Addressing the missing matter problem in galaxies through a new fundamental gravitational radius - INSPIRE

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Addressing the missing matter problem in galaxies through a new fundamental gravitational radius

S. Capozziello
(
- GSSI, Aquila and
- INFN, Naples and
- Naples U.
)
,
P. Jovanović
(
- Belgrade Observ.
)
,
V. Borka Jovanović
(
- VINCA Inst. Nucl. Sci., Belgrade
)
,
D. Borka
(
- VINCA Inst. Nucl. Sci., Belgrade
)

Feb 11, 2017

8 pages

Published in:

JCAP 06 (2017) 044

Published: Jun 23, 2017

e-Print:

1702.03430 [gr-qc]

DOI:

10.1088/1475-7516/2017/06/044

View in:

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Abstract: (IOP)

We demonstrate that the existence of a Noether symmetry in f(R) theories of gravity gives rise to a further gravitational radius, besides the standard Schwarzschild one, determining the dynamics at galactic scales. By this feature, it is possible to explain the baryonic Tully-Fisher relation and the rotation curve of gas-rich galaxies without the dark matter hypothesis.

Note:

9 pages, 2 figures, to be published in JCAP

symmetry: Noether
gravitation: model
gravitation: f(R)
galaxy
Schwarzschild
dark matter
rotation

References(64)

Figures(3)

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