Bosonic amplification of noise-induced suppression of phase diffusion
arXiv:0805.1832 · doi:10.1103/PhysRevLett.100.220403
Abstract
We study the effect of noise-induced dephasing on collisional phase-diffusion in the two-site Bose-Hubbard model. Dephasing of the quasi-momentum modes may slow down phase-diffusion in the quantum Zeno limit. Remarkably, the degree of suppression is enhanced by a bosonic factor of order as the particle number increases.
5 pages, 4 figures
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