A quintessential introduction to dark energy

被引：0
|
作者：
Steinhardt, PJ [1 ]
机构：
[1] Princeton Univ, Dept Phys, Princeton, NJ 08540 USA
来源：
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES | 2003年 / 361卷 / 1812期
关键词：
quintessence; k-essence; dark energy; cyclic models; microwave background; supernovae;
D O I：
10.1098/rsta.2003.1290
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Most of the energy in the Universe consists of some form of dark energy that is gravitationally self-repulsive and that is causing the expansion of the Universe to accelerate. The possible candidates are a vacuum energy density (or, equivalently, a cosmological constant) and quintessence, a time-evolving, spatially inhomogeneous component with negative pressure. In this review, we focus on quintessence and ideas on how it might solve the cosmic coincidence problem, how it might be distinguished observationally from a cosmological constant, and how it may affect the overall cosmic history of the Universe.
引用
收藏
页码：2497 / 2513
页数：17
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