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  1. No Access

    Article

    Cosmological interpretation for the stochastic signal in pulsar timing arrays

    The pulsar timing array (PTA) collaborations have recently reported compelling evidence for a stochastic signal consistent with a gravitational-wave background. In this paper, we combine the latest data sets f...

    Yu-Mei Wu, Zu-Cheng Chen, Qing-Guo Huang in Science China Physics, Mechanics & Astronomy (2024)

  2. Article

    Editorial

    Qing-Guo Huang in Science China Physics, Mechanics & Astronomy (2023)

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  3. No Access

    Article

    Implications for the supermassive black hole binaries from the NANOGrav 15-year data set

    Several pulsar timing array (PTA) collaborations, including NANOGrav, EPTA, PPTA, and CPTA, have announced the evidence for a stochastic signal consistent with a stochastic gravitational wave background (SGWB)...

    Yan-Chen Bi, Yu-Mei Wu, Zu-Cheng Chen… in Science China Physics, Mechanics & Astrono… (2023)

  4. No Access

    Article

    Primordial black holes generated by the non-minimal spectator field

    We improve and generalize the non-minimal curvaton model originally proposed in ar**v: 2112.12680 to a model in which a spectator field non-minimally couples to an inflaton field and the power spectrum of the ...

    De-Shuang Meng, Chen Yuan, Qing-Guo Huang in Science China Physics, Mechanics & Astronomy (2023)

  5. No Access

    Article

    Non-tensorial gravitational wave background in NANOGrav 12.5-year data set

    We perform the first search for an isotropic non-tensorial gravitational-wave background (GWB) allowed in general metric theories of gravity in the North American Nanohertz Observatory for Gravitational Waves ...

    Zu-Cheng Chen, Chen Yuan, Qing-Guo Huang in Science China Physics, Mechanics & Astronomy (2021)

  6. Article

    Erratum to: Measuring the tilt of primordial gravitational-wave power spectrum from observations

    In the original publication of this paper [1], the spell of second author’s name is given incorrectly. The name should be corrected as: Zu-Cheng Chen.

    Jun Li, Zu-Cheng Chen, Qing-Guo Huang in Science China Physics, Mechanics & Astronomy (2021)

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  7. No Access

    Article

    Measuring H0 from low-z datasets

    The Hubble constant H0 represents the expansion rate of the Universe at present and is closely related to the age of the Universe. The accurate measurement of Hubble constant is crucial for modern cosmology. Howe...

    Xue Zhang, Qing-Guo Huang in Science China Physics, Mechanics & Astronomy (2020)

  8. Article

    Measuring the tilt of primordial gravitational-wave power spectrum from observations

    Jun Li, Zu-Cheng Che, Qing-Guo Huang in Science China Physics, Mechanics & Astronomy (2019)

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  9. No Access

    Article

    Inflation model selection revisited

    We update the constraints on the power spectra of primordial curvature perturbation and tensor perturbation including Planck data 2015 (P15) and recently released BICEP2/Keck data (BK15), Baryon Acoustic Oscil...

    Jun Li, Qing-Guo Huang in Science China Physics, Mechanics & Astronomy (2019)

  10. No Access

    Article

    Detecting the neutrinos mass hierarchy from cosmological data

    Li**n Xu, Qing-Guo Huang in Science China Physics, Mechanics & Astronomy (2017)