18. Considerations on the helium film in
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S. Franchetti
📂
Article
📅
1958
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Elsevier Science
⚖ 65 KB
## SHORT COMMUNICATIONS the ground state wave function is doubly degenerate 1). This result is suprising, partly, because it conflicts with the tacit or explicit assumption of the existing quantum mechanical theories, partly because the rigorous arguments of traditional thermodynamics do not lead