Abstract:
We investigate an intriguing relation between (i) homogeneous and isotropic spatially flat cosmological models with no cosmological constant, on the one hand, and (ii) Fisher's information measure for translation families. An equivalence between that particular probability density that enters Fisher's informational Lagrangian and the expansion factor of the universe is detected. © 2002 Elsevier Science B.V. All rights reserved.
Registro:
| Documento: |
Artículo
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| Título: | Einstein's gravitational action and Fisher's information measure |
| Autor: | Chimento, L.P.; Pennini, F.; Plastino, A. |
| Filiación: | Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, 1428 Buenos Aires, Argentina
Physics Institute, La Plata National University, C.C. 727, 1900 La Plata, Argentina
National Research Council (CONICET), Argentina
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| Palabras clave: | Cosmological models; Escort distributions; Fisher information; Gravitation; article; cosmos; gravitational stress; measurement; probability; quantum mechanics; thermodynamics |
| Año: | 2002
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| Volumen: | 293
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| Número: | 3-4
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| Página de inicio: | 133
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| Página de fin: | 140
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| DOI: |
http://dx.doi.org/10.1016/S0375-9601(01)00858-1 |
| Título revista: | Physics Letters, Section A: General, Atomic and Solid State Physics
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| Título revista abreviado: | Phys Lett Sect A Gen At Solid State Phys
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| ISSN: | 03759601
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| CODEN: | PYLAA
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| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03759601_v293_n3-4_p133_Chimento |
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Citas:
---------- APA ----------
Chimento, L.P., Pennini, F. & Plastino, A.
(2002)
. Einstein's gravitational action and Fisher's information measure. Physics Letters, Section A: General, Atomic and Solid State Physics, 293(3-4), 133-140.
http://dx.doi.org/10.1016/S0375-9601(01)00858-1---------- CHICAGO ----------
Chimento, L.P., Pennini, F., Plastino, A.
"Einstein's gravitational action and Fisher's information measure"
. Physics Letters, Section A: General, Atomic and Solid State Physics 293, no. 3-4
(2002) : 133-140.
http://dx.doi.org/10.1016/S0375-9601(01)00858-1---------- MLA ----------
Chimento, L.P., Pennini, F., Plastino, A.
"Einstein's gravitational action and Fisher's information measure"
. Physics Letters, Section A: General, Atomic and Solid State Physics, vol. 293, no. 3-4, 2002, pp. 133-140.
http://dx.doi.org/10.1016/S0375-9601(01)00858-1---------- VANCOUVER ----------
Chimento, L.P., Pennini, F., Plastino, A. Einstein's gravitational action and Fisher's information measure. Phys Lett Sect A Gen At Solid State Phys. 2002;293(3-4):133-140.
http://dx.doi.org/10.1016/S0375-9601(01)00858-1
