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Zhao, Bum Suk
Atom and Molecule Optics Lab (AMOL)
Research Interests
  • Standing wave, quantum state, optical force, grazing inceidence, atom optics, matter wave


Non-destructive quantum reflection of helium dimers and trimers from a plane ruled grating

DC Field Value Language Zhao, Bum Suk ko Zhang, Weiqing ko Schollkopf, Wieland ko 2014-12-29T06:00:34Z - 2013-08-28 ko 2013-07 ko
dc.identifier.citation MOLECULAR PHYSICS, v.111, no.12-13, pp.1772 - 1780 ko
dc.identifier.issn 0026-8976 ko
dc.identifier.uri -
dc.description.abstract We report on the non-destructive scattering and diffraction of He, He2 and He3 from a plane ruled reflection grating. At grazing incidence the normal component of the particle's wave-vector is sufficiently small to allow for quantum reflection at the attractive Casimir-van der Waals particle-surface interaction potential. Quantum reflection occurs tens of nanometres in front of the surface, before the dimers and trimers reach the region where the surface-induced forces would inevitably cause the breakup of the fragile bonds. The reflected particles are identified via their mass-dependent diffraction angles and by mass spectrometry. The intensity distributions of the observed diffraction patterns are discussed in terms of the grating's blaze angle. ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher TAYLOR & FRANCIS LTD ko
dc.title Non-destructive quantum reflection of helium dimers and trimers from a plane ruled grating ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84888001830 ko
dc.identifier.wosid 000326071500015 ko
dc.type.rims ART ko
dc.description.wostc 1 *
dc.description.scopustc 0 * 2015-05-06 * 2014-12-29 *
dc.identifier.doi 10.1080/00268976.2013.787150 ko
dc.identifier.url ko
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