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National champions

The intervention presents President Sarkozy’s controversial statements in relation to the elimination of Article 3(1)(g) in the TEC and discusses potential future consequences in line with the Swedish article (2009:1) Efter 50 år – mindre principer och mer politik i konkurrensrätten.

Detection of charge states in nanowire quantum dots using a quantum point contact

The authors demonstrate operation of a charge readout scheme for quantum dots in a semiconductor nanowire using a quantum point contact defined in a GaAs/AlGaAs two-dimensional electron gas beneath the nanowire. The quantum dots were fabricated by epitaxial growth of InP barriers along a n-type InAs nanowire. Applying negative voltages to two split-gate electrodes aligned to the nanowire induces a

Scalable Distributed Kalman Filtering for Mass-Spring Systems

This paper considers Kalman Filtering for massspring systems. The aim is a scalable distributed implementation where nodes communicate in a sparse pattern and the state estimate for each node is available locally and usable for control. The focus is on translation invariant systems, to make use of the powerful results available based on Fourier Transform methods. In this case it is known that Kalm

Modelling of Granular Materials

The aim of this doctoral study is to develop and implement a material model for granular materials. The course of this work was concentrated upon a non-associated plasticity model with yield surface and the flow potential expressed in terms of the mean stress p and the third stress invariants I3. The plastic work hardening in the model depends upon both plastic volumetric and deviatoric strain inc

Data Quality Quantification for Time Domain IP Data Acquired along a Planned Tunnel near Oslo, Norway

Tests were done measuring resistivity and time domain induced polarisation using standard multi-core cable spreads and a special layout with separate cable spreads for transmitting current and measuring potentials. For both types of cables spreads both normal and reciprocal measurements were done in order to estimate the measurement errors. The tests were done along a planned tunnel stretch outsid