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Modern Cosmology begins with an introduction to the smooth,
homogeneous universe described by a Friedman-Robertson-Walker
metric, including careful treatments of dark energy, big bang
nucleosynthesis, recombination, and dark matter. From this starting
point, the reader is introduced to perturbations about an FRW
universe: their evolution with the Einstein-Boltzmann equations,
their generation by primordial inflation, and their observational
consequences. These consequences include the anisotropy spectrum of
the cosmic microwave background (CMB) featuring acoustic peaks and
polarization, the matter power spectrum with baryonic wiggles, and
their detection via photometric galaxy surveys, redshift
distortions, cluster abundances, and weak lensing. The book
concludes with a long chapter on data analysis.
Modern Cosmology is the first book to explain in detail the
structure of the acoustic peaks in the CMB, the E/B decomposition
in polarization which may allow for detection of primordial gravity
waves, and the modern analysis techniques used on increasingly
large cosmological data sets. Readers will gain the tools needed to
work in cosmology and learn how modern observations are rapidly
revolutionizing our picture of the universe.
* Provides foundations, calculations, and interpretations which
illuminate current thinking in cosmology
* Covers the major advances in cosmology over the past decade
* Includes over 100 unique, pedagogical figures
This volume presents a set of pedagogical lectures that introduce
particle physics beyond the standard model and particle cosmology
to advanced graduate students.
Gravitational lensing is a consequence of general relativity, where
the gravitational force due to a massive object bends the paths of
light originating from distant objects lying behind it. Using very
little general relativity and no higher level mathematics, this
text presents the basics of gravitational lensing, focusing on the
equations needed to understand the phenomena. It then applies them
to a diverse set of topics, including multiply imaged objects, time
delays, extrasolar planets, microlensing, cluster masses, galaxy
shape measurements, cosmic shear, and lensing of the cosmic
microwave background. This approach allows undergraduate students
and others to get quickly up to speed on the basics and the
important issues. The text will be especially relevant as large
surveys such as LSST and Euclid begin to dominate the astronomical
landscape. Designed for a one semester course, it is accessible to
anyone with two years of undergraduate physics background.
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