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Date: 23/2/2017

SpinW3, an updated computational tool for simulating spin waves is released. The most important capabilities of the new version are:

SpinW3 Simple Matlab interface to create complex spin Hamiltonians

• simple Matlab interface to create complex spin Hamiltonians

• linear spin wave solution to arbitrary single-k incommensurate magnetic structures and arbitrary magnetic cells

SpinW3 Symmetry analysis of the spin Hamiltonian

• symmetry analysis of the spin Hamiltonian

SpinW3 Visualisation and calculation of magnetic structures with complex Fourier components and multiple propagation vectors (NEW)

• visualisation and calculation of magnetic structures with complex Fourier components and multiple propagation vectors (NEW)

• improved optimisation of magnetic structures (local updates, Luttinger-Tisza, simulated annealing and constrained optimization) (NEW)

SpinW3 Improved visualisation of spin Hamiltonians and exporting into vector graphics (eps) (NEW)

• improved visualisation of spin Hamiltonians and exporting into vector graphics (eps) (NEW)

SpinW3 Fitting experimental spin wave spectrum (NEW)

• fitting experimental spin wave spectrum (NEW)

• integration with Horace (http://horace.isis.rl.ac.uk)
• performance improvements (compiling some of the critical code into mex files is possible, caching intermediate results and removed all file I/O operation) (NEW)

The new version is tested to run on any Matlab version of R2012a or newer.
To download the code, register on the http://www.psi.ch/spinw webpage. Also you can find updated and new tutorials on the same webpage. Developer version is available on GitHub https://github.com/tsdev/spinw. If you have questions related to the program, ask on the SpinW Forum.