Read e-book online Dynamics Near Quantum Criticality in Two Space Dimensions PDF

By Snir Gazit

ISBN-10: 3319193538

ISBN-13: 9783319193533

ISBN-10: 3319370146

ISBN-13: 9783319370149

This paintings addresses dynamical features of quantum criticality in house dimensions. It probes power scales: the amplitude (Higgs) mode, which describes fluctuations of the order parameter amplitude within the damaged symmetry part and the twin vortex superfluid stiffness. the consequences display that the amplitude mode could be probed arbitrarily with regards to criticality within the common line form of the scalar susceptibility and the optical conductivity. The hallmark of quantum criticality is the emergence of softening power scales close to the section transition. additionally, the writer employs the charge-vortex duality to teach that the capacitance of the Mott insulator close to the superfluid to insulator part transition serves as a explore for the twin vortex superfluid stiffness. The numerical equipment hired are defined intimately, specifically a malicious program set of rules for O(N) relativistic types and strategies for numerical analytic continuation of quantum Monte Carlo facts. The predictions got are really correct to fresh experiments in chilly atomic structures and disordered superconductors.

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Dynamics Near Quantum Criticality in Two Space Dimensions (Springer Theses) by Snir Gazit

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