  We present experimental evidence for a new behavior which involves discrete
breathers and vortices in a Josephson Ladder. Breathers can be visualized as
the creation and subsequent annihilation of vortex/anti-vortex pairs. An
externally applied magnetic field breaks the vortex/anti-vortex symmetry and
causes the breather to split apart. The motion of the vortex or anti-vortex
creates multi-site breathers, which are always to one side or the other of the
original breather depending on the sign of the applied field. This asymmetry in
applied field is experimentally observed.
