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A carbon-nanotube-based nanorelay

- J. Kinaret, T. Nord, S. Viefers
- Physics
- 22 August 2002

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… Expand

Quantum Hall physics in rotating Bose–Einstein condensates

- S. Viefers
- Physics
- 5 March 2007

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… Expand

Quantum rings for beginners: energy spectra and persistent currents

- S. Viefers, P. Koskinen, P. Deo, M. Manninen
- Physics
- 3 October 2003

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… Expand

Quantum Hall physics : Hierarchies and conformal field theory techniques

- T. Hansson, M. Hermanns, S. Simon, S. Viefers
- Physics
- 7 January 2016

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… Expand

Bose condensates at high angular momenta

- S. Viefers, T. Hansson, S. Reimann
- Physics
- 6 March 2000

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… Expand

Gender equity in higher education: why and how? A case study of gender issues in a science faculty

- S. Viefers, M. Christie, F. Ferdos
- Sociology
- 1 March 2006

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… Expand

Effects of surface forces and phonon dissipation in a three-terminal nanorelay

- L. Jonsson, T. Nord, S. Viefers, J. Kinaret
- Physics
- 28 November 2003

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… Expand

Linear dependencies between composite fermion states

- M. Meyer, O. Liabøtrø, S. Viefers
- Physics
- 15 July 2015

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.… Expand

Asymptotically exact trial wavefunctions for yrast states of rotating Bose gases

- S. Viefers, M. Taillefumier
- Physics
- 14 May 2010

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… Expand

Two-dimensional 'photon fluid': effective photon?photon interaction and physical realizations

- R. Chiao, T. Hansson, J. Leinaas, S. Viefers
- Physics
- 14 April 2004

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… Expand

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