“…200 nm, as compared to the corresponding in vitro spectrum. 7 The photo-absorption processes and the energy transfer reactions in purple bacteria have been the subject of many experimental [6][7][8][9][10][11][12][13] and theoretical or computational [14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30] studies. A comprehensive review article with the title Photophysics of photosynthesis.…”