Anto Idicherian Lonappan

@ucsd.edu

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

Anto Idicherian Lonappan


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https://researchid.co/antolonappan

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