Roy Choudhury, Shouvik 羅哲仙

Distinguished Postdoc Fellow

PDF version of CV

Office: ASMAB 1305

Email: sroyasiaa.sinica.edu.tw

My Publications from ADS

Complete List of Publications

Research Interests

Data-driven Theoretical Cosmology - neutrinos, inflation, dark energy, dark matter

Journal Papers affiliated with ASIAA(7)

1. Roy Choudhury S, "Updated 1.1% Precision Values of the Hubble Constant with Corrected Pantheon+ and DES-DOVEKIE Type Ia Supernovae", ApJL: 1008(2), L50, Sep, 2026 [SCI] ( ADS | Fulltext )
2. Roy Choudhury S; Okumura T; Umetsu K, "Cosmological Constraints on Nonphantom Dynamical Dark Energy with DESI Data Release 2 Baryon Acoustic Oscillations: A 3σ+ Lensing Anomaly", ApJL: 994(1), id. L26, Nov, 2025 [SCI]
3. Di Valentino E; Levi Said J; Riess A; ...; Kuo C-Y; ...; Wagner J;...; Suyu S H; Roy Choudhury S; et al. (The paper has 543 authors.in total), "The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics", Physics of the Dark Universe: 49, id.101965, Sep, 2025 [SCI]
4. Roy Choudhury S, "Cosmology in Extended Parameter Space with DESI DR2 BAO: A 2 σ + Detection of Non-zero Neutrino Masses with an Update on Dynamical Dark Energy and Lensing Anomaly", ApJL: 986(2), id.L31, Jun, 2025 [SCI]
5. Roy Choudhury S; Okumura T, "Updated Cosmological Constraints in Extended Parameter Space with Planck PR4, DESI Baryon Acoustic Oscillations, and Supernovae: Dynamical Dark Energy, Neutrino Masses, Lensing Anomaly, and the Hubble Tension", ApJL: 976(1), id. L11 (10pp), Nov, 2024 [SCI]
6. Bostan N; Roy Choudhury S, "First constraints on non-minimally coupled Natural and Coleman-Weinberg inflation and massive neutrino self-interactions with Planck+BICEP/Keck", JCAP: 2024(07), id.032 (30pp), July, 2024 [SCI]
7. Ruchika; Rathore H; Roy Choudhury S; Rentala V, "A gravitational constant transition within cepheids as supernovae calibrators can solve the Hubble tension", JCAP: 2024, id.056, June, 2024 [SCI]