Submitted

  1. D. G. Figueroa, K. Marschall, A. S. Midiri, A. Roper Pol, The art of simulating the early Universe. Part III. Scalar-Gauge-Fluid Dynamics, submitted to J. Cosmol. Astropart. Phys. (2026) , arXiv: 2607.27141.

Published

  1. C. Caprini, A. S. Midiri, S. Procacci, A. Roper Pol, Fluid perturbations from expanding bubbles in first-order phase transitions, J. Cosmol. Astropart. Phys. accepted for publication (2026) , arXiv: 2604.02240.
  2. M. Gurgenidze, A. J. Long, A. Roper Pol, A. Brandenburg, T. Kahniashvili, Primordial magnetic field from chiral plasma instability with sourcing, Phys. Rev. D 114 (2025) 2, 023542 , arXiv: 2512.09177.
  3. A. Roper Pol, A. S. Midiri, Relativistic magnetohydrodynamics in the early Universe, J. Cosmol. Astropart. Phys. 06 (2025) 070 , arXiv: 2501.05732.
  4. C. Caprini, R. Jinno, T. Konstandin, A. Roper Pol, H. Rubira, I. Stomberg, Gravitational waves from first-order phase transitions: from weak to strong, J. High Energy Phys. 07 (2025) 217 , arXiv: 2409.03651.
  5. [LGWA Collaboration] (incl. A. Roper Pol), The Lunar Gravitational-wave Antenna: Mission studies and science case, J. Cosmol. Astropart. Phys. 01 (2025) 108 , arXiv: 2404.09181.
  6. [LISA Cosmology Working Group], C. Caprini, R. Jinno, M. Lewicki, E. Madge, M. Merchand, G. Nardini, M. Pieroni, A. Roper Pol, V. Vaskonen, Gravitational waves from first-order phase transitions in LISA: Reconstruction pipeline and physics interpretation, J. Cosmol. Astropart. Phys. 10 (2024) 020 , arXiv: 2403.03723.
  7. A. Roper Pol, S. Procacci, C. Caprini, Characterization of the gravitational wave spectrum from sound waves within the sound shell model, Phys. Rev. D 109 (2024) 6, 063531 , arXiv: 2308.12943.
  8. A. Roper Pol, A. Neronov, C. Caprini, T. Boyer, D. Semikoz, LISA and γ-ray telescopes as multi-messenger probes of a first-order cosmological phase transition, Astron. Astrophys. 708 (2023) A337 , arXiv: 2307.10744.
  9. [EPTA and InPTA Collaborations] (incl. A. Roper Pol), The second data release from the European Pulsar Timing Array IV: Implications for massive black holes, dark matter and the early Universe, Astron. Astrophys. 685 (2024) A94 , arXiv: 2306.16227.
  10. Y. He, A. Roper Pol, A. Brandenburg, Modified propagation of gravitational waves from the early radiation era, J. Cosmol. Astropart. Phys. 06 (2023) 025 , arXiv: 2212.06082.
  11. [LISA Cosmology Working Group] (incl. A. Roper Pol), Cosmology with the Laser Interferometer Space Antenna, Living Rev. Relativ. 26 (2023) 1, 5 , arXiv: 2204.05434.
  12. A. Roper Pol, C. Caprini, A. Neronov, and D. Semikoz, Gravitational wave signal from primordial magnetic fields in the Pulsar Timing Array frequency band, Phys. Rev. D 105 (2022) 12, 123502 , arXiv: 2201.05630.
  13. A. Roper Pol, S. Mandal, A. Brandenburg, T. Kahniashvili, Polarization of gravitational waves from helical MHD turbulent sources, J. Cosmol. Astropart. Phys. 04 (2022) 019 , arXiv: 2107.05356.
  14. A. Brandenburg, G. Gogoberidze, T. Kahniashvili, S. Mandal, A. Roper Pol, N. Shenoy, The scalar, vector, and tensor modes in gravitational wave turbulence simulations, Class. Quantum Grav. 38 (2021) 14, 145002 , arXiv: 2103.01140.
  15. T. Kahniashvili, A. Brandenburg, G. Gogoberidze, S. Mandal, A. Roper Pol, Circular polarization of gravitational waves from early-universe helical turbulence, Phys. Rev. Res. 3 (2021) 013193 , arXiv: 2011.05556.
  16. A. Neronov, A. Roper Pol, C. Caprini, D. Semikoz, NANOGrav signal from MHD turbulence at the QCD phase transition in the early universe, Phys. Rev. D 103 (2021) L041302 , arXiv: 2009.14174.
  17. A. Roper Pol, S. Mandal, A. Brandenburg, T. Kahniashvili, A. Kosowsky, Numerical simulations of gravitational waves from early-universe turbulence, Phys. Rev. D 102 (2020) 083512 , arXiv: 1903.08585.
  18. A. Roper Pol, A. Brandenburg, T. Kahniashvili, A. Kosowsky, S. Mandal, The timestep constraint in solving the gravitational wave equations sourced by hydromagnetic turbulence, Geophys. Astrophys. Fluid Dyn. 114 (2020) 130 , arXiv: 1807.05479.
  19. A. Brandenburg, A. Bracco, T. Kahniashvili, S. Mandal, A. Roper Pol, G.J.D. Petrie, N.K. Singh, E and B polarizations from inhomogeneous and solar surface turbulence, Astrophys. J. 870 (2019) 87 , arXiv: 1807.11457.
  20. A. Brandenburg, T. Kahniashvili, S. Mandal, A. Roper Pol, A.G. Tevzadze, T. Vachaspati, The dynamo effect in decaying helical turbulence, Phys. Rev. Fluids 4 (2019) 024608 , arXiv: 1710.01628.
  21. A. Brandenburg, T. Kahniashvili, S. Mandal, A. Roper Pol, A.G. Tevzadze, T. Vachaspati, Evolution of hydromagnetic turbulence from the electroweak phase transition, Phys. Rev. D 96 (2017) 123528 , arXiv: 1711.03804.

Preprints

  1. Y. He, A. Roper Pol, A. Brandenburg, Leading-order nonlinear gravitational waves from reheating magnetogeneses, (2021) , arXiv: 2110.14456.

Proceedings

  1. I. Stomberg, A. Roper Pol, Gravitational wave spectra for cosmological phase transitions with non-linear decay of the fluid motion, Contribution to "Proceedings of the 59th Rencontres de Moriond on Gravitation" (2025) , arXiv: 2508.04263.
  2. A. Roper Pol, Gravitational waves from MHD turbulence at the QCD phase transition as a source for Pulsar Timing Arrays, Contribution to "Proceedings of the 56th Rencontres de Moriond on Gravitation" (2022) , arXiv: 2205.09261.
  3. A. Roper Pol, Gravitational radiation from MHD turbulence in the early universe, Contribution to "Proceedings of the 55th Rencontres de Moriond on Gravitation" (2021) , arXiv: 2105.08287.
  4. T. Kahniashvili, A. Brandenburg, A. Kosowsky, S. Mandal, A. Roper Pol, Magnetism in the Early Universe, Contribution to "Proceedings of the IAU, FM8: New Insights in Extragalactic Magnetic Fields" (2019) , arXiv: 1810.11876.

Datasets

  1. M. Gurgenidze, A. J. Long, A. Roper Pol, A. Brandenburg, T. Kahniashvili, Dataset for "Primordial magnetic field from chiral plasma instability with sourcing," doi:10.5281/zenodo.17852669 (2025), arXiv: 2512.09177.
  2. A. Roper Pol, C. Caprini, A. Neronov, and D. Semikoz, Dataset for "Gravitational wave signal from primordial magnetic fields in the Pulsar Timing Array frequency band," doi:10.5281/zenodo.5782752 (2022), arXiv: 2201.05630.
  3. Y. He, A. Roper Pol, A. Brandenburg, Dataset for "Leading-order nonlinear gravitational waves from reheating magnetogeneses," doi:10.5281/zenodo.5603013 (2021), arXiv: 2110.14456.
  4. A. Roper Pol, S. Mandal, A. Brandenburg, T. Kahniashvili, Dataset for "Polarization of gravitational waves from helical MHD turbulent sources," doi:10.5281/zenodo.5525504 (2022), arXiv: 2107.05356.
  5. T. Kahniashvili, A. Brandenburg, G. Gogoberidze, S. Mandal, A. Roper Pol, Dataset for "Circular polarization of gravitational waves from early-universe helical turbulence," doi:10.5281/zenodo.4256906 (2021), arXiv: 2011.05556.
  6. A. Roper Pol, S. Mandal, A. Brandenburg, T. Kahniashvili, A. Kosowsky, Dataset for "Numerical simulations of gravitational waves from early-universe turbulence," doi:10.5281/zenodo.3692072 (2020), arXiv: 1903.08585.
  7. A. Brandenburg, T. Kahniashvili, S. Mandal, A. Roper Pol, A.G. Tevzadze, T. Vachaspati, Dataset for "The dynamo effect in decaying helical turbulence," doi:10.5281/zenodo.3345134 (2019), arXiv: 1710.01628.