On Sun, Jun 10, 2012 at 12:59 AM, <pagnu...@htdconnect.com> wrote: > > Surface plasmons provide good examples of coherent charge currents. > The electric field can also provide analogous coupling. > > A mechanical analog > > - One uncoupled freight train car traveling 50 km/h cannot climb a 10m hill > - but the lead car coupled to 100 others moving at 50 km/h can easily
Nice analogy. > I believe that collisions involving many coherently moving charges cannot > be reduced to high energy collisions involving single charged particles. > > I do like Storms's approach. > I wonder whether the surface cracks serve as notch antennas which can > focus incident fields many thousands of times. The fields must be focused millions of times according to Ed. The tracks keep the train of cars "rigid" otherwise a small bump would make the lead car veer off course. So either you need tracks or a smooth terrain. harry
