A full PDF of my publications can be found here.

Dissertation

R. Schäfer
Magnetic frustration in three dimensions
Dissertation published via TU Dresden (2022)

2025

  • D. Vuina, R. Schäfer, D. M. Long, A. Chandran
    Probing Hilbert space fragmentation using controlled dephasing
    arXiv:2506.13856 (2025)

  • E. M. Smith, A. Fitterman, R. Schäfer, et al.
    Two-Peak Heat Capacity Accounts for \(R\log(2)\) Entropy and Ground State Access in the Dipole-Octupole Pyrochlore Ce\(_2\)Hf\(_2\)O\(_7\)
    arXiv:2501.08327 (2025)

  • E. M. Smith, R. Schäfer, et al.
    Single Crystal Diffuse Neutron Scattering Study of the Dipole-Octupole Quantum Spin Ice Candidate Ce\(_2\)Zr\(_2\)O\(_7\): No Apparent Octupolar Correlations Above \(T = 0.05 K\)
    Phys. Rev. X 15, 021033 (2025)

  • R. Schäfer, and D. J. Luitz
    DanceQ: High-performance library for number conserving bases
    SciPost Phys. Codebases 48 (2025)
    DanceQ repository and DanceQ documentation

2024

  • Z. Lu, R. Schäfer, J. N. Hallén, C. R. Laumann
    [111]-strained spin ice: Localization of thermodynamically deconfined monopoles
    Phys. Rev. B 110, 184421 (2024)

  • D. Yahne, B. Placke, R. Schäfer, et al.
    Dipolar spin ice regime proximate to an all-in-all-out Néel ground state in the dipolar-octupolar pyrochlore Ce\(_2\)Sn\(_2\)O\(_7\)
    Phys. Rev. X 14, 011005 (2024)

2023

  • J. Beare, E. M. Smith, J. Dudemaine, R. Schäfer, et al.
    μSR Study of the Dipole-Octupole Quantum Spin Ice Candidate Ce\(_2\)Zr\(_2\)O\(_7\)
    Phys. Rev. B 108, 174411 (2023)

  • E. M. Smith, J. Dudemaine, B. Placke, R. Schäfer, et al.
    Quantum Spin Ice Response to a Magnetic Field in the Dipole-Octupole Pyrochlore Ce\(_2\)Zr\(_2\)O\(_7\)
    Phys. Rev. B 108, 054438 (2023)

  • R. Schäfer, B. Placke, O. Benton, and R. Moessner
    Abundance of hard-hexagon crystals in the quantum pyrochlore antiferromagnet
    Phys. Rev. Lett. 131, 096702 (2023)

2022

  • R. Schäfer, J. C. Budich, and D. J. Luitz
    Symmetry protected exceptional points of interacting fermions
    Phys. Rev. Research 4, 033181 (2022)

  • I. Hagymási, R. Schäfer, R. Moessner, and D. J. Luitz
    Magnetization process and ordering of the \(S=1/2\) pyrochlore Heisenberg antiferromagnet in a magnetic field
    Phys. Rev. B 106, L060411 (2022)

  • E. Smith, O. Benton, D. Yahne, B. Placke, R. Schäfer, et al.
    The case for a U(1)π Quantum Spin Liquid Ground State in the Dipole-Octupole Pyrochlore Ce\(_2\)Zr\(_2\)O\(_7\)
    Phys. Rev. X 12, 021015 (2022)

2021

  • I. Hagymási, R. Schäfer, R. Moessner, and D. J. Luitz
    Possible Inversion Symmetry Breaking in the \(S=1/2\) Pyrochlore Heisenberg Magnet
    Phys. Rev. Lett. 126, 117204 (2021)

2020

  • R. Schäfer, I. Hagymási, R. Moessner, and D. J. Luitz
    Pyrochlore \(S=1/2\) Heisenberg antiferromagnet at finite temperature
    Phys. Rev. B 102, 054408 (2020)

2019