Probing interaction and spatial curvature in the holographic dark energy model

By Miao Li, Xiaodong Li, Shuang Wang, Yi Wang, Xin Zhang. 2009

153 citations recorded by the source corpus.

In this paper we place observational constraints on the interaction and spatial curvature in the holographic dark energy model. We consider three kinds of phenomenological interactions between holographic dark energy and matter, i.e., the interaction term Q is proportional to the energy densities of dark energy (rho(A)), matter (p(m)), and matter plus dark energy (p(m) + p(A)). For probing the interaction and spatial curvature in the holographic dark energy model, we use the latest observational data including the type la supernovae (SNIa) Constitution data, the shift parameter of the cosmic microwave background (CMB) given by the five-year Wilkinson Microwave Anisotropy Probe (WMAP5) observations, and the baryon acoustic oscillation (BAO) measurement, from the Sloan Digital Sky Survey (SDSS). Our results show that, the interaction and spatial curvature in the holographic dark energy model are both rather small. Besides, it is interesting to find that there exists significant degeneracy between the phenomenological interaction and the spatial curvature in the holographic dark energy model.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/0ece8de95fffe9fd671bc41c3044f900046d6ee6

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In Astronomy and Astrophysics

In Nuclear and High Energy Physics

Citations in the corpus

Holographic dark energy (2016, methodology): “Moreover, in [327], based on the Constitution SNIa sample, the shift parameter of CMB given by the WMAP5 and the BAO measurement from the SDSS, Li et al.”