Galactic Structures from Gravitational Radii
Dipartimento di Fisica “E. Pancini”, Università di Napoli “Federico II”, Complesso di Monte Sant’Angelo, Edificio G, Via Cinthia, I-80126 Napoli, Italy
Istituto Nazionale di Fisica Nucleare (INFN) Sezione di Napoli, Complesso di Monte Sant’Angelo, Edificio G, Via Cinthia, I-80126 Napoli, Italy
Gran Sasso Science Institute, Viale F. Crispi, 7, I-67100 L’Aquila, Italy
Atomic Physics Laboratory (040), Vinča Institute of Nuclear Sciences, University of Belgrade, P.O. Box 522, 11001 Belgrade, Serbia
Astronomical Observatory, Volgina 7, P.O. Box 74, 11060 Belgrade, Serbia
These authors contributed equally to this work.
Author to whom correspondence should be addressed.
Received: 5 December 2017 / Revised: 29 December 2017 / Accepted: 2 January 2018 / Published: 7 February 2018
We demonstrate that the existence of a Noether symmetry in
theories of gravity gives rise to an additional 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. Furthermore, under the same standard, the Fundamental Plane of elliptical galaxies can be addressed.
This is an open access article distributed under the Creative Commons Attribution License
which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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MDPI and ACS Style
Capozziello, S.; Borka, D.; Borka Jovanović, V.; Jovanović, P. Galactic Structures from Gravitational Radii. Galaxies 2018, 6, 22.
Capozziello S, Borka D, Borka Jovanović V, Jovanović P. Galactic Structures from Gravitational Radii. Galaxies. 2018; 6(1):22.
Capozziello, Salvatore; Borka, Duško; Borka Jovanović, Vesna; Jovanović, Predrag. 2018. "Galactic Structures from Gravitational Radii." Galaxies 6, no. 1: 22.
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