Nucleon-nucleon short-range correlations: A hidden driver in binary neutron star inspiral gravitational waves

Nucleon-nucleon short-range correlations (SRCs) describe the formation of nucleon pairs with high-momentum components, representing an essential issue in nuclear physics, yet their implications for inspiral gravitational waves remain underexplored. In this study, we employ three different nucleon-nu...

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Main Authors: Bin Hong, Tongqi Liang, Zhongzhou Ren
Format: Article
Language:English
Published: Elsevier 2025-01-01
Series:Physics Letters B
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269324007834
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author Bin Hong
Tongqi Liang
Zhongzhou Ren
author_facet Bin Hong
Tongqi Liang
Zhongzhou Ren
author_sort Bin Hong
collection DOAJ
description Nucleon-nucleon short-range correlations (SRCs) describe the formation of nucleon pairs with high-momentum components, representing an essential issue in nuclear physics, yet their implications for inspiral gravitational waves remain underexplored. In this study, we employ three different nucleon-nucleon SRC models in neutron star interiors to assess their effects on gravitational waves during binary neutron star (BNS) inspiral phase. Our findings indicate that SRC-affected BNS systems exhibit lower gravitational wave frequencies, with a characteristic reduction of approximately 200 Hz compared to the traditional BNS systems. Additionally, SRCs appear to accelerate the BNS inspiral process, leading to a shorter retarded time and notable deviation in the gravitational waveform. These results underscore the critical role of SRC in shaping the features of inspiral gravitational waves and propose that inspiral gravitational waves could potentially serve as an effective probe for detecting SRC phenomena within neutron stars.
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spelling doaj-art-9f3afeb9bbf542988ce59d2218ccd56c2025-01-10T04:37:45ZengElsevierPhysics Letters B0370-26932025-01-01860139225Nucleon-nucleon short-range correlations: A hidden driver in binary neutron star inspiral gravitational wavesBin Hong0Tongqi Liang1Zhongzhou Ren2School of Physics Science and Engineering, Tongji University, Shanghai, 200092, ChinaSchool of Physics Science and Engineering, Tongji University, Shanghai, 200092, ChinaSchool of Physics Science and Engineering, Tongji University, Shanghai, 200092, China; Key Laboratory of Advanced Micro-Structure Materials, Ministry of Education, Shanghai, 200092, China; Corresponding author at: School of Physics Science and Engineering, Tongji University, Shanghai, 200092, China.Nucleon-nucleon short-range correlations (SRCs) describe the formation of nucleon pairs with high-momentum components, representing an essential issue in nuclear physics, yet their implications for inspiral gravitational waves remain underexplored. In this study, we employ three different nucleon-nucleon SRC models in neutron star interiors to assess their effects on gravitational waves during binary neutron star (BNS) inspiral phase. Our findings indicate that SRC-affected BNS systems exhibit lower gravitational wave frequencies, with a characteristic reduction of approximately 200 Hz compared to the traditional BNS systems. Additionally, SRCs appear to accelerate the BNS inspiral process, leading to a shorter retarded time and notable deviation in the gravitational waveform. These results underscore the critical role of SRC in shaping the features of inspiral gravitational waves and propose that inspiral gravitational waves could potentially serve as an effective probe for detecting SRC phenomena within neutron stars.http://www.sciencedirect.com/science/article/pii/S0370269324007834Neutron starShort-range correlationGravitational wave
spellingShingle Bin Hong
Tongqi Liang
Zhongzhou Ren
Nucleon-nucleon short-range correlations: A hidden driver in binary neutron star inspiral gravitational waves
Physics Letters B
Neutron star
Short-range correlation
Gravitational wave
title Nucleon-nucleon short-range correlations: A hidden driver in binary neutron star inspiral gravitational waves
title_full Nucleon-nucleon short-range correlations: A hidden driver in binary neutron star inspiral gravitational waves
title_fullStr Nucleon-nucleon short-range correlations: A hidden driver in binary neutron star inspiral gravitational waves
title_full_unstemmed Nucleon-nucleon short-range correlations: A hidden driver in binary neutron star inspiral gravitational waves
title_short Nucleon-nucleon short-range correlations: A hidden driver in binary neutron star inspiral gravitational waves
title_sort nucleon nucleon short range correlations a hidden driver in binary neutron star inspiral gravitational waves
topic Neutron star
Short-range correlation
Gravitational wave
url http://www.sciencedirect.com/science/article/pii/S0370269324007834
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