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Introduction to Superconductivity
Appropriate for intermediate or advanced courses in superconductivity, this edition has been revised to incorporate the many new developments in superconductivity. Expanded topic coverage includes…
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Introduction to mesoscopic physics
Preface Preface to the second edition List of symbols 1. Introduction and a brief review of experimental systems 2. Quantum transport, Anderson Localization 3. Dephasing by coupling with the…
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Group Theory and Quantum Mechanics
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Transition from metallic to tunneling regimes in superconducting microconstrictions: Excess current, charge imbalance, and supercurrent conversion
We propose a simple theory for the $I\ensuremath{-}V$ curves of normal-superconducting microconstriction contacts which describes the crossover from metallic to tunnel junction behavior. The detailed…
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Fabry - Perot interference in a nanotube electron waveguide
TLDR
This work describes an example of a coherent molecular electronic device whose behaviour is explicitly dependent on quantum interference between propagating electron waves—a Fabry–Perot electron resonator based on individual single-walled carbon nanotubes with near-perfect ohmic contacts to electrodes.
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Direct electronic measurement of the spin Hall effect
TLDR
Electrical measurements of the spin Hall effect in a diffusive metallic conductor are reported, using a ferromagnetic electrode in combination with a tunnel barrier to inject a spin-polarized current to reveal opportunities for efficient spin detection without the need for magnetic materials.
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Quantum suppression of superconductivity in ultrathin nanowires
TLDR
It is found that nanowires can be superconducting or insulating depending on the ratio of their normal-state resistance (RN) to the quantum resistance for Cooper pairs (Rq), and an insulating state for RN > Rq is observed, which is explained in terms of proliferation of quantum phase slips and a corresponding localization of Cooper pairs.
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Phase-slip centers and nonequilibrium processes in superconducting tin microbridges
We show experimentally that steps in theI–V curves of long, superconducting microbridges nearTc are due to spatially localized voltage units (interpreted as quantum phase-slip centers) which appear…
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Effect of Fluxoid Quantization on Transitions of Superconducting Films
This paper presents an elementary theory for the transition of a superconducting film in the presence of a perpendicular magnetic field. The theory is based on the Ginzburg-Landau theory, with…
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Quantum phase slips in superconducting nanowires.
TLDR
These measurements provide strong evidence for QPS in thin superconducting wires in a model that includes both thermally activated phase slips close to T(c) and quantum phase slips at low temperatures, but disagree with an earlier model based on a critical value of R(N)/R(q).
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