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A liquid permanent magnet?

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<mark>Journal publication date</mark>15/12/1977
Issue number5638
Number of pages1
Pages (from-to)559-559
Publication StatusPublished
<mark>Original language</mark>English


According to A.J. Leggett (this issue of Nature, page 585) there is reason to believe that the A-phase of superfluid 3He may display ferromagnetic properties. An isolated sample of the liquid would thus be surrounded by its own spontaneously created magnetic field in much the same way as a conventional steel permanent magnet, although the physical origins of this magnetism would be rather difficult.