Negative scattering asymmetry parameter for dipolar particles: Unusual reduction of the transport mean free path and radiation pressure

This work was supported by the Spanish MEC through Grants No. FIS2009-13430-C01-C02 and No. CSD2007- 00046 (Consolider NanoLight) and by the Comunidad de Madrid Microseres Project No. S2009/TIC-1476. M.Y. thanks the Mexican Consejo Nacional de Ciencia y Tecnologia for a postdoctoral grant (No. 000000000162768). F.S. acknowledges financial support by the Swiss National Science Foundation (Project No. 132736) and the Adolphe Merkle Foundation