Phys. Rev. Lett. 83, 61–64 (1999)Measurement-Induced Quantum DiffusionReceived 11 January 1999; published in the issue dated 5 July 1999 The dynamics of a “kicked” quantum system undergoing repeated measurements of momentum is investigated. A diffusive behavior is obtained even when the dynamics of the classical counterpart is not chaotic. The diffusion coefficient is explicitly computed for a large class of Hamiltonians and compared to the classical case. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.83.61
DOI:
10.1103/PhysRevLett.83.61
PACS:
05.45.Mt, 03.65.Bz, 05.40.Jc, 05.60.Gg
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