Click to see a list of my papers on ADS
Click to see a list of my papers on arXiv (with access to preprint PDFs)
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Journal articles
Hahn, O., Martizzi, D., Wu, H.-Y., Evrard, A. E., Teyssier, R., & Wechsler, R. H. 2017, "RHAPSODY-G Simulations - I. The cool cores, hot gas and stellar content of massive galaxy clusters ", Monthly Notices of the Royal Astronomical Society, 470, 166. [18 citations]
Uhlemann, C., Codis, S., Hahn, O., Pichon, C., & Bernardeau, F. 2017, "Two is better than one: joint statistics of density and velocity in concentric spheres as a cosmological probe ", Monthly Notices of the Royal Astronomical Society, 469, 2481. [1 citation]
Paranjape, A., Hahn, O., & Sheth, R. K. 2017, "Halo assembly bias and the tidal anisotropy of the local halo environment ", ArXiv e-prints, arXiv:1706.09906. [0 citations]
Libeskind, N. I, van de Weygaert, R., Cautun, M., Falck, B., Tempel, E., Abel, T., Alpaslan, M., Aragoon-Calvo, M. A., Forero-Romero, J. E., Gonzalez, R., Gottloober, S., Hahn, O., Hellwing, W. A., Hoffman, Y., Jones, B. J. T., Kitaura, F., Knebe, A., Manti, S., Neyrinck, M., Nuza, S. E., Padilla, N., Platen, E., Ramachandra, N., Robotham, A., Saar, E., Shandarin, S., Steinmetz, M., Stoica, R. S., Sousbie, T., & Yepes, G. 2017, "Tracing the cosmic web ", ArXiv e-prints, arXiv:1705.03021. [2 citations]
Castorina, E., Paranjape, A., Hahn, O., & Sheth, R. K. 2016, "Excursion set peaks: the role of shear ", ArXiv e-prints, arXiv:1611.03619. [8 citations]
Hahn, O., & Paranjape, A. 2016, "General relativistic screening in cosmological simulations ", Physical Review D, 94, 083511. [8 citations]
Martizzi, D., Hahn, O., Wu, H.-Y., Evrard, A. E., Teyssier, R., & Wechsler, R. H. 2016, "RHAPSODY-G simulations - II. Baryonic growth and metal enrichment in massive galaxy clusters ", Monthly Notices of the Royal Astronomical Society, 459, 4408. [4 citations]
Angulo, R. E., Hahn, O., Ludlow, A., & Bonoli, S. 2016, "Earth-mass haloes and the emergence of NFW density profiles ", MNRAS, in press, arXiv:1604.03131. [8 citations]
Hahn, O., & Angulo, R. E. 2016, "An adaptively refined phase-space element method for cosmological simulations and collisionless dynamics ", Monthly Notices of the Royal Astronomical Society, 455, 1115. [24 citations]
Hahn, O., Angulo, R. E., & Abel, T. 2015, "The properties of cosmic velocity fields ", Monthly Notices of the Royal Astronomical Society, 454, 3920. [37 citations]
Wu, H.-Y., Evrard, A. E., Hahn, O., Martizzi, D., Teyssier, R., & Wechsler, R. H. 2015, "RHAPSODY-G simulations: galaxy clusters as baryonic closed boxes and the covariance between hot gas and galaxies ", Monthly Notices of the Royal Astronomical Society, 452, 1982. [7 citations]
Danovich, M., Dekel, A., Hahn, O., Ceverino, D., & Primack, J. 2015, "Four phases of angular-momentum buildup in high-z galaxies: from cosmic-web streams through an extended ring to disc and bulge ", Monthly Notices of the Royal Astronomical Society, 449, 2087. [82 citations]
Behroozi, P. S., Wechsler, R. H., Lu, Y., Hahn, O., Busha, M. T., Klypin, A., & Primack, J. R. 2014, "Mergers and Mass Accretion for Infalling Halos Both End Well Outside Cluster Virial Radii ", The Astrophysical Journal, 787, 156. [40 citations]
Bryan, G. L., Norman, M. L., O'Shea, B. W., Abel, T., Wise, J. H., Turk, M. J., Reynolds, D. R., Collins, D. C., Wang, P., Skillman, S. W., Smith, B., Harkness, R. P., Bordner, J., Kim, J.-h., Kuhlen, M., Xu, H., Goldbaum, N., Hummels, C., Kritsuk, A. G., Tasker, E., Skory, S., Simpson, C. M., Hahn, O., Oishi, J. S., So, G. C., Zhao, F., Cen, R., Li, Y., & Enzo Collaboration 2014, "ENZO: An Adaptive Mesh Refinement Code for Astrophysics ", The Astrophysical Journal Supplement Series, 211, 19. [246 citations]
Hahn, O., & Paranjape, A. 2014, "The locations of halo formation and the peaks formalism ", Monthly Notices of the Royal Astronomical Society, 438, 878. [14 citations]
Oñorbe, J., Garrison-Kimmel, S., Maller, A. H., Bullock, J. S., Rocha, M., & Hahn, O. 2014, "How to zoom: bias, contamination and Lagrange volumes in multimass cosmological simulations ", Monthly Notices of the Royal Astronomical Society, 437, 1894. [31 citations]
Kim, J.-h., Abel, T., Agertz, O., Bryan, G. L., Ceverino, D., Christensen, C., Conroy, C., Dekel, A., Gnedin, N. Y., Goldbaum, N. J., Guedes, J., Hahn, O., Hobbs, A., Hopkins, P. F., Hummels, C. B., Iannuzzi, F., Keres, D., Klypin, A., Kravtsov, A. V., Krumholz, M. R., Kuhlen, M., Leitner, S. N., Madau, P., Mayer, L., Moody, C. E., Nagamine, K., Norman, M. L., Onorbe, J., O'Shea, B. W., Pillepich, A., Primack, J. R., Quinn, T., Read, J. I., Robertson, B. E., Rocha, M., Rudd, D. H., Shen, S., Smith, B. D., Szalay, A. S., Teyssier, R., Thompson, R., Todoroki, K., Turk, M. J., Wadsley, J. W., Wise, J. H., Zolotov, A., & AGORA Collaboration29,t. 2014, "The AGORA High-resolution Galaxy Simulations Comparison Project ", The Astrophysical Journal Supplement Series, 210, 14. [113 citations]
Wu, H.-Y., Hahn, O., Evrard, A. E., Wechsler, R. H., & Dolag, K. 2013, "Virial scaling of galaxies in clusters: bright to faint is cool to hot ", Monthly Notices of the Royal Astronomical Society, 436, 460. [24 citations]
Angulo, R. E., Hahn, O., & Abel, T. 2013, "The warm dark matter halo mass function below the cut-off scale ", Monthly Notices of the Royal Astronomical Society, 434, 3337. [69 citations]
Angulo, R. E., Hahn, O., & Abel, T. 2013, "How closely do baryons follow dark matter on large scales? ", Monthly Notices of the Royal Astronomical Society, 434, 1756. [16 citations]
Hahn, O., Abel, T., & Kaehler, R. 2013, "A new approach to simulating collisionless dark matter fluids ", Monthly Notices of the Royal Astronomical Society, 434, 1171. [40 citations]
Crosby, B. D., O'Shea, B. W., Smith, B. D., Turk, M. J., & Hahn, O. 2013, "Population III Star Formation in Large Cosmological Volumes. I. Halo Temporal and Physical Environment ", The Astrophysical Journal, 773, 108. [12 citations]
Wu, H.-Y., Hahn, O., Wechsler, R. H., Behroozi, P. S., & Mao, Y.-Y. 2013, "Rhapsody. II. Subhalo Properties and the Impact of Tidal Stripping From a Statistical Sample of Cluster-size Halos ", The Astrophysical Journal, 767, 23. [32 citations]
Mao, Y.-Y., Strigari, L. E., Wechsler, R. H., Wu, H.-Y., & Hahn, O. 2013, "Halo-to-halo Similarity and Scatter in the Velocity Distribution of Dark Matter ", The Astrophysical Journal, 764, 35. [60 citations]
Wu, H.-Y., Hahn, O., Wechsler, R. H., Mao, Y.-Y., & Behroozi, P. S. 2013, "Rhapsody. I. Structural Properties and Formation History from a Statistical Sample of Re-simulated Cluster-size Halos ", The Astrophysical Journal, 763, 70. [36 citations]
Abel, T., Hahn, O., & Kaehler, R. 2012, "Tracing the dark matter sheet in phase space ", Monthly Notices of the Royal Astronomical Society, 427, 61. [75 citations]
Kaehler, R., Hahn, O., & Abel, T. 2012, "A Novel Approach to Visualizing Dark Matter Simulations ", IEEE VGTC, 18, 12, arXiv:1208.3206. [4 citations]
Danovich, M., Dekel, A., Hahn, O., & Teyssier, R. 2012, "Coplanar streams, pancakes and angular-momentum exchange in high-z disc galaxies ", Monthly Notices of the Royal Astronomical Society, 422, 1732. [67 citations]
Hahn, O., & Abel, T. 2011, "Multi-scale initial conditions for cosmological simulations ", Monthly Notices of the Royal Astronomical Society, 415, 2101. [177 citations]
Hahn, O., Teyssier, R., & Carollo, C. M. 2010, "The large-scale orientations of disc galaxies ", Monthly Notices of the Royal Astronomical Society, 405, 274. [91 citations]
Oesch, P. A., Carollo, C. M., Feldmann, R., Hahn, O., Lilly, S. J., Sargent, M. T., Scarlata, C., Aller, M. C., Aussel, H., Bolzonella, M., Bschorr, T., Bundy, K., Capak, P., Ilbert, O., Kneib, J.-P., Koekemoer, A. M., Kovač, K., Leauthaud, A., Le Floc'h, E., Massey, R., McCracken, H. J., Pozzetti, L., Renzini, A., Rhodes, J., Salvato, M., Sanders, D. B., Scoville, N., Sheth, K., Taniguchi, Y., & Thompson, D. 2010, "The Buildup of the Hubble Sequence in the Cosmos Field ", The Astrophysical Journal, 714, L47. [65 citations]
Pillepich, A., Porciani, C., & Hahn, O. 2010, "Halo mass function and scale-dependent bias from N-body simulations with non-Gaussian initial conditions ", Monthly Notices of the Royal Astronomical Society, 402, 191. [150 citations]
Lee, J., Hahn, O., & Porciani, C. 2009, "Lagrangian Statistics of Dark Halos in a ΛCDM Cosmology ", The Astrophysical Journal, 707, 761. [6 citations]
Lee, J., Hahn, O., & Porciani, C. 2009, "The Anisotropic Two-Point Correlation Functions of the Nonlinear Traceless Tidal Field in the Principal-Axis Frame ", The Astrophysical Journal, 705, 1469. [8 citations]
Hahn, O., Porciani, C., Dekel, A., & Carollo, C. M. 2009, "Tidal effects and the environment dependence of halo assembly ", Monthly Notices of the Royal Astronomical Society, 398, 1742. [81 citations]
Colberg, J. M., Pearce, F., Foster, C., Platen, E., Brunino, R., Neyrinck, M., Basilakos, S., Fairall, A., Feldman, H., Gottlöber, S., Hahn, O., Hoyle, F., Müller, V., Nelson, L., Plionis, M., Porciani, C., Shandarin, S., Vogeley, M. S., & van de Weygaert, R. 2008, "The Aspen-Amsterdam void finder comparison project ", Monthly Notices of the Royal Astronomical Society, 387, 933. [112 citations]
Hahn, O., Carollo, C. M., Porciani, C., & Dekel, A. 2007, "The evolution of dark matter halo properties in clusters, filaments, sheets and voids ", Monthly Notices of the Royal Astronomical Society, 381, 41. [152 citations]
Hahn, O., Porciani, C., Carollo, C. M., & Dekel, A. 2007, "Properties of dark matter haloes in clusters, filaments, sheets and voids ", Monthly Notices of the Royal Astronomical Society, 375, 489. [233 citations]
Conference articles
Hahn, O., Abel, T., & Kaehler, R. 2015, "Tracing, Analyzing and Visualizing Dark Matter in Phase Space ", Thirteenth Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, 2139. [0 citations]
Hahn, O. 2014, "Collisionless Dynamics and the Cosmic Web ", ArXiv e-prints, arXiv:1412.5197. [1 citations]
Evrard, A., Rozo, E., Rykoff, E., Busha, M., Bartlett, J., Dolag, K., Hahn, O., Wu, H., & Wechsler, R. 2013, "Baryons in Massive Halos: The Resurgence of Galaxies and Challenges Ahead ", Tracing Cosmic Evolution with Clusters of Galaxies, a conference held 1-5 July, 2013 in Sexton, Italy. Online at http://www.sexten-cfa.eu/en/conferences/2013/details/34-SestoClusters2013.html, id.71, 71. [0 citations]
Wu, H.-Y., Wechsler, R., Behroozi, P., Mao, Y.-Y., Hahn, O., & Evrard, G. 2013, "Halo Profiles & Subhalo Properties from a Statistical Sample of Re-Simulated Cluster-Size Halos ", SnowCLUSTER 2013, Physics of Galaxy Clusters, 16. [0 citations]
Pillepich, A., Porciani, C., Hahn, O., Matarrese, S., & Reiprich, T. 2010, "Constraining Primordial Non-gaussianity From The Large-scale-structure Of The Universe ", Bulletin of the American Astronomical Society, 42, 337.02. [0 citations]