademický článek
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Akademický článek
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Autor:
Beig, Robert, Szabados, Laszlo B
Publikováno v:
Class.Quant.Grav. 14 (1997) 3091-3107
In the present paper a global conformal invariant $Y$ of a closed initial data set is constructed. A spacelike hypersurface $\Sigma$ in a Lorentzian spacetime naturally inherits from the spacetime metric a differentiation ${\cal D}_e$, the so-called
Externí odkaz:
http://arxiv.org/abs/gr-qc/9706078
Autor:
Szabados, Laszlo B
Publikováno v:
Class.Quant.Grav. 13 (1996) 1661-1678
In the present paper the determination of the {\it pp}-wave metric form the geometry of certain spacelike two-surfaces is considered. It has been shown that the vanishing of the Dougan--Mason quasi-local mass $m_{\$}$, associated with the smooth boun
Externí odkaz:
http://arxiv.org/abs/gr-qc/9512013