TY - JOUR AU - Hogan C. AU - Palummo M. AU - Gierschner, Johannes AU - Rubio A. PY - 2013 DO - 10.1063/1.4773582 UR - http://hdl.handle.net/20.500.12614/2108 T2 - Journal of Chemical Physics LA - en TI - Correlation effects in the optical spectra of porphyrin oligomer chains: Exciton confinement and length dependence TY - research article VL - 138 ER -