2 papers
hep-ph2002
Stable Neutral Fermi Ball
K. Ogure, T. Yoshida, J. Arafune
Fermi Ball is a kind of nontopological soliton with fermions trapped in its domain wall, and is suggested to arises from the spontaneous symmetry breaking of the approximate …
hep-ph2001
Stability and experimental flux bound of Fermi Ball
Kenzo Ogure, Jiro Arafune, Takufumi Yoshida
We investigate the stability of an Fermi ball(F-ball) within the next-to-leading order approximation in the thin wall expansion. We find out that an F-ball is unstable in case that…