How does gravity save or kill Q-balls?

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Tamaki, Takashi; Sakai, Nobuyuki;
(2011)
  • Related identifiers: doi: 10.1103/PhysRevD.83.044027
  • Subject: General Relativity and Quantum Cosmology | High Energy Physics - Phenomenology | High Energy Physics - Theory

We explore stability of gravitating Q-balls with potential $V_4(\phi)={m^2\over2}\phi^2-\lambda\phi^4+\frac{\phi^6}{M^2}$ via catastrophe theory, as an extension of our previous work on Q-balls with potential $V_3(\phi)={m^2\over2}\phi^2-\mu\phi^3+\lambda\phi^4$. In fla... View more
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