Collective dynamics and self-diffusion in a diblock copolymer melt in the body-centered cubic phase C. M. Papadakis, F. Rittig, K. Almdal, K. Mortensen and P. Štěpánek Eur. Phys. J. E, 15 4 (2004) 359-370 Published online: 30 November 2004 DOI: 10.1140/epje/i2002-10168-y