A Python package for analyzing symmetry constraints on magnetic exchange Hamiltonians
Project description
Jsymm is a tool and a Python library for analyzing symmetry constraints on
the exchange tensors associated with interatomic bonds in crystals.
Given a structural cif file of a crystal, Jsymm will find
- The most general form of symmetry-allowed matrices of DMI and anisotropic Heisenberg exchange for any bond.
- A set of compatible tensors for all bonds related to this bond by symmetry operations.
The output includes exchange matrices in symbolic form, as well as the information about the symmetry action on the bonds.
You can interact with a live web interface of Jsymm.
There, on the Help page, you can load an example CIF file and examine exchange tensors in hematite.
For more details, please see Jsymm documentation.
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