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arXiv · 2610.10024

Screening of tensor properties by magnetic point group symmetries: The PythMPG code package

Andrea Urru·Turan Birol·Trey Cole·David Vanderbilt
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Abstract

Understanding the symmetry requirements that permit specific phenomena or physical effects is crucial in condensed matter physics for identifying candidate materials that exhibit one or more of these effects. To this end, screening tensor properties based on (magnetic) point-group symmetries is of particular interest. Here, we present the PythMPG code package, a tool designed for this purpose. Inspired by the MTENSOR utility of the Bilbao Crystallographic Server, PythMPG performs symmetry analysis in a self-contained way to determine which tensors, characterized by their Jahn symbols, are allowed for each magnetic point group and how many symmetry-allowed independent components each tensor possesses. We describe the structure of the code and present some illustrative examples.

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Andrea Urru, Turan Birol, Trey Cole, David Vanderbilt. 2026-10-07. Screening of tensor properties by magnetic point group symmetries: The PythMPG code package. https://arxiv.org/abs/2610.10024

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