Anto Idicherian Lonappan

@ucsd.edu

Postdoctoral Fellow, Department of Physics
University of California, San Diego

Anto Idicherian Lonappan

RESEARCH INTERESTS

Gravitational Lensing of CMB
Observational Cosmology
Dark Energy Phenomenology
AGN feedback
854

Scholar Citations

13

Scholar h-index

14

Scholar i10-index

RECENT SCHOLAR PUBLICATIONS

  • The Simons Observatory: forecasted constraints on primordial gravitational waves with the expanded array of Small Aperture Telescopes
    I Abril-Cabezas, S Adachi, P Ade, AE Adler, P Agrawal, J Aguirre, S Aiola, ...
    Journal of Cosmology and Astroparticle Physics 2026 (04), 051 , 2026
    2026
    Citations: 1
  • Mitigating half-wave plate systematics at the map-making level: calibration requirements for LiteBIRD
    N Raffuzzi, A Carones, M Monelli, S Giardiello, L Pagano, Y Sakurai, ...
    arXiv preprint arXiv:2602.02410 , 2026
    2026
  • LiteBIRD science goals and forecasts. E -mode anomalies
    AJ Banday, C Gimeno-Amo, P Diego-Palazuelos, E de la Hoz, ...
    Journal of Cosmology and Astroparticle Physics 2026 (01), 036 , 2026
    2026
    Citations: 1
  • LiteBIRD science goals and forecasts: improved full-sky reconstruction of the gravitational lensing potential through the combination of Planck and LiteBIRD data
    M Ruiz-Granda, P Diego-Palazuelos, C Gimeno-Amo, P Vielva, ...
    Journal of Cosmology and Astroparticle Physics 2025 (11), 073 , 2025
    2025
    Citations: 2
  • First release of LiteBIRD simulations from an end-to-end pipeline
    M Bortolami, N Raffuzzi, L Pagano, G Puglisi, A Anand, AJ Banday, ...
    Journal of Cosmology and Astroparticle Physics 2025 (11), 042 , 2025
    2025
    Citations: 3
  • On the computational feasibility of Bayesian end-to-end analysis of LiteBIRD simulations within Cosmoglobe
    R Aurvik, M Galloway, E Gjerløw, U Fuskeland, A Basyrov, M Bortolami, ...
    Journal of Cosmology and Astroparticle Physics 2025 (11), 041 , 2025
    2025
    Citations: 2
  • A simulation framework for the LiteBIRD instruments
    M Tomasi, L Pagano, A Anand, C Baccigalupi, AJ Banday, M Bortolami, ...
    Journal of Cosmology and Astroparticle Physics 2025 (11), 040 , 2025
    2025
    Citations: 5
  • Requirements on bandpass resolution and measurement precision for LiteBIRD
    S Giardiello, A Carones, T Ghigna, L Pagano, F Piacentini, L Montier, ...
    Journal of Cosmology and Astroparticle Physics 2025 (10), 038 , 2025
    2025
    Citations: 2
  • The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics
    E Di Valentino, JL Said, A Riess, A Pollo, V Poulin, A Gómez-Valent, ...
    Physics of the Dark Universe 49, 101965 , 2025
    2025
    Citations: 381
  • The Simons Observatory: science goals and forecasts for the enhanced Large Aperture Telescope
    M Abitbol, I Abril-Cabezas, S Adachi, P Ade, AE Adler, P Agrawal, ...
    Journal of Cosmology and Astroparticle Physics 2025 (08), 034 , 2025
    2025
    Citations: 101
  • Constraints on anisotropic cosmic birefringence from CMB -mode polarization
    AI Lonappan, B Keating, K Arnold
    Physical Review D 112 (2), 023555 , 2025
    2025
    Citations: 2
  • Open Source Planning & Control System with Language Agents for Autonomous Scientific Discovery
    L Xu, M Sarkar, AI Lonappan, Í Zubeldia, P Villanueva-Domingo, S Casas, ...
    arXiv preprint arXiv:2507.07257 , 2025
    2025
    Citations: 2
  • Improving cosmic birefringence constraints via delensing
    AI Lonappan
    Journal of Cosmology and Astroparticle Physics 2025 (07), 009 , 2025
    2025
    Citations: 4
  • ournal of Cosmology and Astroparticle Physics
    DFG Fiorillo, F Testagrossa, C Yuan, M Petropoulou, W Winter
    2025
  • ournal of Cosmology and Astroparticle Physics
    AI Lonappan
    2025
  • Requirements on the gain calibration for LiteBIRD polarisation data with blind component separation
    F Carralot, A Carones, N Krachmalnicoff, T Ghigna, A Novelli, L Pagano, ...
    Journal of Cosmology and Astroparticle Physics 2025 (01), 019 , 2025
    2025
    Citations: 4
  • Multi-dimensional optimisation of the scanning strategy for the LiteBIRD space mission
    Y Takase, L Vacher, H Ishino, G Patanchon, L Montier, SL Stever, ...
    Journal of Cosmology and Astroparticle Physics 2024 (12), 036 , 2024
    2024
    Citations: 3
  • LiteBIRD science goals and forecasts. Mapping the hot gas in the Universe
    M Remazeilles, M Douspis, JA Rubiño-Martín, AJ Banday, J Chluba, ...
    Journal of Cosmology and Astroparticle Physics 2024 (12), 026 , 2024
    2024
    Citations: 11
  • Exploration of the polarization angle variability of the Crab Nebula with POLARBEAR and its application to the search for axionlike particles
    S Adachi, T Adkins, C Baccigalupi, Y Chinone, KT Crowley, J Errard, ...
    Physical Review D 110 (6), 063013 , 2024
    2024
    Citations: 19
  • The LiteBIRD mission to explore cosmic inflation
    T Ghigna, A Adler, K Aizawa, H Akamatsu, R Akizawa, E Allys, A Anand, ...
    Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter … , 2024
    2024
    Citations: 18

MOST CITED SCHOLAR PUBLICATIONS

  • The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics
    E Di Valentino, JL Said, A Riess, A Pollo, V Poulin, A Gómez-Valent, ...
    Physics of the Dark Universe 49, 101965 , 2025
    2025
    Citations: 381
  • The Simons Observatory: science goals and forecasts for the enhanced Large Aperture Telescope
    M Abitbol, I Abril-Cabezas, S Adachi, P Ade, AE Adler, P Agrawal, ...
    Journal of Cosmology and Astroparticle Physics 2025 (08), 034 , 2025
    2025
    Citations: 101
  • Bayesian Evidences for Dark Energy models in light of current obsevational data
    A Lonappan, S Kumar, Ruchika, BR Dinda, AA Sen
    Phy Rev D 97 (4), 043524 , 2018
    2018
    Citations: 61
  • LiteBIRD science goals and forecasts. A case study of the origin of primordial gravitational waves using large-scale CMB polarization
    P Campeti, E Komatsu, C Baccigalupi, M Ballardini, N Bartolo, A Carones, ...
    Journal of Cosmology and Astroparticle Physics 2024 (06), 008 , 2024
    2024
    Citations: 41
  • Improved Upper Limit on Degree-scale CMB B -mode Polarization Power from the 670 Square-degree POLARBEAR Survey
    Polarbear Collaboration, S Adachi, T Adkins, MAO Aguilar Faúndez, ...
    The Astrophysical Journal 931 (2), 101 , 2022
    2022
    Citations: 40
  • Tensor-to-scalar ratio forecasts for extended LiteBIRD frequency configurations
    U Fuskeland, J Aumont, R Aurlien, C Baccigalupi, AJ Banday, HK Eriksen, ...
    Astronomy & Astrophysics 676, A42 , 2023
    2023
    Citations: 31
  • The Simons Observatory: Combining cross-spectral foreground cleaning with multitracer -mode delensing for improved constraints on inflation
    E Hertig, K Wolz, T Namikawa, AB Lizancos, S Azzoni, I Abril-Cabezas, ...
    Physical Review D 110 (4), 043532 , 2024
    2024
    Citations: 26
  • LiteBIRD science goals and forecasts: improving sensitivity to inflationary gravitational waves with multitracer delensing
    T Namikawa, AI Lonappan, C Baccigalupi, N Bartolo, D Beck, K Benabed, ...
    Journal of Cosmology and Astroparticle Physics 2024 (06), 010 , 2024
    2024
    Citations: 24
  • Exploration of the polarization angle variability of the Crab Nebula with POLARBEAR and its application to the search for axionlike particles
    S Adachi, T Adkins, C Baccigalupi, Y Chinone, KT Crowley, J Errard, ...
    Physical Review D 110 (6), 063013 , 2024
    2024
    Citations: 19
  • The LiteBIRD mission to explore cosmic inflation
    T Ghigna, A Adler, K Aizawa, H Akamatsu, R Akizawa, E Allys, A Anand, ...
    Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter … , 2024
    2024
    Citations: 18
  • LiteBIRD science goals and forecasts: a full-sky measurement of gravitational lensing of the CMB
    AI Lonappan, T Namikawa, G Piccirilli, P Diego-Palazuelos, ...
    Journal of Cosmology and Astroparticle Physics 2024 (06), 009 , 2024
    2024
    Citations: 18
  • LiteBIRD science goals and forecasts: primordial magnetic fields
    D Paoletti, JA Rubino-Martin, M Shiraishi, D Molinari, J Chluba, F Finelli, ...
    Journal of Cosmology and Astroparticle Physics 2024 (07), 086 , 2024
    2024
    Citations: 16
  • Impact of beam far side-lobe knowledge in the presence of foregrounds for LiteBIRD
    C Leloup, G Patanchon, J Errard, C Franceschet, JE Gudmundsson, ...
    Journal of Cosmology and Astroparticle Physics 2024 (06), 011 , 2024
    2024
    Citations: 14
  • LiteBIRD science goals and forecasts. Mapping the hot gas in the Universe
    M Remazeilles, M Douspis, JA Rubiño-Martín, AJ Banday, J Chluba, ...
    Journal of Cosmology and Astroparticle Physics 2024 (12), 026 , 2024
    2024
    Citations: 11
  • Optical characterization of OMT-coupled TES bolometers for LiteBIRD
    J Hubmayr, PAR Ade, A Adler, E Allys, D Alonso, K Arnold, D Auguste, ...
    Journal of Low Temperature Physics 209 (3), 396-408 , 2022
    2022
    Citations: 8
  • Cosmological Simulation of Galaxy Groups and Clusters-I: Global Effect of Feedback from Active Galactic Nuclei
    RK Chowdhury, S Chatterjee, A Lonappan, N Khandai, T DiMatteo
    ApJ 889, 60 , 2019
    2019
    Citations: 7
  • A simulation framework for the LiteBIRD instruments
    M Tomasi, L Pagano, A Anand, C Baccigalupi, AJ Banday, M Bortolami, ...
    Journal of Cosmology and Astroparticle Physics 2025 (11), 040 , 2025
    2025
    Citations: 5
  • The Simons Observatory: impact of bandpass, polarization angle and calibration uncertainties on small-scale power spectrum analysis
    S Giardiello, M Gerbino, L Pagano, D Alonso, B Beringue, B Bolliet, ...
    Journal of Cosmology and Astroparticle Physics 2024 (09), 008 , 2024
    2024
    Citations: 5
  • Improving cosmic birefringence constraints via delensing
    AI Lonappan
    Journal of Cosmology and Astroparticle Physics 2025 (07), 009 , 2025
    2025
    Citations: 4
  • Requirements on the gain calibration for LiteBIRD polarisation data with blind component separation
    F Carralot, A Carones, N Krachmalnicoff, T Ghigna, A Novelli, L Pagano, ...
    Journal of Cosmology and Astroparticle Physics 2025 (01), 019 , 2025
    2025
    Citations: 4