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5 papers · 2 filters
Kinetic formation of trimers in a spinless fermionic chain
Lorenzo Gotta, Leonardo Mazza, Pascal Simon +1
We show the stabilization of two trimer phases in a chain of spinless fermions with a correlated hopping term. A trimer fluid forms due to a gain in trimer kinetic energy and compe…
Global Quenches after Localised Perturbations
Maurizio Fagotti
We investigate the effect of a single spin flip preceding a global quench between translationally invariant local Hamiltonians in spin- chains. The effect of the loca…
Two-fluid coexistence and phase separation in a one dimensional model with pair hopping and density interactions
Lorenzo Gotta, Leonardo Mazza, Pascal Simon +1
We compute the phase diagram of a one-dimensional model of spinless fermions with pair-hopping and nearest-neighbor interaction, first introduced by Ruhman and Altman, using the de…
Phase slips, dislocations, half-integer vortices, two-fluid hydrodynamics and the chiral anomaly in charge and spin density waves
Serguei Brazovskii, Natasha Kirova
This brief review recalls some chapters in theory of sliding incommensurate density waves which may have appeared after inspirations from studies of I.E Dzyaloshinskii and collabor…
From one- to two-magnon excitations in the S=3/2 magnet -CaCrO
M. Songvilay, S. Petit, F. Damay +7
We apply neutron spectroscopy to measure the magnetic dynamics in the S=3/2 magnet -CaCrO (T=21 K). The low-energy fluctuations, in the ordered state, resemble large…