supported by the National Nature Science Foundation of China(Nos.11371084,11231007 and 11322110);the National Basic Research Program of China("973"Program)(No.2011CB808002);the Program for New Century Excellent Talents in Chinese University(NCET–12–0812);the Foundation for the Author of National Excellent Doctoral Dissertation of China(No.201213);the project MTM2011–29306 of the Spanish Science and Innovation Ministry;the Chang Jiang Scholars Program(from the Chinese Education Ministry)