Collective behavior of light-induced droplets in smectic membranes P. V. Dolganov, E. I. Demikhov, V. K. Dolganov, B. M. Bolotin and K. Krohn Eur. Phys. J. E, 12 4 (2003) 593-597 Published online: 05 February 2004 DOI: 10.1140/epje/e2004-00031-6