TY - GEN AU - Donadio,D AU - Bernasconi,M AU - Boero,M TI - Ab initio simulations of photoinduced interconversions of oxygen deficient centers in amorphous silica SN - 0031-9007 PY - 2002///0107 N1 - Publication Type: Journal Article UR - https://doi.org/10.1103/PhysRevLett.87.195504 ER -