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7 papers · 1 filter
Fulde-Ferrell-Larkin-Ovchinnikov superfluidity in one-dimensional optical lattices
M. Rizzi, Marco Polini, M. A. Cazalilla +3
Spin-polarized attractive Fermi gases in one-dimensional (1D) optical lattices are expected to be remarkably good candidates for the observation of the Fulde-Ferrell-Larkin-Ovchinn…
Direct resolution of unoccupied states in solids via two photon photoemission
W. Schattke, E. E. Krasovskii, R. Díez Muiño +1
Non-linear effects in photoemission are shown to open a new access to the band structure of unoccupied states in solids, totally different from hitherto used photoemission spectros…
Systematic investigation of the structure of the Si(553)-Au surface from first principles
Sampsa Riikonen, Daniel Sanchez-Portal
We present here a comprehensive search for the structure of the Si(553)-Au reconstruction. More than two hundred different trial structures have been studied using first-principles…
Tests of mode coupling theory in a simple model for two-component miscible polymer blends
A. J. Moreno, J. Colmenero
We present molecular dynamics simulations on the structural relaxation of a simple bead-spring model for polymer blends. The introduction of a different monomer size induces a larg…
Entangled-like Chain Dynamics in Non-entangled Polymer Blends with Large Dynamic Asymmetry
Angel J. Moreno, Juan Colmenero
We discuss simulations of a simple model for polymer blends in the framework of the Rouse model. At odds with standard predictions, large dynamic asymmetry between the two componen…
Electronic stopping power in insulators from first principles
J. M. Pruneda, D. Sanchez-Portal, A. Arnau +2
Using time-dependent density-functional theory we calculate from first principles the rate of energy transfer from a moving proton or antiproton to the electrons of an insulating m…