mrfmsim: A modular, extendable, and readable simulation package for magnetic resonance force microscopy experiments
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| Format: | Preprint |
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2026
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| _version_ | 1866912931400122368 |
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| author | Sun, Peter Isaac, Corinne E. Boucher, Michael C. Moore, Eric W. Wang, Zhen Marohn, John A. |
| author_facet | Sun, Peter Isaac, Corinne E. Boucher, Michael C. Moore, Eric W. Wang, Zhen Marohn, John A. |
| contents | We present mrfmsim, an open-source Python package that facilitates the design, simulation, and analysis of magnetic resonance force microscopy (MRFM) experiments. MRFM is a scanning-probe technique that detects magnetic resonance from nanoscale ensembles of nuclear or electron spins with a force sensor. Because MRFM experiments are complex and operate at sensitivity limits, numerical simulation is essential for designing experiments and estimating per-spin sensitivity and imaging resolution from measured signals. In this paper, we highlight the challenges of developing MRFM simulations and show that software designed to simulate specific experiments only in a rapidly evolving experimental field can yield erroneous results. The mrfmsim package addresses these challenges by supporting post-definition customization without rewriting the internal model and by employing a plugin system for extending functionality. We show that the package's modular, extendable, and readable architecture improves reproducibility and accelerates development. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_23337 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | mrfmsim: A modular, extendable, and readable simulation package for magnetic resonance force microscopy experiments Sun, Peter Isaac, Corinne E. Boucher, Michael C. Moore, Eric W. Wang, Zhen Marohn, John A. Computational Physics Chemical Physics We present mrfmsim, an open-source Python package that facilitates the design, simulation, and analysis of magnetic resonance force microscopy (MRFM) experiments. MRFM is a scanning-probe technique that detects magnetic resonance from nanoscale ensembles of nuclear or electron spins with a force sensor. Because MRFM experiments are complex and operate at sensitivity limits, numerical simulation is essential for designing experiments and estimating per-spin sensitivity and imaging resolution from measured signals. In this paper, we highlight the challenges of developing MRFM simulations and show that software designed to simulate specific experiments only in a rapidly evolving experimental field can yield erroneous results. The mrfmsim package addresses these challenges by supporting post-definition customization without rewriting the internal model and by employing a plugin system for extending functionality. We show that the package's modular, extendable, and readable architecture improves reproducibility and accelerates development. |
| title | mrfmsim: A modular, extendable, and readable simulation package for magnetic resonance force microscopy experiments |
| topic | Computational Physics Chemical Physics |
| url | https://arxiv.org/abs/2602.23337 |