Multiphonon excitation and quantum decoherence in neon scattering from solid surfaces

被引：14

作者：

Al Taleb, Amjad ^{[1
]}

Anemone, Gloria ^{[1
]}

Hayes, W. W. ^{[2
]}

Manson, J. R. ^{[3
,4
]}

Farias, Daniel ^{[1
,5
,6
]}

机构：

[1] Univ Autonoma Madrid, Dept Fis Mat Condensada, E-28049 Madrid, Spain

[2] Greenville Tech Coll, Dept Phys Sci, Greenville, SC 29606 USA

[3] Clemson Univ, Dept Phys & Astron, Clemson, SC 29634 USA

[4] Donostia Int Phys Ctr DIPC, Paseo Manuel Lardizabal 4, San Sebastian 20018, Spain

[5] Univ Autonoma Madrid, Inst Nicolas Cabrera, E-28049 Madrid, Spain

[6] Univ Autonoma Madrid, Condensed Matter Phys Ctr IFIMAC, E-28049 Madrid, Spain

来源：

PHYSICAL REVIEW B | 2017年 / 95卷 / 07期

关键词：

K CU(111) SURFACE; HELIUM-ATOM-SCATTERING; HEAVY-PARTICLES; ENERGY-LOSS; DIFFRACTION; CRYSTAL; MIRROR;

D O I：

10.1103/PhysRevB.95.075414

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present angle- and energy-resolved analysis of Ne scattering from a Ni(111) surface at moderate beam energy and surface temperature. Variation of the surface temperature allows the transition from a pure quantum regime, where single-phonon events are observed, to the classical regime, where multiphonon excitations are observed. The latter can be reproduced by classical calculations. Therefore, our data lie on the border between the coherent quantum regime and the incoherent classical regime.

引用

页数：9

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