Cosmological Tracking Solutions

@inproceedings{Steinhardt1998CosmologicalTS,
  title={Cosmological Tracking Solutions},
  author={Paul J. Steinhardt and Limin Wang and Ivaylo Zlatev},
  year={1998}
}
Quintessence has been proposed as the missing energy component that must be added to the baryonic and matter density in order to reach the critical density. 3 Quintessence is a dynamical, slowly-evolving, spatially inhomogeneous component with negative pressure. An example is a scalar field Q slowly rolling down its potential V (Q). 4–11 For a general scalar field, the pressure is pQ = 12 Q̇ 2−V , and the energy density is ρQ = 12 Q̇ +V . For a slowly rolling scalar field, the pressure can be… CONTINUE READING
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