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Dark energy: A brief review
Authors:Miao Li  Xiao-Dong Li  Shuang Wang  Yi Wang
Institution:1. Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing, 100190, China
2. Kavli Institute for Theoretical Physics, Key Laboratory of Frontiers in Theoretical Physics, Beijing, 100190, China
3. Department of Modern Physics, University of Science and Technology of China, Heifei, 230026, China
4. Interdisciplinary Center for Theoretical Study, University of Science and Technology of China, Hefei, 230026, China
5. Department of Physics, College of Sciences, Northeastern University, Shenyang, 110004, China
6. Homer L. Dodge Department of Physics & Astronomy, Univ. of Oklahoma, 440 W Brooks St., Norman, OK, 73019, USA
7. Kavli Institute for the Physics and Mathematics of the Universe, Todai Institutes for Advanced Study, University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba, 277-8583, Japan
8. Department of Physics, McGill University, Montréal, QC, H3A 2T8, Canada
Abstract:The problem of dark energy is briefly reviewed in both theoretical and observational aspects. In the theoretical aspect, dark energy scenarios are classified into symmetry, anthropic principle, tuning mechanism, modified gravity, quantum cosmology, holographic principle, back-reaction and phenomenological types. In the observational aspect, we introduce cosmic probes, dark energy related projects, observational constraints on theoretical models and model independent reconstructions.
Keywords:dark energy  theory  observation
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