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A carbon-nanotube-based nanorelay
We investigate the operational characteristics of a nanorelay based on a conducting carbon nanotube placed on a terrace in a silicon substrate. The nanorelay is a three-terminal device that acts as a
Quantum Hall physics in rotating Bose–Einstein condensates
The close theoretical analogy between the physics of rapidly rotating atomic Bose condensates and the quantum Hall effect (i.e. a two-dimensional electron gas in a strong magnetic field) was first
Quantum rings for beginners: energy spectra and persistent currents
Abstract Theoretical approaches to one-dimensional and quasi-one-dimensional quantum rings with a few electrons are reviewed. Discrete Hubbard-type models and continuum models are shown to give
Quantum Hall physics : Hierarchies and conformal field theory techniques
The fractional quantum Hall effect, being one of the most studied phenomena in condensed matter physics during the past 30 years, has generated many ground-breaking new ideas and concepts. Very ear
Bose condensates at high angular momenta
We exploit the analogy with the quantum Hall (QH) system to study weakly interacting bosons in a harmonic trap. For a $\ensuremath{\delta}$-function interaction potential the ``yrast'' states with
Gender equity in higher education: why and how? A case study of gender issues in a science faculty
At a time when more and more natural science subjects are attracting an increasing number of women (chemistry for example) physics remains a male stronghold. It is not easy to understand this
Effects of surface forces and phonon dissipation in a three-terminal nanorelay
We have performed a theoretical analysis of the operational characteristics of a carbon–nanotube-based three-terminal nanorelay. We show that short range and van der Waals forces have a significant
Linear dependencies between composite fermion states
The formalism of composite fermions (CFs) has been one of the most prominent and successful approaches to describing the fractional quantum Hall effect, in terms of trial many-body wave functions.
Asymptotically exact trial wavefunctions for yrast states of rotating Bose gases
We revisit the composite fermion (CF) construction of the lowest angular momentum yrast states of rotating Bose gases with weak short-range interaction. For angular momenta at and below the single
Two-dimensional 'photon fluid': effective photon?photon interaction and physical realizations
We describe a recently developed effective theory for atom-mediated photon–photon interactions in a two-dimensional 'photon fluid' confined to a Fabry–Perot resonator. The photons in the lowest
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