March 21, 2025 article Open access Constraining string cosmology with the gravitational-wave background using the NANOGrav 15-year data set The European Physical Journal C DOI: 10.1140/epjc/s10052-025-13998-1 Full text (OA) OpenAlex Authors 0 Author list not loaded yet. Cited by 0 stored of 9 References 3 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access Planck 2018 results 2020 Astronomy and Astrophysics article Physics and Astronomy Cosmology and Gravitation Theories Open access 14,249 citations Broken blue-tilted inflationary gravitational waves: a joint analysis of NANOGrav 15-year and BICEP/Keck 2018 data 2024 Journal of Cosmology and Astroparticle Physics article Physics and Astronomy Cosmology and Gravitation Theories Open access 46 citations Null energy condition violation during inflation and pulsar timing array observations 2024 Journal of High Energy Physics article Physics and Astronomy Cosmology and Gravitation Theories Open access 26 citations 3 results