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EnglishSuperfluidity and superconductivity are striking examples of how quantum mechanics can affect the collective behaviour of large numbers of identical particles. When the temperature of a many-particle fluid is lowered below a critical threshold, thermal fluctuations are no longer able to prevent it from collapsing into a purely quantum state. If the particles are electrically neutral, like helium–3 and helium–4 atoms, such a 'coherent' state can flow without friction and is known as a superfluid. If, on the other hand, the particles are charged, the coherent state loses its resistance to electrical current and becomes a superconductor.
Back to square one for superfluidity / Scandolo, Sandro; Santoro, Giuseppe E.. - In: PHYSICS WORLD. - ISSN 0953-8585. - 17:12(2004), pp. 3-3.
| Titolo: | Back to square one for superfluidity |
| Autori: | Scandolo, Sandro; Santoro, Giuseppe E. |
| Rivista: | |
| Data di pubblicazione: | 2004 |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1088/2058-7058/17/12/26 |
| Appare nelle tipologie: | 1.2 Review in journal |
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| Scandolo_PW2004.pdf | Versione Editoriale (PDF) | Non specificato | Administrator Richiedi una copia |
http://hdl.handle.net/20.500.11767/15049
