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Do cosmic rays account for superfluid 3He transition?

Research output: Contribution to journalBook/Film/Article review


<mark>Journal publication date</mark>13/12/1984
Number of pages2
<mark>Original language</mark>English


In theory, the transition between the two principal superfluid forms of liquid 3He ought not to be able to occur. So why is it routinely observed to take place? A possible answer to this intriguing question has recently been put forward by A.J. Leggett. Writing in Physical Review Letters 53, 1096; 1984, he suggests that the transition, although prohibited from occuring spontaneously, readily takes place because of the occasional high energy cosmic ray that passes through any experimental chamber on the Earth's surface.