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Interplay of Quantum and Statistical Fluctuations in Critical Quantum Matter (Paperback, Softcover reprint of the original 1st ed. 2018)
Loot Price: R2,873
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Interplay of Quantum and Statistical Fluctuations in Critical Quantum Matter (Paperback, Softcover reprint of the original 1st ed. 2018)
Series: Springer Theses
Expected to ship within 10 - 15 working days
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This book explores critical phenomena in highly correlated quantum
matter. Specifically, quantum antiferromagnets, magnon Bose
condensates, and systems exhibiting deconfined quantum criticality
are considered. The book's main achievement is the incorporation of
both quantum and statistical fluctuations into a quantum field
theoretic treatment of critical phenomena. This yields significant
new insights into an abundance of problems, positions them in a
much more general context, and offers an unprecedented power to
analyze experimental and numerical data and predict new effects.
Further, a major result and overarching theme is the exploration of
the scale-dependent coupling constant - an effect known in quantum
chromodynamics as "asymptotic freedom." The book provides the first
analysis to reveal asymptotic freedom in the quantum magnetism
context, and discusses many other manifestations. Another
significant result concerns the development of a consistent
theoretical framework that resolves a long-standing inconsistency
in the theory of Bose condensation. Using the approach developed
here, two new universality classes are subsequently identified. A
final major result addresses the exotic scenario of deconfined
quantum criticality. Within this framework, the book predicts the
Bose condensation of particles with half-integer spin - the first-
ever made in this regard. In closing, a smoking gun criterion to
test for this exotic condensate is established.
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