EPJ Web Conf.
Volume 168, 2018Joint International Conference of ICGAC-XIII and IK-15 on Gravitation, Astrophysics and Cosmology
|Number of page(s)||5|
|Published online||09 January 2018|
Equation of state with scale-invariant hidden local symmetry and gravitational waves
Department of Physics, Hanyang University, Seoul 04763, Korea
* e-mail: firstname.lastname@example.org
Published online: 9 January 2018
The equation of state (EoS) for the effective theory proposed recently in the frame work of the scale-invariant hidden local symmetry is discussed briefly. The EoS is found to be relatively stiffer at lower density and but relatively softer at higher density. The particular features of EoS on the gravitational waves are discussed. A relatively stiffer EoS for the neutron stars with the lower density induces a larger deviation of the gravitational wave form from the point-particle-approximation. On the other hand, a relatively softer EoS for the merger remnant of the higher density inside might invoke a possibility of the immediate formation of a black hole for short gamma ray bursts or the appearance of the higher peak frequency for gravitational waves from remnant oscillations. It is anticipated that this particular features could be probed in detail by the detections of gravitational waves from the binary neutron star mergers.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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