Mechanical enhancement of quantum oscillations
Maximilian Daschner, Ivan Kokanovi\'c, F. Malte Grosche
TL;DR
This study reveals that mechanical factors in measurement setups can significantly enhance quantum oscillation signals in Dirac nodal-line semimetals, independent of their topological properties.
Contribution
It demonstrates that mechanical effects, rather than topological features, can cause strong quantum oscillation amplitude enhancements in measurements.
Findings
Mechanical properties influence quantum oscillation measurements.
Numerical model confirms mechanical effects cause amplitude enhancement.
Enhancement occurs without topological contributions.
Abstract
We investigate quantum oscillation measurements in the Dirac nodal-line semimetal TaNiTe which exhibit a strongly enhanced amplitude in the magnetoresistance. We show that mechanical properties of the measurement setup in combination with de Haas - van Alphen oscillations in the magnetic torque can cause this enhancement in the measured resistance, without involvement of any topological properties in this material. To support the empirical data, a numerical model is provided, showing good agreement.
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