Zhang, HS (reprint author), Shanghai Normal Univ, Ctr Astrophys, Shanghai 200234, Peoples R China.
部门归属:
[Tang YanKe] Dezhou Univ, Dept Phys, Dezhou 253023, Peoples R China; [Tang YanKe] Dezhou Univ, Shandong Prov Key Lab Funct Macromol Biophys, Dezhou 253023, Peoples R China; [Zhang HongSheng] Shanghai Normal Univ, Ctr Astrophys, Shanghai 200234, Peoples R China; [Zhang HongSheng] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Chen ChiYi] Hangzhou Normal Univ, Hangzhou 310036, Zhejiang, Peoples R China; [Li XinZhou] Shanghai Normal Univ, Shanghai United Ctr Astrophys, Shanghai 200234, Peoples R China
英文摘要:
An exact de Sitter solution of scalar-tensor gravity is found in our recent work, in which the non-minimal coupling scalar is rolling along a non-constant potential. Based on this solution, a dust-filled FRW universe is explored in frame of scalar-tensor gravity in this article. The effective dark energy induced by the sole non-minimal scalar can be quintessence-like, phantom-like, and more significantly, can cross the phantom divide. The rich and varied properties of scalar-tensor gravity even with only one scalar is shown.
Tang, YK,Zhang, HS,Chen, CY,et al. Fluctuation with dust of de Sitter ground state of scalar-tensor gravity[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2014,57(3):411-417.
