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113 papers · 1 filter
Twist of generalized skyrmions and spin vortices in a polariton superfluid
Stefano Donati, Lorenzo Dominici, Galbadrakh Dagvadorj +7
We study the spin vortices and skyrmions coherently imprinted into an exciton-polariton condensate on a planar semiconductor microcavity. We demonstrate that the presence of a pola…
Creating a bosonic fractional quantum Hall state by pairing fermions
Cécile Repellin, Tarik Yefsah, Antoine Sterdyniak
We numerically study the behavior of spin-- fermions on a two-dimensional square lattice subject to a uniform magnetic field, where opposite spins interact via an on-site attr…
Connecting few-body inelastic decay to many-body correlations: a weakly coupled impurity in a resonant Fermi gas
Sébastien Laurent, Matthieu Pierce, Marion Delehaye +3
We study three-body recombination in an ultracold Bose-Fermi mixture. We first show theoretically that, for weak inter-species coupling, the loss rate is proportional to Tan's cont…
Pressure dependence of dynamically screened Coulomb interactions in NiO: Effective Hubbard, Hund, intershell and intersite components
S. K. Panda, H. Jiang, S. Biermann
In this work, we report the pressure dependence of the effective Coulomb interaction parameters (Hubbard U) in paramagnetic NiO within the constrained random phase approximation (c…
PHIBSS: Exploring the Dependence of the CO-H Conversion Factor on Total Mass Surface Density at
Timothy Carleton, Michael C. Cooper, Alberto D. Bolatto +10
We present an analysis of the relationship between the CO-H conversion factor () and total mass surface density () in star-forming galaxies at $z < 1…
Multiwavelength variability study and search for periodicity of PKS 1510-089
G. Castignani, E. Pian, T. M. Belloni +14
Blazars are the most luminous and variable AGNs, and thus excellent probes of accretion and emission processes close to the central engine. We focus on PKS 1510-089 (), one…