Neutron reflection from a liquid helium surface
dc.contributor.author | Charlton, T.R. | |
dc.contributor.author | Dalgliesh, R.M. | |
dc.contributor.author | Ganshin, A. | |
dc.contributor.author | Kirichek, O. | |
dc.contributor.author | Langridge, S. | |
dc.contributor.author | McClintock, P.V.E. | |
dc.date.accessioned | 2017-05-18T09:42:35Z | |
dc.date.available | 2017-05-18T09:42:35Z | |
dc.date.issued | 2008 | |
dc.description.abstract | The reflection of neutrons from a helium surface has been observed for the first time. The ⁴He surface is smoother in the superfluid state at 1.54 K than in the case of the normal liquid at 2.3 K. In the superfluid state we also observe a surface layer ~200 Å thick which has a subtly different neutron scattering cross-section, which may be explained by an enhanced Bose–Einstein condensate fraction close to the helium surface. The application of neutron reflectometry described in this paper creates new and exciting opportunities for the surface and interfacial study of quantum fluids. | uk_UA |
dc.description.sponsorship | We gratefully acknowledge help from the ISIS sample environment group. | uk_UA |
dc.identifier.citation | Neutron reflection from a liquid helium surface / T.R. Charlton, R.M. Dalgliesh, A. Ganshin, O. Kirichek, S. Langridge, P.V.E. McClintock // Физика низких температур. — 2008. — Т. 34, № 4-5. — С. 400–403. — Бібліогр.: 28 назв. — англ. | uk_UA |
dc.identifier.issn | 0132-6414 | |
dc.identifier.other | PACS: 68.03.–g;67.25.D–;61.05.F– | |
dc.identifier.uri | https://nasplib.isofts.kiev.ua/handle/123456789/116905 | |
dc.language.iso | en | uk_UA |
dc.publisher | Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України | uk_UA |
dc.relation.ispartof | Физика низких температур | |
dc.status | published earlier | uk_UA |
dc.subject | Жидкий гелий | uk_UA |
dc.title | Neutron reflection from a liquid helium surface | uk_UA |
dc.type | Article | uk_UA |
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