T. P. Simula

Angular momentum exchange between coherent light and matter fields

B. I. Schneider, K. Mølmer, S. X. Hu, 2007, 0707.3698.

Surface modes and vortex formation in dilute Bose-Einstein condensates at finite temperatures

M. M. Salomaa, T. P. Simula, S.M.M. Virtanen, 2002 .