Dispersive O

Rotationally resolved energy - dispersive photoelectron spectroscopy of H 2 O :

The Szeg\"o-Asymptotics for Doubly-Dispersive Gaussian Channels

We consider the time–continuous doubly–dispersive channel with additive Gaussian noise and establish a capacity formula for the case where the channel operator is represented by a symbol which is periodic in time and fulfills some further integrability, smoothness and oscillation conditions. More precisely, we apply the well–known HolsingerGallager model for translating a time–continuous channe...

Warped Frames: Dispersive vs. Non–dispersive Sampling

Conventional Time-Frequency and Time-Scale Representations are often too rigid to capture fine details of sound or musical signals. Adaptation of ideal time-frequency tilings is often desirable in order to represent the signal in terms of components that are meaningful from a physical or perceptual point of view. Remapping of the time and frequency axes by means of time and frequency warping ca...

Incommensurate , dispersive , density of states modulations in Bi 2 Sr 2 CaCu 2 O 8 þ

Scanning tunneling spectroscopy of Bi2Sr2CaCu2O8þd reveals weak, incommensurate, spatial modulations in the tunneling conductance. When images of these energy-dependent modulations are Fourier analyzed the dispersion of their wave vectors can be determined. Comparison of the dispersions with angle-resolved photoemission indicates that quasiparticle interference, due to elastic scattering betwee...

Dispersive Quantization

The evolution, through linear dispersion, of piecewise constant periodic initial data leads to surprising quantized structures at rational times, and fractal, nondifferentiable profiles at irrational times. Similar phenomena have been observed in optics and quantum mechanics, and lead to intriguing connections with exponential sums arising in number theory. Ramifications of these observations f...