2006/07/07 by Chisa Hotta, Nobuo Furukawa · 1 citation
Physics and Astronomy · #cond-mat.str-el
paper · pdf · doi:10.1088/0953-8984/19/14/145242
3 pages 3 figures
arxiv created 2006/07/07 · arxiv updated 2015/06/25
We study the recently reported characteristic gapless charge ordered state in a spinless fermion system on a triangular lattice under strong inter-site Coulomb interactions. In this state the charges are spontaneously divided into solid and liquid component, and the former solid part aligns in a Wigner crystal manner while the latter moves among them like a pinball. We show that such charge ordered liquid is stable over a wide range of filling, 1/3<n<2/3, and examine its filling dependent nature.