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Quantum Field Theory of Many-Body Systems - From the Origin of Sound to an Origin of Light and Electrons (Paperback)
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Quantum Field Theory of Many-Body Systems - From the Origin of Sound to an Origin of Light and Electrons (Paperback)
Series: Oxford Graduate Texts
Expected to ship within 9 - 15 working days
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For most of the last century, condensed matter physics has been
dominated by band theory and Landau's symmetry breaking theory. In
the last twenty years, however, there has been the emergence of a
new paradigm associated with fractionalisation, topological order,
emergent gauge bosons and fermions, and string condensation. These
new physical concepts are so fundamental that they may even
influence our understanding of the origin of light and fermions in
the universe. This book is a pedagogical and systematic
introduction to the new concepts and quantum field theoretical
methods (which have fuelled the rapid developments) in condensed
matter physics. It discusses many basic notions in theoretical
physics which underlie physical phenomena in nature. Topics covered
are dissipative quantum systems, boson condensation, symmetry
breaking and gapless excitations, phase transitions, Fermi liquids,
spin density wave states, Fermi and fractional statistics, quantum
Hall effects, topological and quantum order, spin liquids, and
string condensation. Methods covered are the path integral, Green's
functions, mean-field theory, effective theory, renormalization
group, bosonization in one- and higher dimensions, non-linear
sigma-model, quantum gauge theory, dualities, slave-boson theory,
and exactly soluble models beyond one-dimension. This book is aimed
at teaching graduate students and bringing them to the frontiers of
research in condensed matter physics.
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