Gao, CJ (reprint author), Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China.
; Lu, Youjun] Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
; [Gao, Changjun] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
; [Shen, You-Gen] Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
We explore a cyclic universe due to phantom and quintessence fields. We find that, in every cycle of the evolution of the universe, the phantom dominates the cosmic early history and quintessence dominates the cosmic far future. In this model of universe, there are infinite cycles of expansion and contraction. Different from the inflationary universe, the corresponding cosmic space-time is geodesically complete and quantum stable. But similar to the Cyclic Model, the flatness problem, the horizon problem and the large scale structure of the universe can be explained in this cyclic universe.