Publications by authors named "DA Goodings"
Energy spectra of the hydrogen atom and the harmonic oscillator in two dimensions from Bogomolny's semiclassical transfer operator.
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics
April 1996
Classical and quantum chaos of the wedge billiard. II. Quantum mechanics and quantization rules.
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics
November 1993
Classical and quantum chaos of the wedge billiard. I. Classical mechanics.
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics
November 1993
The evidence for deterministic chaos in normal heart rhythms is examined. Electrocardiograms were recorded of 29 subjects falling into four groups-a young healthy group, an older healthy group, and two groups of patients who had recently suffered an acute myocardial infarction. From the measured R-R intervals, a time series of 1000 first differences was constructed for each subject.
View Article and Find Full Text PDF