Publications
Papers & preprints
A complete list of my 29 published and submitted papers. For the most up-to-date list, see my Google Scholar or NASA ADS library.
Collaborations
16 co-author papers, including major code papers and survey contributions.
- 2021Code Development
Simulating cosmic structure formation with the GADGET-4 code
Volker Springel, Rüdiger Pakmor, Oliver Zier, Martin Reinecke
- 2026SIDM
Role of prompt cusps in driving the core collapse of SIDM halos
Vinh Tran, Daniel Gilman, M. Sten Delos, Xuejian Shen, Oliver Zier, Mark Vogelsberger, David Xu
- 2025Galaxy Formation
Metallicity Gradients in Modern Cosmological Simulations II: The Role of Bursty Versus Smooth Feedback at High-Redshift
Alex M. Garcia, Paul Torrey, Aniket Bhagwat, Xuejian Shen, Mark Vogelsberger, William McClymont, Jaya Nagarajan-Swenson, Sophia G. Ridolfo, Peixin Zhu, Dhruv T. Zimmerman, Oliver Zier, Sarah Biddle, Arnab Sarkar, Priyanka Chakraborty, Ruby J. Wright, Kathryn Grasha, Tiago Costa, Laura Keating, Rahul Kannan, Aaron Smith, Enrico Garaldi, Ewald Puchwein, Benedetta Ciardi, Lars Hernquist, Lisa J. Kewley
submitted arXiv - 2026Reionization
The THESAN-ZOOM project: The Hidden Neighbours of OI Absorbers during Reionization
Giulia Pruto, Laura Keating, Rahul Kannan, Ewald Puchwein, Aaron Smith, Josh Borrow, Enrico Garaldi, Mark Vogelsberger, Oliver Zier, William McClymont, Xuejian Shen, Sandro Tacchella
- 2025Non-ideal MHD
Formation of protostars and the launching of stellar core outflows with moving-mesh radiation non-ideal magnetohydrodynamics
Alexander C. Mayer, Rüdiger Pakmor, Thorsten Naab, Oliver Zier, Alexei V. Ivlev, Tommaso Grassi, Paola Caselli, Volker Springel
accepted by MNRAS arXiv - 2025THESAN-ZOOM
The THESAN-ZOOM project: Mystery N/O more — uncovering the origin of peculiar chemical abundances and a not-so-fundamental metallicity relation at 3 < z < 12
William McClymont, Sandro Tacchella, Aaron Smith, Rahul Kannan, Enrico Garaldi, Ewald Puchwein, Yuki Isobe, Xihan Ji, Xuejian Shen, Zihao Wang, Vasily Belokurov, Josh Borrow, Francesco D'Eugenio, Laura Keating, Roberto Maiolino, Stephanie Monty, Mark Vogelsberger, Oliver Zier
accepted by MNRAS arXiv - 2025Star Formation
Protostellar disks in their natural habitat — the formation of protostars and their accretion disks in the turbulent and magnetized interstellar medium
Alexander C. Mayer, Thorsten Naab, Paola Caselli, Alexei V. Ivlev, Tommaso Grassi, Oliver Zier, Rüdiger Pakmor, Stefanie Walch, Volker Springel
accepted by MNRAS arXiv - 2025THESAN-ZOOM
Overmassive black holes in the early Universe can be explained by gas-rich, dark matter-dominated galaxies
William McClymont, Sandro Tacchella, Xihan Ji, Rahul Kannan, Roberto Maiolino, Charlotte Simmonds, Aaron Smith, Ewald Puchwein, Enrico Garaldi, Mark Vogelsberger, Francesco D'Eugenio, Laura Keating, Xuejian Shen, Bartolomeo Trefoloni, Oliver Zier
- 2025THESAN-ZOOM
The THESAN-ZOOM project: Star formation efficiency from giant molecular clouds to galactic scale in high-redshift starbursts
Zihao Wang, Xuejian Shen, Mark Vogelsberger, Hui Li, Rahul Kannan, Ewald Puchwein, Aaron Smith, Josh Borrow, Enrico Garaldi, Laura Keating, Oliver Zier, William McClymont, Sandro Tacchella, Yang Ni, Lars Hernquist
- 2025THESAN-ZOOM
The THESAN-ZOOM project: central starbursts and inside-out quenching govern galaxy sizes in the early Universe
William McClymont, Sandro Tacchella, Aaron Smith, Rahul Kannan, Ewald Puchwein, Josh Borrow, Enrico Garaldi, Laura Keating, Mark Vogelsberger, Oliver Zier, Xuejian Shen, Filip Popovic
- 2025THESAN-ZOOM
The THESAN-ZOOM project: Star-formation efficiencies in high-redshift galaxies
Xuejian Shen, Rahul Kannan, Ewald Puchwein, Aaron Smith, Mark Vogelsberger, Josh Borrow, Enrico Garaldi, Laura Keating, Oliver Zier, William McClymont, Sandro Tacchella, Zihao Wang, Lars Hernquist
- 2025THESAN-ZOOM
The THESAN-ZOOM project: Burst, quench, repeat — unveiling the evolution of high-redshift galaxies along the star-forming main sequence
William McClymont, Sandro Tacchella, Aaron Smith, Rahul Kannan, Ewald Puchwein, Josh Borrow, Enrico Garaldi, Laura Keating, Mark Vogelsberger, Oliver Zier, Xuejian Shen, Filip Popovic, Charlotte Simmonds
- 2025THESAN-ZOOM
Introducing the THESAN-ZOOM project: radiation-hydrodynamic simulations of high-redshift galaxies with a multi-phase interstellar medium
Rahul Kannan, Ewald Puchwein, Aaron Smith, Josh Borrow, Enrico Garaldi, Laura Keating, Mark Vogelsberger, Oliver Zier, William McClymont, Xuejian Shen, Filip Popovic, Sandro Tacchella, Lars Hernquist, Volker Springel
- 2026SIDM
Novel density profile for isothermal cores of dark matter halos
Vinh Tran, Xuejian Shen, Mark Vogelsberger, Daniel Gilman, Stephanie O'Neil, Cian Roche, Oliver Zier, Jiarun Gao
- 2024Reionization
The THESAN project: tracking the expansion and merger histories of ionized bubbles during the Epoch of Reionization
Nathan Jamieson, Aaron Smith, Meredith Neyer, Rahul Kannan, Enrico Garaldi, Mark Vogelsberger, Lars Hernquist, Oliver Zier, Xuejian Shen, Koki Kakiichi
submitted arXiv - 2024Reionization
The THESAN project: galaxy sizes during the epoch of reionization
Xuejian Shen, Mark Vogelsberger, Josh Borrow, Yongao Hu, Evan Erickson, Rahul Kannan, Aaron Smith, Enrico Garaldi, Lars Hernquist, Takahiro Morishita, Sandro Tacchella, Oliver Zier, Guochao Sun, Anna-Christina Eilers, Hui Wang
accepted by MNRAS arXiv