TY - GEN AU - Artacho,Emilio AU - Rohlfing,M AU - Côté,M AU - Haynes,P D AU - Needs,R J AU - Molteni,C TI - Structural relaxations in electronically excited poly(para-phenylene) SN - 0031-9007 PY - 2004///1221 N1 - Publication Type: Journal Article UR - https://doi.org/10.1103/PhysRevLett.93.116401 ER -