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- Max Planck Institute for Intelligent SystemsDE158 papers
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7 papers · 2 filters
A Raman study of the Charge-Density-Wave State in AMoO (A = K,Rb)
D. M. Sagar, D. Fausti, S. Yue +3
We report a comparative Raman spectroscopic study of the quasi-one-dimensional charge-density-wave systems \ab (A = K, Rb). The temperature and polarization dependent experiments r…
Quasiparticles at the verge of localization near the Mott metal-insulator transition in a two-dimensional material
J. Merino, M. Dumm, N. Drichko +2
The dynamics of charge carriers close to the Mott transition is explored theoretically and experimentally in the quasi two-dimensional organic charge-transfer salt -(BEDT-TTF)$_…
Supersolidity from defect-condensation in the extended boson Hubbard model
Yu-Chun Chen, Roger G. Melko, Stefan Wessel +1
We study the ground state phase diagram of the hard-core extended boson Hubbard model on the square lattice with both nearest- (nn) and next-nearest-neighbor (nnn) hopping and repu…
Ordering phenomena in quasi one-dimensional organic conductors
Martin Dressel
Low-dimensional organic conductors could establish themselves as model systems for the investigation of the physics in reduced dimensions. In the metallic state of a one-dimensiona…
Massive CP theory from a microscopic model for doped antiferromagnets
J. Falb, A. Muramatsu
A path-integral for the t-J model in two dimensions is constructed based on Dirac quantization, with an action found originally by Wiegmann (Phys. Rev. Lett. {\bf 60}, 821 (1988);…
Vortex Lattice Locking in Rotating Two-Component Bose-Einstein Condensates
Ryan Barnett, Gil Refael, Mason A. Porter +1
The vortex density of a rotating superfluid, divided by its particle mass, dictates the superfluid's angular velocity through the Feynman relation. To find how the Feynman relation…