1 research outputs found
Number of quantal resonances
Employing the concept of time-delay, a relation is found which counts the
number of quantal resonances supported by a potential. Several simple and
advanced illustrations include a treatment of square-well, Dirac delta barrier,
an interesting physical situation from neutron reflectometry, and the Delta
resonance appearing in the scattering of \pi meson from proton.Comment: 9 pages, 5 figure