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Two dimensional rotons.

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<mark>Journal publication date</mark>21/06/1974
Issue number5459
Number of pages1
Pages (from-to)694-694
Publication StatusPublished
<mark>Original language</mark>English


A roton in a two-dimensional assembly of helium atoms has a smaller energy than a roton in three dimensions, according to a calculation by Padmore of Erindale College, University of Toronto (Phys. Rev. Lett. 32, 826; 1974).