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Field-Induced Disorder Point in Non-Collinear Ising Spin Chains
A Vindigni, N Regnault, Th Jolicoeur
We perform a theoretical study of a non-collinear Ising ferrimagnetic spin chain inspired by the compound Co(hfac)2NITPhOMe. The basic building block of its structure contains one…
Quantum Hall fractions for spinless Bosons
Nicolas Regnault, Thierry Jolicoeur
We study the Quantum Hall phases that appear in the fast rotation limit for Bose-Einstein condensates of spinless bosonic atoms. We use exact diagonalization in a spherical geometr…
Alloy effects in GaInN/GaN heterostructures
Duc Phuong Nguyen, Nicolas Regnault, Robson Ferreira +1
We show that the large band offsets between GaN and InN and the heavy carrier effective masses preclude the use of the Virtual Crystal Approximation to describe the electronic stru…
Bulge Microlensing Optical Depth from EROS 2 observations
C. Afonso, J. -N. Albert, C. Alard +7
We present a measurement of the microlensing optical depth toward the Galactic bulge based on the analysis of 15 contiguous1 square degrees fields centered on (l=2.5 deg, b=-4.0 de…