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个人信息Personal Information
教授
博士生导师
硕士生导师
性别：男
毕业院校：大连理工大学
学位：博士
所在单位：物理学院
学科：理论物理
办公地点：物理学院211室
联系方式：lxxu .AT. dlut.edu.cn
COSMIC CONSTRAINT ON RICCI DARK ENERGY MODEL
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论文类型：期刊论文
发表时间：2009-06-07
发表刊物：MODERN PHYSICS LETTERS A
收录刊物：SCIE
卷号：24
期号：17
页面范围：1355-1360
ISSN号：0217-7323
关键字：Dark energy; constraint
摘要：In this paper, a holographic dark energy model, dubbed Ricci dark energy, is confronted with cosmological observational data from type la Supernovae (SN la), baryon acoustic oscillations (BAO) and cosmic microwave background (CMB). By using maximum likelihood method, we found that Ricci dark energy model is a viable candidate of dark energy model with the best fit parameters: Omega(m0) = 0.34 +/- 0.04, alpha = 0.38 +/- 0.03 with 1 sigma error. Here, alpha is a dimensionless parameter related to Ricci dark energy rho(R) and Ricci scalar R, i.e. rho(R) proportional to alpha R.