Physics – Quantum Physics
Scientific paper
2009-04-10
Phys. Rev. A 79, 061603(R) (2009)
Physics
Quantum Physics
revtex4, 4 pages, 1 figure (PDF)
Scientific paper
10.1103/PhysRevA.79.061603
We show that thermalization and the breakdown of integrability in the one dimensional Lieb-Liniger model caused by local three-body elastic interactions is suppressed by pairwise quantum correlations when approaching the strongly correlated regime. If the relative momentum $k$ is small compared to the two-body coupling constant $c$ the three-particle scattering state is suppressed by a factor of $(k/c)^{12}$. This demonstrates that in one dimensional quantum systems it is not the freeze-out of two body collisions but the strong quantum correlations which ensures integrability.
Mazets Igor E.
Schmiedmayer Jörg
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