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Abstract:

We perform a test of John Moffat's modified gravity theory (MOG) within the Milky Way, adopting the well-known "rotation curve" method. We use the dynamics of observed tracers within the disk to determine the gravitational potential as a function of galactocentric distance and compare that with the potential that is expected to be generated by the visible component only (stars and gas) under different "flavors" of the MOG theory, making use of a state-of-the-art setup for both the observed tracers and baryonic morphology. Our analysis shows that in both the original and the modified version (considering a self-consistent evaluation of the Milky Way mass), the theory fails to reproduce the observed rotation curve. We conclude that in none of its present formulations is the MOG theory able to explain the observed rotation curve of the Milky Way. © 2018 American Physical Society.

Registro:

Documento: Artículo
Título:Testing modified gravity theory in the Milky Way TESTING MODIFIED GRAVITY THEORY in the MILKY WAY NEGRELLI et al.
Autor:Negrelli, C.; Benito, M.; Landau, S.; Iocco, F.; Kraiselburd, L.
Filiación:Grupo de Astrofísica, Relatividad y Cosmología, Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de la Plata, Paseo del Bosque S/N, La Plata, 1900, Argentina
CONICET, Godoy Cruz 2290, Ciudad Autnoma de Buenos Aires, 1425, Argentina
ICTP, South American Institute for Fundamental Research, Instituto de Física Teórica, Universidade Estadual Paulista (UNESP), Rua Dr. Bento Teobaldo Ferraz 271, São Paulo, SP, 01140-070, Brazil
Departamento de Física, IFIBA, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria-Pab. i, Buenos Aires, 1428, Argentina
Año:2018
Volumen:98
Número:10
DOI: http://dx.doi.org/10.1103/PhysRevD.98.104061
Título revista:Physical Review D
Título revista abreviado:Phy. Rev. D
ISSN:24700010
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_24700010_v98_n10_p_Negrelli

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Citas:

---------- APA ----------
Negrelli, C., Benito, M., Landau, S., Iocco, F. & Kraiselburd, L. (2018) . Testing modified gravity theory in the Milky Way TESTING MODIFIED GRAVITY THEORY in the MILKY WAY NEGRELLI et al. Physical Review D, 98(10).
http://dx.doi.org/10.1103/PhysRevD.98.104061
---------- CHICAGO ----------
Negrelli, C., Benito, M., Landau, S., Iocco, F., Kraiselburd, L. "Testing modified gravity theory in the Milky Way TESTING MODIFIED GRAVITY THEORY in the MILKY WAY NEGRELLI et al." Physical Review D 98, no. 10 (2018).
http://dx.doi.org/10.1103/PhysRevD.98.104061
---------- MLA ----------
Negrelli, C., Benito, M., Landau, S., Iocco, F., Kraiselburd, L. "Testing modified gravity theory in the Milky Way TESTING MODIFIED GRAVITY THEORY in the MILKY WAY NEGRELLI et al." Physical Review D, vol. 98, no. 10, 2018.
http://dx.doi.org/10.1103/PhysRevD.98.104061
---------- VANCOUVER ----------
Negrelli, C., Benito, M., Landau, S., Iocco, F., Kraiselburd, L. Testing modified gravity theory in the Milky Way TESTING MODIFIED GRAVITY THEORY in the MILKY WAY NEGRELLI et al. Phy. Rev. D. 2018;98(10).
http://dx.doi.org/10.1103/PhysRevD.98.104061