Abstract:
We introduce an energy-momentum density vector which is independent of the affine structure of the manifold and whose conservation is linked to observers. Integrating this quantity over time-like surfaces we can define Hamiltonian and momentum for the system which coincide with the corresponding ADM definitions for the case of irrotational Riemann-ian manifolds. As a consequence of our formalism, a Weak Equivalence Principle version for manifolds with torsion appears as the natural extension to non-Riemannian geometries from the Equivalence Principle of General Relativity.
Registro:
Documento: |
Artículo
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Título: | Energy-momentum and equivalence principle in non-Riemannian geometries |
Autor: | Castagnino, M.; Levinas, M.L.; Umérez, N. |
Filiación: | Departamento de Física, Fac. de Cie. Exactes y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina Inst. de Astronomia y Fisica del E., 67 Suc 28, 1428 Buenos Aires, Argentina
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Palabras clave: | Conservation laws |
Año: | 1997
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Volumen: | 29
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Número: | 6
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Página de inicio: | 691
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Página de fin: | 703
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DOI: |
http://dx.doi.org/10.1023/A:1018877620865 |
Título revista: | General Relativity and Gravitation
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Título revista abreviado: | Gen. Relativ. Gravit.
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ISSN: | 00017701
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00017701_v29_n6_p691_Castagnino |
Referencias:
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Citas:
---------- APA ----------
Castagnino, M., Levinas, M.L. & Umérez, N.
(1997)
. Energy-momentum and equivalence principle in non-Riemannian geometries. General Relativity and Gravitation, 29(6), 691-703.
http://dx.doi.org/10.1023/A:1018877620865---------- CHICAGO ----------
Castagnino, M., Levinas, M.L., Umérez, N.
"Energy-momentum and equivalence principle in non-Riemannian geometries"
. General Relativity and Gravitation 29, no. 6
(1997) : 691-703.
http://dx.doi.org/10.1023/A:1018877620865---------- MLA ----------
Castagnino, M., Levinas, M.L., Umérez, N.
"Energy-momentum and equivalence principle in non-Riemannian geometries"
. General Relativity and Gravitation, vol. 29, no. 6, 1997, pp. 691-703.
http://dx.doi.org/10.1023/A:1018877620865---------- VANCOUVER ----------
Castagnino, M., Levinas, M.L., Umérez, N. Energy-momentum and equivalence principle in non-Riemannian geometries. Gen. Relativ. Gravit. 1997;29(6):691-703.
http://dx.doi.org/10.1023/A:1018877620865