Insulator -Superconductor Transitions in Two Dimensions
Dalidovich, Denis Leonidovich
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https://hdl.handle.net/2142/80467
Description
Title
Insulator -Superconductor Transitions in Two Dimensions
Author(s)
Dalidovich, Denis Leonidovich
Issue Date
2001
Doctoral Committee Chair(s)
Philip Phillips
Department of Study
Physics
Discipline
Physics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Physics, Condensed Matter
Language
eng
Abstract
In the fifth part we analyze the behavior near the 2D IST in the presence of a perpendicular magnetic field. We show that with increasing field H, the QD and QC regimes, in which vortex degrees of freedom are suppressed, crossover to a new magnetically activated (MA) regime, where the correlation length xi ∼ 1/ H . In this regime, we show that the conductivity decreases monotonically with field as opposed to the anticipated saturation predicted from hyper-universality arguments.
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