Διαφάνεια PPT
Nontopological Solitons: Q Balls
Dynamically Stable Time Dependent Solutions
with a rotating internal phase. Their stability
is due to the conservation of Noether charge.
Field equation for time evolution
Axenides, Floratos, Komineas, Perivolaropoulos, Phys.Rev.D62:047301,2000
Effective Potential of Virtual Particle