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Everyone knows that there are things no one can see, for
example, the air you're breathing or a black hole, to be more
exotic. But not everyone knows that what we can see makes up only 5
percent of the Universe. The rest is totally invisible to us.
The invisible stuff comes in two varieties--dark matter and
dark energy. One holds the Universe together while the other tears
it apart. What these forces really are has been a mystery for as
long as anyone has suspected they were there, but the latest
discoveries of experimental physics have brought us closer to that
knowledge. Particle physicist Dan Hooper takes his readers, with
wit, grace, and a keen knack for explaining the toughest ideas
science has to offer, on a quest few would ever have expected: to
discover what makes up our dark cosmos.
A graduate-level introduction to the interface between particle
physics, astrophysics, and cosmology This book explores the
exciting interface between the fields of cosmology, high-energy
astrophysics, and particle physics, at a level suitable for
advanced undergraduate to graduate level students as well as active
researchers. Without assuming a strong background in particle
physics or quantum field theory, the text is designed to be
accessible to readers from a range of backgrounds and presents both
fundamentals and modern topics in a modular style that allows for
flexible use and easy reference. It offers coverage of general
relativity and the Friedmann equations, early universe
thermodynamics, recombination and the cosmic microwave background,
Big Bang nucleosynthesis, the origin and detection of dark matter,
the formation of large-scale structure, baryogenesis and
leptogenesis, inflation, dark energy, cosmic rays, neutrino and
gamma-ray astrophysics, supersymmetry, Grand Unified Theories,
sterile neutrinos, and axions. The book also provides numerous
worked examples and homework problems, many with solutions.
Particle Cosmology and Astrophysics provides readers with an
invaluable entrée to this cross-disciplinary area of research and
discovery. • Accessible to advanced undergraduate to graduate
students, as well as researchers in cosmology, high-energy
astrophysics, and particle physics • Does not assume a strong
background in particle physics or quantum field theory, and
contains two chapters specifically for readers with no background
in particle physics. • Broad scope, covering many topics across
particle physics, astrophysics, and particle-cosmology • Modular
presentation, for easy reference and flexible use • Provides more
than 200 homework problems, many with solutions • Ideal for
course use or self-study and reference
A new look at the first few seconds after the Big Bang-and how
research into these moments continues to revolutionize our
understanding of our universe Scientists in recent decades have
made crucial discoveries about how our cosmos evolved over the past
13.8 billion years. But we still know little about what happened in
the first seconds after the Big Bang. At the Edge of Time focuses
on what we have learned and are striving to understand about this
mysterious period at the beginning of cosmic history. Delving into
the remarkable science of cosmology, Dan Hooper describes many of
the extraordinary questions that scientists are asking about the
origin and nature of our world. Hooper examines how the Large
Hadron Collider and other experiments re-create the conditions of
the Big Bang, how we may finally discover the way dark matter was
formed during our universe's first moments, and how, with new
telescopes, we are lifting the veil on the era of cosmic inflation.
At the Edge of Time presents an accessible investigation of our
universe and its birth.
A new look at the first few seconds after the Big Bang-and how
research into these moments continues to revolutionize our
understanding of our universe Scientists in the past few decades
have made crucial discoveries about how our cosmos evolved over the
past 13.8 billion years. But there remains a critical gap in our
knowledge: we still know very little about what happened in the
first seconds after the Big Bang. At the Edge of Time focuses on
what we have recently learned and are still striving to understand
about this most essential and mysterious period of time at the
beginning of cosmic history. Delving into the remarkable science of
cosmology, Dan Hooper describes many of the extraordinary and
perplexing questions that scientists are asking about the origin
and nature of our world. Hooper examines how we are using the Large
Hadron Collider and other experiments to re-create the conditions
of the Big Bang and test promising theories for how and why our
universe came to contain so much matter and so little antimatter.
We may be poised to finally discover how dark matter was formed
during our universe's first moments, and, with new telescopes, we
are also lifting the veil on the era of cosmic inflation, which led
to the creation of our world as we know it. Wrestling with the
mysteries surrounding the initial moments that followed the Big
Bang, At the Edge of Time presents an accessible investigation of
our universe and its origin.
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