12-13 May 2022
Max Planck Institute for Evolutionary Biology
Europe/Berlin timezone

topwave - A scientific python package for topological properties of spin wave spectra

12 May 2022, 16:25
Lecture Hall (Max Planck Institute for Evolutionary Biology)

Lecture Hall

Max Planck Institute for Evolutionary Biology

August Thienemann Strasse 2 24306 Plön Germany
onsite Session 2


Mr Niclas Heinsdorf (Max Planck Institute for Solid-State Research)


Ever since the awarding of the Nobel Prize in Physics to J.M.
Kosterlitz, D. J. Thouless and D. Haldane in 2016 for their pioneering
work on topological phase transitions, these exotic phases of matter
have become one of the most sought-after features in quantum materials.
They are of particular interest for their unconventional and
dissipationless transport properties, and are a key ingredient for many
quantum computer blue prints. Recently, it was realized that not only
electronic excitation spectra, but also those of magnets can exhibit
nontrivial topology. The standard procedure for calculating these
magnetic excitations is Linear Spin Wave Theory (LSWT). Although there
is widely used MATLAB library to calculate these spectra, it lacks the
tools to compute toplogical invariants and transport properties. My goal
is to provide an open source python package to the scientific community
that is able to calculate the magnetic excitations of any magnetic
material, and provides the user with the tools to calculate transport
properties and discover potential topological phases.

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