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Multiscale structure of the gravitational wave signal from GW150914 based on the non-extensivity q-triplet

被引：0
|
作者：
da Silva, C. V. [1 ]
Nepomuceno, M. M. F. [2 ,3 ]
de Freitas, D. B. [1 ]
机构：
[1] Univ Fed Ceara, Dept Fis, Caixa Postal 6030,Campus Pici, BR-60455900 Fortaleza, Ceara, Brazil
[2] Univ Fed Rural Semi Arido, Dept Ciencia & Tecnol, Campus Caraubas, Caraubas, RN, Brazil
[3] Univ Estado Rio Grande do Norte, Dept Fis, Mossoro, RN, Brazil
来源：
EPL | 2023年 / 141卷 / 05期
基金：
日本学术振兴会; 英国科学技术设施理事会; 新加坡国家研究基金会; 澳大利亚研究理事会; 美国国家科学基金会;
关键词：
MAGNETIC ACTIVITY; NONEXTENSIVITY; SUNS;
D O I：
10.1209/0295-5075/acbc94
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the first gravitational wave, GW150914, detected by advanced LIGO and constructed from the data of measurement of strain relative deformation of the fabric of spacetime. We show that the time series from the gravitational wave obeys Tsallis' q-Gaussian distribution as a probability density and its dynamics evolves from the three associated Tsallis' indexes named q-triplet. This fact strongly suggests that these black hole merger systems behave in a non-extensive manner. Furthermore, our results point out that the entropic indexes obtained as a function of frequency are useful statistical parameters to determine the dominant frequency when black hole coalescence is achieved. Copyright (C) 2023 EPLA
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页数：8
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