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Publications

Book Chapters

  1. The interplay between dust and radiation
    A. J. Richings, 2024, in Astrochemical Modelling: Practical aspects of microphysics in numerical simulations, Edited by S. Bovino & T. Grassi, ISBN: 978-0-323-91746-9, Elsevier, p. 157-188

Refereed Journal Articles

  1. A hybrid active galactic nucleus feedback model with spinning black holes, winds and jets
    F. Huško, C. G. Lacey, J. Schaye, M. Schaller, E. Chaikin, S. Ploeckinger, A. Benítez-Llambay, A. J. Richings, J. W. Trayford, 2025, arXiv:2509.05179, submitted to MNRAS
  2. COLIBRE: calibrating subgrid feedback in cosmological simulations that include a cold gas phase
    E. Chaikin, J. Schaye, M. Schaller, S. Ploeckinger, Y. M. Bahé, A. Benítez-Llambay, C. Correa, V. J. Forouhar Moreno, C. S. Frenk, F. Huško, R. Kugel, R. McGibbon, A. J. Richings, J. W. Trayford, J. Borrow, R. A. Crain, J. C. Helly, C. G. Lacey, A. Ludlow, F. S. J. Nobels, 2025, arXiv:2509.04067, submitted to MNRAS
  3. The COLIBRE project: cosmological hydrodynamical simulations of galaxy formation and evolution
    J. Schaye, E. Chaikin, M. Schaller, S. Ploeckinger, F. Huško, R. McGibbon, J. W. Trayford, A. Benítez-Llambay, C. Correa, C. S. Frenk, A. J. Richings, V. J. Forouhar Moreno, Y. M. Bahé, J. Borrow, A. Durrant, A. Gebek, J. C. Helly, A. Jenkins, C. G. Lacey, A. Ludlow, F. S. J. Nobels, 2025, arXiv:2508.21126, submitted to MNRAS
  4. SPARCS - combining radiation hydrodynamics with non-equilibrium metal chemistry in the SWIFT astrophysical code
    T. K. Chan, A. J. Richings, T. Theuns, Y. Liu, M. Schaller, M. Ivkovic, 2025, arXiv:2508.13277, submitted to MNRAS
  5. Modelling the evolution and influence of dust in cosmological simulations that include the cold phase of the interstellar medium
    J. W. Trayford, J. Schaye, C. Correa, S. Ploeckinger, A. J. Richings, E. Chaikin, M. Schaller, A. Benítez-Llambay, C. Frenk, F. Huško, 2025, arXiv:2505.13056, submitted to MNRAS
  6. Hybrid-chimes: A model for radiative cooling and the abundances of ions and molecules in simulations of galaxy formation
    S. Ploeckinger, A. J. Richings, J. Schaye, J. W. Trayford, M. Schaller, E. Chaikin, 2025, arXiv:2506.15773, accepted for publication in MNRAS
  7. Hydrodynamic simulations of the Disc of Gas Around Supermassive black holes (HDGAS) -II; The transition from neutral atomic to molecular gas phases
    M. Raouf, S. Viti, R. Karimi, A. J. Richings, 2025, MNRAS, 539, 1516
  8. Tests of subgrid models for star formation using simulations of isolated disk galaxies
    F. S. J. Nobels, J. Schaye, M. Schaller, S. Ploeckinger, E. Chaikin, A. J. Richings, 2024, MNRAS, 532, 3299
  9. Predictions for CO emission and the CO-to-H2 conversion factor in galaxy simulations with non-equilibrium chemistry
    O. A. Thompson, A. J. Richings, B. K. Gibson, C.-A. Faucher-Giguère, R. Feldmann, C. C. Hayward, 2024, MNRAS, 532, 1948
  10. Dense stellar clump formation driven by strong quasar winds in the FIRE cosmological hydrodynamic simulations
    J. Mercedes-Feliz, D. Anglés-Alcázar, B. Kiat Oh, C. C. Hayward, R. K. Cochrane, A. J. Richings, C.-A. Faucher-Giguère, S. Wellons, B. A. Terrazas, J. Moreno, K. Y. Su, P. F. Hopkins, 2024, MNRAS, 530, 2795
  11. [CII] 158 μm emission as an indicator of galaxy star formation rate
    L. Liang, R. Feldmann, N. Murray, D. Narayanan, C. C. Hayward, D. Anglés-Alcázar, L. Bassini, A. J. Richings, C.-A. Faucher-Giguère, D. T. Chung, J. Y. H. Chan, O. Çatmabacak, D. Kereš, P. F. Hopkins, 2024, MNRAS, 528, 499
  12. Local positive feedback in the overall negative: the impact of quasar winds on star formation in the FIRE cosmological simulations
    J. Mercedes-Feliz, D. Anglés-Alcázar, C. C. Hayward, R. K. Cochrane, B. A. Terrazas, S. Wellons, A. J. Richings, C.-A. Faucher-Giguère, J. Moreno, K. Y. Su, P. F. Hopkins, E. Quataert, D. Kereš, 2023, MNRAS, 524, 3446
  13. Hydrodynamic simulations of the Disk of Gas Around Supermassive black holes (HDGAS) -I; Molecular Gas Dynamics
    M. Raouf, S. Viti, S. García-Burillo, A. J. Richings, J. Schaye, A. Bemis, F. S. J. Nobels, M. Guainazzi, K.-Y. Huang, M. Schaller, V. Impellizzeri, J. Holdship, 2023, MNRAS, 524, 786
  14. Rapid disc settling and the transition from bursty to steady star formation in Milky Way-mass galaxies
    A. B. Gurvich, J. Stern, C.-A. Faucher-Giguère, P. F. Hopkins, A. Wetzel, J. Moreno, C. C. Hayward, A. J. Richings, Z. Hafen, 2023, MNRAS, 519, 2598
  15. The effects of local stellar radiation and dust depletion on non-equilibrium interstellar chemistry
    A. J. Richings, C.-A. Faucher-Giguère, A. B. Gurvich, J. Schaye, C. C. Hayward, 2022, MNRAS, 517, 1557
  16. Unravelling the physics of multiphase AGN winds through emission line tracers
    A. J. Richings, C.-A. Faucher-Giguère, J. Stern, 2021, MNRAS, 503, 1568
  17. The changing circumgalactic medium over the last 10 Gyr I: Physical and dynamical properties
    E. Huscher, B. D. Oppenheimer, A. Lonardi, R. A. Crain, A. J. Richings, J. Schaye, 2021, MNRAS, 500, 1476
  18. Reproducing the CO-to-H2 conversion factor in cosmological simulations of Milky Way-mass galaxies
    L. C. Keating, A. J. Richings, N. Murray, C.-A. Faucher-Giguère, P. F. Hopkins, A. Wetzel, D. Kereš, S. Benincasa, R. Feldmann, S. Loebman, M. E. Orr, 2020, MNRAS, 499, 837
  19. Pressure balance in the multiphase ISM of cosmologically simulated disk galaxies
    A. Gurvich, C.-A. Faucher-Giguère, A. J. Richings, P. F. Hopkins, M. Y. Grudić, Z. Hafen, S. Wellons, J. Stern, E. Quataert, T. K. Chan, M. E. Orr, D. Kereš, A. Wetzel, C. C. Hayward, S. R. Loebman, N. Murray, 2020, MNRAS, 498, 3664
  20. The multiphase circumgalactic medium traced by low metal ions in EAGLE zoom simulations
    B. D. Oppenheimer, J. Schaye, R. A. Crain, J. K. Werk, A. J. Richings, 2018, MNRAS, 481, 835
  21. Radiative cooling of swept up gas in AGN-driven galactic winds and its implications for molecular outflows
    A. J. Richings, C.-A. Faucher-Giguère, 2018, MNRAS, 478, 3100
  22. Flickering AGN can explain the strong circumgalactic O VI observed by COS-Halos
    B. D. Oppenheimer, M. Segers, J. Schaye, A. J. Richings, R. A. Crain, 2018, MNRAS, 474, 4740
  23. The origin of fast molecular outflows in quasars: molecule formation in AGN-driven galactic winds
    A. J. Richings, C.-A. Faucher-Giguère, 2018, MNRAS, 474, 3673
  24. Metals in the circumgalactic medium are out of ionization equilibrium due to fluctuating active galactic nuclei
    M. C. Segers, B. D. Oppenheimer, J. Schaye, A. J. Richings, 2017, MNRAS, 471, 1026
  25. Chemical evolution of giant molecular clouds in simulations of galaxies
    A. J. Richings, J. Schaye, 2016, MNRAS, 460, 2297
  26. Bimodality of low-redshift circumgalactic O VI in non-equilibrium EAGLE zoom simulations
    B. D. Oppenheimer, R. A. Crain, J. Schaye, A. Rahmati, A. J. Richings, J. W. Trayford, J. Tumlinson, R. G. Bower, M. Schaller, T. Theuns, 2016, MNRAS, 460, 2157
  27. The effects of metallicity, UV radiation and non-equilibrium chemistry in high-resolution simulations of galaxies
    A. J. Richings, J. Schaye, 2016, MNRAS, 458, 270
  28. Non-equilibrium chemistry and cooling in the diffuse interstellar medium - II. Shielded Gas
    A. J. Richings, J. Schaye, B. D. Oppenheimer, 2014, MNRAS, 442, 2780
    Supplementary material can be found here.
  29. Non-equilibrium chemistry and cooling in the diffuse interstellar medium - I. Optically Thin Regime
    A. J. Richings, J. Schaye, B. D. Oppenheimer, 2014, MNRAS, 440, 3349
    Supplementary material can be found here.
  30. The connection between radio loudness and central surface brightness profiles in optically selected low-luminosity active galaxies
    A. J. Richings, P. Uttley & E. Kording, 2011, MNRAS, 415, 2158
  31. Field and Globular Cluster Low-mass X-ray Binaries in NGC 4278
    G. Fabbiano, N. J. Brassington, L. Lentati, L. Angelini, R. L. Davies, J. Gallagher, V. Kalogera, D.-W. Kim, A. R. King, A. Kundu, S. Pellegrini, A. J. Richings, G. Trinchieri, A. Zezas, S. Zepf, 2010, ApJ, 725, 1824
  32. The Hot Interstellar Medium of the Interacting Galaxy NGC 4490
    A. J. Richings, G. Fabbiano, Junfeng Wang & T. P. Roberts, 2010, ApJ, 723, 1375

Conference Proceedings

  1. Constraining the driving mechanism of galaxy-scale winds with emission line spectra
    J. Stern, J. Oñorbe, A. J. Richings, S. D. Johnson, C.-A. Faucher-Giguère, 2024, Black Hole Winds at All Scales, held 12-16 March, 2023 in Haifa, Israel. Edited by Gabriele Bruni, Maria Diaz Trigo, Sibasish Laha and Keigo Fukumura. Proceedings of the International Astronomical Union, Volume 378, pp. 45-49, doi:10.1017/S1743921323002831

Last modified: Thu Jul 4 14:55:45 BST 2024
Email: alexander.j.richings@durham.ac.uk