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Journal ArticleDOI

Electronic surface states of liquid helium

Milton W. Cole
- 01 Jul 1974 - 
- Vol. 46, Iss: 3, pp 451-464
TLDR
In this paper, two species of surface states are discussed: weakly bound by the image force and an electron bubble held below the interface with an applied field, and a resonance experiment in this geometry determines an effective mass different from the bulk liquid value.
Abstract
Electrons at the surface of liquid $^{4}\mathrm{He}$ are potentially valuable probes of both static and dynamic properties of the interface. Two species of surface state are discussed. One of these is localized just above the interface, weakly bound by the image force. The existence of this state has been confirmed by direct spectroscopic observation. Measurements of parallel field mobility and life-time on the surface are discussed and compared with predictions. The other surface state is an electron bubble held below the interface with an applied field. A resonance experiment in this geometry determines an effective mass different from the bulk liquid value. Studies of field emission from the bubbles lead to an evaluation of other bubble properties.

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Citations
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Trapped nonneutral plasmas, liquids, and crystals (the thermal equilibrium states)

TL;DR: In this article, the conditions for, and the structure of, the thermal equilibrium states of trapped plasmas are discussed. And a thermodynamic theory of the trapped plasma system is developed.
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Levitation in Physics

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Cluster size effects

TL;DR: In this article, the authors address the physical and chemical consequences of clusters, including their large surface/volume ratio and the size dependence of the properties of large finite systems, using cluster size equations (CSEs).
Book ChapterDOI

Confined carrier quantum states in ultrathin semiconductor heterostructures

TL;DR: In this paper, the authors studied the effects associated with the quantization of confined carrier motion in ultrathin semiconductor heterostructures and the relevance of these results from band structure analysis to device technology is considered.
References
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TL;DR: In this article, it was shown that the Fourier component of the density must vanish in the thermodynamic limit, provided that the pair potential is in equilibrium in a parallelogram box.
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On the Surface States Associated with a Periodic Potential

TL;DR: In this article, the wave functions and energy levels associated with a finite one-dimensional periodic potential field are investigated and the surface levels appear only at lattice constants so small that the boundary curves for the allowed energy bands have crossed.
Journal ArticleDOI

Space-Charge Effects on Electron Tunneling

TL;DR: In this article, the one-electron (Bethe-Sommerfeld) model of electron tunneling is formulated to describe tunneling when the curvature (electron mass and centroid of the oneelectron constant energy surfaces vary across the junction.
Journal ArticleDOI

Long range order and metastability in two dimensional solids and superfluids. (Application of dislocation theory)

TL;DR: In this paper, it was shown that the rigidity modulus is nonzero at the transition temperature of a two-dimensional superfluid, and that the superfluid density is not zero at any temperature.
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