Abstract

A simple technique is proposed for probing the single-particle and collective excitations in a Fermi liquid via a standing magnetic surface wave of arbitrary $\ensuremath{\omega}$ and fixed $k$ generated by a meanderline coil. The calculated power absorption spectrum for $^{3}\mathrm{He}$ displays singularities associated with the $l=0$ spin-wave mode and a Doppler-shifted spin resonance of the single-particle excitations.

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