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21-cm power spectrum in interacting cubic Galileon model

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Abstract

We study detectability of the deviation in interacting and non-interacting cubic Galileon models from the \(\Lambda \)CDM model through the 21-cm power spectrum. We show that the interferometric observations like the upcoming SKA1-mid can detect the deviations in both interacting and non-interacting cubic Galileon model from the \(\Lambda \)CDM model depending on the parameter values.

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Acknowledgements

AAS acknowledges the funding from SERB, Government of India, under the research grant no: CRG/2020/004347. BRD would like to acknowledge IISER Kolkata, for the financial support through the postdoctoral fellowship.

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Correspondence to Bikash R. Dinda.

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Dinda, B.R., Hossain, M.W. & Sen, A.A. 21-cm power spectrum in interacting cubic Galileon model. J Astrophys Astron 44, 85 (2023). https://doi.org/10.1007/s12036-023-09976-2

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  • DOI: https://doi.org/10.1007/s12036-023-09976-2

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