Physics – Condensed Matter – Statistical Mechanics
Scientific paper
1997-07-17
Physics
Condensed Matter
Statistical Mechanics
4 pages in RevTex (6 figures in PostScript included)
Scientific paper
10.1103/PhysRevLett.80.1808
Numerical evidence is given for non-ergodic (non-mixing) behavior, exhibiting ideal transport, of a simple non-integrable many-body quantum system in the thermodynamic limit, namely kicked $t-V$ model of spinless fermions on a ring. However, for sufficiently large kick parameters $t$ and $V$ we recover quantum ergodicity, and normal transport, which can be described by random matrix theory.
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