Fermi-Liquid Behavior of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">He</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>3</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow></mml:math>Adsorbed on Liquid Helium

Some properties of $^{3}\mathrm{He}$ adsorbed on the surface of liquid helium are determined from measurements of the surface and interfacial tension of $^{3}\mathrm{He}$-$^{4}\mathrm{He}$ mixtures. As a mixture approaches phase separation, the $^{3}\mathrm{He}$ adsorbed on the surface grows continuously into the upper, $^{3}\mathrm{He}$-rich phase. At all temperatures the limit of low surface density is well described by the Andreev model, although there is some evidence for a weak, attractive quasiparticle interaction.

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