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Articles 1 - 6 of 6
Full-Text Articles in Physical Sciences and Mathematics
Physical Consequences Of Anomalies In Nonlocal Potential Problems, L. L. Foldy, James A. Lock
Physical Consequences Of Anomalies In Nonlocal Potential Problems, L. L. Foldy, James A. Lock
Physics Faculty Publications
An s-wave two-body separable potential may give rise to several phenomena which are absent for nonsingular local potentials. We examine the physical implications of a well known example of such phenomena, the continuum bound state, as well as of two lesser known anomalies, the so-called positive energy spurious state and negative energy bound states with improper long-range behavior. By examining these anomalies in light of Levinson's theorem, Wigner's phase shift inequality, and the effect of a perturbation on the anomalous states by their insertion in a three-body scattering situation, we find in agreement with previous studies that the continuum bound …
Type Conversion In Electron‐Irradiated Gaas, J. W. Farmer, David C. Look
Type Conversion In Electron‐Irradiated Gaas, J. W. Farmer, David C. Look
Physics Faculty Publications
The unambiguous type conversion of GaAs by electron irradiation is reported here for the first time. Several high‐quality n‐type vapor‐phase epitaxial layers (ρ?3 Ω cm and μ?7000 cm2/V sec at 300 K) were converted by 1‐MeV electrons to high‐quality p‐type layers (ρ?30 Ω cm and μ?400 cm2/V sec). Temperature‐dependent Hall‐effect data show energy levels at 0.5, 0.3, and about 0.1 eV above the valence band. Evidence is presented to indicate that the failure of some of our samples (and, perhaps, other samples reported in the literature) to convert to low‐r …
Electronic Structure Calculation Of Icosahedral B-12, R. P. Wagner, Gust Bambakidis
Electronic Structure Calculation Of Icosahedral B-12, R. P. Wagner, Gust Bambakidis
Physics Faculty Publications
No abstract provided.
Electrical Resistivity Studies Of Order-Disorder Phenomena In V2h And V2d, Gust Bambakidis, M. W. Pershing, R. C. Bowman
Electrical Resistivity Studies Of Order-Disorder Phenomena In V2h And V2d, Gust Bambakidis, M. W. Pershing, R. C. Bowman
Physics Faculty Publications
No abstract provided.
Ionization, Luminosity, And Heating Of The Upper Atmosphere Of Mars, Jane L. Fox, Alexander Dalgarno
Ionization, Luminosity, And Heating Of The Upper Atmosphere Of Mars, Jane L. Fox, Alexander Dalgarno
Physics Faculty Publications
A model based upon Viking data is constructed of the Martian atmosphere, and a comprehensive quantitative discussion is given of the measurements of the ultraviolet dayglow. A detailed assessment is made of the heating of the neutral and ionized components of the atmosphere arising from the absorption of ultraviolet solar radiation.
Electron Transport In Se-Doped Lt-Tas2, Paul D. Hambourger, F. J. Disalvo
Electron Transport In Se-Doped Lt-Tas2, Paul D. Hambourger, F. J. Disalvo
Physics Faculty Publications
No abstract provided.