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The constraints on the stochastic gravitational wave background from cosmic strings by an electromagnetic resonance system.

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Title: The constraints on the stochastic gravitational wave background from cosmic strings by an electromagnetic resonance system.
Authors: Li, Jin1 (AUTHOR), Li, Meijin1 (AUTHOR), Yang, Nan2 (AUTHOR), Wang, Li3 (AUTHOR) wangliyu@cqu.edu.cn, Yu, Hao1 (AUTHOR), Huang, Yingzhou1 (AUTHOR), Lin, Kai4,5 (AUTHOR), Lin, Zi-Chao1 (AUTHOR), Li, Fangyu1 (AUTHOR)
Source: European Physical Journal C -- Particles & Fields. Sep2025, Vol. 85 Issue 9, p1-13. 13p.
Subjects: Cosmic strings, Gravitational waves, Magnetic resonance, Scientific observation, Gravitational wave astronomy, Sensitivity analysis
Abstract: As one of the primary detection targets for contemporary gravitational wave (GW) observatories, the stochastic gravitational wave background (SGWB) holds significant potential for enhancing our understanding of the early universe's formation and evolution. Studies indicate that the SGWB spectrum from cosmic strings can span an extraordinarily broad frequency range, extending from extremely low frequencies up to the microwave band. This work specifically investigates the detectability of cosmic string SGWB signals in an electromagnetic (EM) resonance system at GHz frequency. We present a systematic analysis encompassing: (1) the response of high frequency gravitational waves (HFGWs) in such EM resonance system. (2) The development and application of fundamental data processing protocols in the EM resonance system. Our results demonstrate that the EM system shows promising sensitivity to detect cosmic string SGWB signals with tension parameters G μ ≥ 10 - 11 (the corresponding dimensionless amplitude h ≥ 10 - 33 at 1 GHz), while potentially establishing new constraints for G μ ≤ 10 - 11 in the microwave band. These findings would complement existing multi-band SGWB observations and provide additional constraints on cosmic-string tension parameters in GHz frequency regimes. [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: The constraints on the stochastic gravitational wave background from cosmic strings by an electromagnetic resonance system.
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  Data: <searchLink fieldCode="AR" term="%22Li%2C+Jin%22">Li, Jin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Meijin%22">Li, Meijin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Nan%22">Yang, Nan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Li%22">Wang, Li</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> wangliyu@cqu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Yu%2C+Hao%22">Yu, Hao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Huang%2C+Yingzhou%22">Huang, Yingzhou</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lin%2C+Kai%22">Lin, Kai</searchLink><relatesTo>4,5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lin%2C+Zi-Chao%22">Lin, Zi-Chao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Fangyu%22">Li, Fangyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+C+--+Particles+%26+Fields%22">European Physical Journal C -- Particles & Fields</searchLink>. Sep2025, Vol. 85 Issue 9, p1-13. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Cosmic+strings%22">Cosmic strings</searchLink><br /><searchLink fieldCode="DE" term="%22Gravitational+waves%22">Gravitational waves</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+resonance%22">Magnetic resonance</searchLink><br /><searchLink fieldCode="DE" term="%22Scientific+observation%22">Scientific observation</searchLink><br /><searchLink fieldCode="DE" term="%22Gravitational+wave+astronomy%22">Gravitational wave astronomy</searchLink><br /><searchLink fieldCode="DE" term="%22Sensitivity+analysis%22">Sensitivity analysis</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: As one of the primary detection targets for contemporary gravitational wave (GW) observatories, the stochastic gravitational wave background (SGWB) holds significant potential for enhancing our understanding of the early universe's formation and evolution. Studies indicate that the SGWB spectrum from cosmic strings can span an extraordinarily broad frequency range, extending from extremely low frequencies up to the microwave band. This work specifically investigates the detectability of cosmic string SGWB signals in an electromagnetic (EM) resonance system at GHz frequency. We present a systematic analysis encompassing: (1) the response of high frequency gravitational waves (HFGWs) in such EM resonance system. (2) The development and application of fundamental data processing protocols in the EM resonance system. Our results demonstrate that the EM system shows promising sensitivity to detect cosmic string SGWB signals with tension parameters G μ ≥ 10 - 11 (the corresponding dimensionless amplitude h ≥ 10 - 33 at 1 GHz), while potentially establishing new constraints for G μ ≤ 10 - 11 in the microwave band. These findings would complement existing multi-band SGWB observations and provide additional constraints on cosmic-string tension parameters in GHz frequency regimes. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1140/epjc/s10052-025-14765-y
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        Text: English
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      – SubjectFull: Cosmic strings
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      – SubjectFull: Gravitational waves
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      – SubjectFull: Magnetic resonance
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      – SubjectFull: Scientific observation
        Type: general
      – SubjectFull: Gravitational wave astronomy
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      – SubjectFull: Sensitivity analysis
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            – D: 01
              M: 09
              Text: Sep2025
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              Y: 2025
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