Author: "Ferrando, Joan Josep" / Topic: gravitation - Searchworks@Jio Institute Digital Library Search Results

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Start Over Author "Ferrando, Joan Josep" Topic gravitation

Author: Ferrando, Joan Josep and Sáez, Juan Antonio
Subjects: *VACUUM, *QUANTUM gravity, *EINSTEIN field equations, *GENERAL relativity (Physics), *RELATIVITY & quantum mechanics, *GRAVITATION
Abstract: We give the necessary and sufficient conditions for a 3-metric to be the adapted spatial metric of a static vacuum solution. This work accomplishes for the degenerate cases the already known study for the regular ones (Bartnik and Tod 2006 Class. Quantum Grav. 23 569-71). [ABSTRACT FROM AUTHOR]
Published: 2013
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Author: Ferrando, Joan Josep and Sáez, Juan Antonio
Subjects: *GRAVITATION, *GRAVITY, *ALGORITHMS, *ELECTROMAGNETISM, *GRAVITATIONAL fields
Abstract: The algebraic study of the Bel–Robinson tensor proposed and initiated in a previous work (Ferrando and Sáez in Gen Relativ Gravit 41:1695–1715, 2009) is achieved. The canonical form of the different algebraic types is obtained in terms of Bel–Robinson eigen-tensors. An algorithmic determination of the Weyl tensor from the Bel–Robinson tensor is presented. [ABSTRACT FROM AUTHOR]
Published: 2010
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Author: Ferrando, Joan Josep and Sáez, Juan Antonio
Subjects: *GENERAL relativity (Physics), *GRAVITATION, *PHYSICAL cosmology
Abstract: We write the known invariant definition of the Szekeres-Szafron family of solutions in an intrinsic, deductive, explicit and algorithmic form. We also intrinsically characterize the two commonly considered subfamilies, and analyze other subclasses, also defined by first-order differential conditions. Furthermore, we present a Rainich-like approach to these metrics. [ABSTRACT FROM AUTHOR]
Published: 2018
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