Phys. Rev. D 38, 2399 - 2414 (1988)Expressions for linearized perturbations in ideal-fluid cosmological models |
PRL Celebrates 50 Years
This Week's Milestone Letters are from 1981: |
Bharat Ratra
Joseph Henry Laboratories, Department of Physics, Princeton University, Princeton, New Jersey 08544
Received 8 June 1988
We present closed-form solutions of the relativistic linear perturbation equations (in synchronous gauge) that govern the evolution of inhomogeneities in homogeneous, spatially flat, ideal-fluid, cosmological models. These expressions, which are valid for irregularities on any scale, allow one to analytically interpolate between the known approximate solutions which are valid at early times and at late times.
©1988 The American Physical Society
URL: http://link.aps.org/abstract/PRD/v38/p2399
DOI: 10.1103/PhysRevD.38.2399
PACS: 98.80.Dr
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