Now showing items 1-10 of 638
The field high-amplitude SX Phoenicis variable BL Camelopardalis: results from a multisite photometric campaign
(EDP SCIENCES, 2007-08)
Context. BL Cam is an extreme metal-deficient field high-amplitude SX Phe-type variable where a very complex frequency spectrum is detected, with a number of independent nonradial modes excited, unusual among the high-amplitude ...
Bound states of hydrogen atom in a theory with minimal length uncertainty relations
(AIP Publishing, 2007-05)
The following properties of bound states of hydrogen atom in a theory with noncommuting position operators are investigated: their number, multiplicities, accidental degeneracy, localization, and dependence on the values ...
Scanning near-field optical microscopy utilizing silicon nitride probe photoluminescence
(AIP Publishing, 2005-11)
We describe a simple method for performing high-resolution scanning near-field optical microscopy (SNOM). A commercial Si3N4 tip is illuminated by an intense light source, which causes the tip to emit redshifted (inelastically ...
Competition between multiple totally asymmetric simple exclusion processes for a finite pool of resources
(American Physical Society, 2009-09)
Using Monte Carlo simulations and a domain-wall theory, we discuss the effect of coupling several totally asymmetric simple exclusion processes (TASEPs) to a finite reservoir of particles. This simple model mimics directed ...
Pyramidal and toroidal water drops after impact on a solid surface
(Cambridge University Press, 2003-06)
Superhydrophobic surfaces generate very high contact angles as a result of their microstructure. The impact of a water drop on such a surface shows unusual features, such as total rebound at low impact speed. We report ...
Position and length operators in a theory with minimal length
(AIP Publishing, 2007-05)
Relations between the notions of fundamental and minimal lengths, and duality, in a system with minimal length uncertainty relations are examined. Self-adjoint versions of operators relevant to the problem, and their ...
A comparison of viscoelastic stress wakes for two-dimensional and three-dimensional Newtonian drop deformations in a viscoelastic matrix under shear
(American Institute of Physics, 2009-07)
A recent experimental study of a Newtonian drop suspended in a viscoelastic matrix undergoing simple shear displays a transient overshoot in drop deformation which is qualitatively similar to two-dimensional (2D) numerical ...
Infrared studies of hole-plasmon excitations in heavily-doped p-type MBE-grown GaAs : C
(American Physical Society, 2000-08-15)
Infrared reflectivity measurements (200-5000 cm(-1)) and transmittance measurements (500-5000 cm(-1)) have been carried out on heavily-doped GaAs:C films grown by molecular-beam epitaxy. With increasing carbon concentration, ...
On Evidence of Absence
(Resilience Alliance, 2006-12)
Quanta. Volume 7, Issue 1
(Virginia Tech Physics Department, 2006)
An annual newsletter for the faculty, staff, students, alumni & friends of the Virginia Tech Physics Department.