Abstract:
We introduce an energy-momentum density vector which is independent of the affine structure of the manifold. Conservation of this quantity is linked to observers. Integrating over timelike surfaces, we define the Hamiltonian and momentum of the system which coincide with the corresponding standard ADM definitions when taking adequate asymptotical conditions. We define an Equivalence Principle for manifolds with torsion as a possible extension of the Equivalence Principle of General Relativity to non-Riemannian geometries.
Registro:
Documento: |
Artículo
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Título: | Gravitational and matter energy-momentum densities and equivalence principle in non-Riemannian geometries |
Autor: | Castagnino, M.; Levinas, M.L.; Umérez, N. |
Filiación: | Departamento de Física, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina Inst. Astronomia y Fis. del Espacio, C.C. 67 Suc 28, 1428 Buenos Aires, Argentina Consejo Nac. de Invest. Cie. y Tec., Argentina
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Año: | 1999
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Volumen: | 14
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Número: | 30
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Página de inicio: | 4721
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Página de fin: | 4734
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DOI: |
http://dx.doi.org/10.1142/S0217751X99002219 |
Título revista: | International Journal of Modern Physics A
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Título revista abreviado: | Int. J. Mod. Phys. A
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ISSN: | 0217751X
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CODEN: | IMPAE
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0217751X_v14_n30_p4721_Castagnino |
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Citas:
---------- APA ----------
Castagnino, M., Levinas, M.L. & Umérez, N.
(1999)
. Gravitational and matter energy-momentum densities and equivalence principle in non-Riemannian geometries. International Journal of Modern Physics A, 14(30), 4721-4734.
http://dx.doi.org/10.1142/S0217751X99002219---------- CHICAGO ----------
Castagnino, M., Levinas, M.L., Umérez, N.
"Gravitational and matter energy-momentum densities and equivalence principle in non-Riemannian geometries"
. International Journal of Modern Physics A 14, no. 30
(1999) : 4721-4734.
http://dx.doi.org/10.1142/S0217751X99002219---------- MLA ----------
Castagnino, M., Levinas, M.L., Umérez, N.
"Gravitational and matter energy-momentum densities and equivalence principle in non-Riemannian geometries"
. International Journal of Modern Physics A, vol. 14, no. 30, 1999, pp. 4721-4734.
http://dx.doi.org/10.1142/S0217751X99002219---------- VANCOUVER ----------
Castagnino, M., Levinas, M.L., Umérez, N. Gravitational and matter energy-momentum densities and equivalence principle in non-Riemannian geometries. Int. J. Mod. Phys. A. 1999;14(30):4721-4734.
http://dx.doi.org/10.1142/S0217751X99002219