Acharya, Sandeep Kumar
- CMB spectral distortions constraints on primordial black holes, cosmic\n strings and long lived unstable particles revisited
2019/12/23 by Sandeep Kumar Acharya, Rishi Khatri, Acharya, Sandeep Kumar +1 · 2 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Cosmology and Nongalactic Astrophysics (astro-ph.CO) #Dark Matter and Cosmic Phenomena #FOS: Physical sciences #High Energy Astrophysical Phenomena (astro-ph.HE) #High Energy Physics - Phenomenology (hep-ph)
- Disentangling the primordial nature of stochastic gravitational wave backgrounds with CMB spectral distortions
2023/09/05 by Cyr, Bryce, Kite, Thomas, Chluba, Jens +5 · 2 citations
#Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #High Energy Physics - Phenomenology (hep-ph)
- Soft Photon Heating: A Semi-Analytic Framework and Applications to 21cm Cosmology
2024/04/17 by Bryce Cyr, Sandeep Kumar Acharya, Cyr, Bryce +3 · 2 citations
Engineering · Physics and Astronomy · #Adaptive optics and wavefront sensing #Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #High Energy Physics - Phenomenology (hep-ph) #Optical properties and cooling technologies in crystalline materials #Semiconductor Lasers and Optical Devices
- Constraints on the spectral signatures of superconducting cosmic strings
2023/05/16 by Bryce Cyr, Cyr, Bryce, Jens Chluba +3 · 1 citation
Earth and Planetary Sciences · Physics and Astronomy · #Cosmology and Gravitation Theories #Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #Geophysics and Gravity Measurements #High Energy Physics - Phenomenology (hep-ph) #Radio Astronomy Observations and Technology
- A cosmic string solution to the radio synchrotron background
2023/08/07 by Bryce Cyr, Jens Chluba, Cyr, Bryce +3 · 1 citation
Physics and Astronomy · Engineering · #Radio Astronomy Observations and Technology #Astrophysics and Cosmic Phenomena #Particle Accelerators and Free-Electron Lasers
- Persistent radio sources associated with fast radio bursts: Implications from magnetar progenitors
2025/04/01 by Rahaman, Sk. Minhajur, Acharya, Sandeep Kumar, Beniamini, Paz +1 · 3 citations
#FOS: Physical sciences #High Energy Astrophysical Phenomena (astro-ph.HE)
- Utilizing localized fast radio bursts to constrain their progenitors and the expansion history of the Universe
2025/03/11 by Acharya, Sandeep Kumar, Beniamini, Paz · 2 citations
#Astrophysics of Galaxies (astro-ph.GA) #Cosmology and Nongalactic Astrophysics (astro-ph.CO) #FOS: Physical sciences #High Energy Astrophysical Phenomena (astro-ph.HE)