1. Theoretical
Physics Department, Faculty of Physics, Vilnius University, Saulėtekio al. 9, LT-10222 Vilnius, Lithuania
2. Center for Physical Sciences and Technology, A. Gostauto 11, LT-01108 Vilnius, Lithuania
3. Institut
de Biologie et de Technologie de Saclay, CEA, UMR 8221 CNRS, University Paris Sud, CEA Saclay, 91191 Gif sur Yvette, France
4. Department
of Energy and Biotechnology and Department
of Chemistry, Myong Ji University, Myongji-Ro 116, Cheoin-Gu, Yongin, Gyeonggi-Do 449-728, Korea