Possible theoretical limits on holographic quintessence from weak gravity conjecture |
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Authors: | Yin-Zhe Ma Xin Zhang |
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Institution: | 1. College of Sciences, Northeastern University, Shenyang 110004, Liaoning, People''s Republic of China;2. Kavli Institute for Theoretical Physics China, Institute of Theoretical Physics, Chinese Academy of Sciences (KITPC/ITP-CAS), PO Box 2735, Beijing 100080, People''s Republic of China;3. Graduate School of the Chinese Academy of Sciences, Beijing 100039, People''s Republic of China |
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Abstract: | The holographic dark energy model is one of the important ways for dealing with the dark energy problems in the quantum gravity framework. In this model, the dimensionless parameter c plays an essential role in determining the evolution of the holographic dark energy. In particular, the holographic dark energy with c?1 can be effectively described by a quintessence scalar-field. However, according to the requirement of the weak gravity conjecture the variation of the quintessence scalar-field should be less than the Planck mass, which would give theoretic constraints on the parameters c and Ωm0. Therefore, we get the possible theoretical limits on the parameter c for the holographic quintessence model. |
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