TY  - GEN 
AU  - Ferraz, Paulo B.
PY  - 2020
UR  - http://hdl.handle.net/10481/76788
AB  - We show that highly spinning primordial black holes of mass M   1012 kg, potentially born in
a matter-dominated era after in
ation, can produce clouds of pions in their vicinity via the superradiant
instability, with densities up to that of nuclear...
LA  - eng
PB  - Institute of Physics
TI  - Superradiant pion clouds around primordial black holes
ER  -