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121 papers · 1 filter
D-term cosmic strings from N=2 Supergravity
Ana Achucarro, Alessio Celi, Mboyo Esole +2
We describe new half-BPS cosmic string solutions in N=2, d=4 supergravity coupled to one vector multiplet and one hypermultiplet. They are closely related to D-term strings in N=1…
Voltage probe model of spin decay in a chaotic quantum dot, with applications to spin-flip noise and entanglement production
B. Michaelis, C. W. J. Beenakker
The voltage probe model is a model of incoherent scattering in quantum transport. Here we use this model to study the effect of spin-flip scattering on electrical conduction throug…
Quantum Point Contacts
H. van Houten, C. W. J. Beenakker
1. Quantized conductance 2. When 1 mode = 1 atom 3. Photons and Cooper pairs 4. Thermal analogues 5. Shot noise 6. Solid-state electron optics 7. Ultimate confinement 8. Landauer f…
Orbital-Peierls State in NaTiSi2O6
Jasper van Wezel, Jeroen van den Brink
Does the quasi one-dimensional titanium pyroxene NaTiSi2O6 exhibit the novel {\it orbital-Peierls} state? We calculate its groundstate properties by three methods: Monte Carlo simu…
Molecular dynamics study of photodissociation of water in crystalline and amorphous ice
Stefan Andersson, Ayman Al-Halabi, Geert-Jan Kroes +1
We present results of classical dynamics calculations, performed to study the photodissociation of water in crystalline and amorphous ice surfaces at a surface temperature of 10 K.…
Freezing transitions in non-Fellerian particle systems
C. Maes, F. Redig, E. Saada
Non-Fellerian processes show phenomena that are unseen in standard interacting particle systems. We consider freezing transitions in one-dimensional non-Fellerian processes which a…