TY - JOUR T1 - Spontaneous and triggered vortices in polariton optical-parametric- oscillator superfluids JO - Physical Review Letters PY - 2010/08/04 AU - Marchetti FM AU - SzymaƄska MH AU - Tejedor C AU - Whittaker DM ED - DO - DOI: 10.1103/PhysRevLett.105.063902 VL - 105 IS - 6 Y2 - 2024/12/23 ER -