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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. Emission line tracers of galactic outflows driven by stellar feedback in simulations of isolated disk galaxies
    E. L. Howatson, A. J. Richings, E. Roediger, C.-A. Faucher-Giguère, T. Theuns, Y. Liu, T. K. Chan, O. Thompson, C. Carr, D. Anglés-Alcázar, 2025, arXiv:2509.21295, accepted for publication in MNRAS
  7. 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, MNRAS, 543, 891
  8. 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
  9. 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
  10. 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
  11. 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
  12. [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
  13. 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
  14. 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
  15. 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
  16. 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
  17. Unravelling the physics of multiphase AGN winds through emission line tracers
    A. J. Richings, C.-A. Faucher-Giguère, J. Stern, 2021, MNRAS, 503, 1568
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. Chemical evolution of giant molecular clouds in simulations of galaxies
    A. J. Richings, J. Schaye, 2016, MNRAS, 460, 2297
  27. 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
  28. 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
  29. 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.
  30. 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.
  31. 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
  32. 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
  33. 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