Nontrivial resonance of nanoscale uniaxial magnets to alternating field
Seiji Miyashita, Keiji Saito, Hans De Raedt
TL;DR
This paper investigates the complex response of nanoscale uniaxial magnets to alternating magnetic fields, revealing nontrivial oscillations and proposing a new method to estimate tunneling gaps through numerical analysis.
Contribution
It introduces a novel analysis of magnetization oscillations and a new approach to estimate tunneling gaps in nanoscale uniaxial magnets.
Findings
Discovery of nontrivial magnetization oscillations
Analysis based on non-adiabatic transitions
Proposal of a new tunneling gap estimation method
Abstract
How nanoscale uniaxial magnets respond to an alternating field is studied by direct numerical calculation. A nontrivial oscillation of the magnetization is found, which is analyzed in terms of the non-adiabatic transition due to the time dependent field. A new method to estimate the tunneling gap of the magnet is proposed.
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