Physics – Quantum Physics
Scientific paper
2002-05-08
Phys. Rev. C, vol 67, 011604R (2003)
Physics
Quantum Physics
Title changed, few changes in the abstract and in the main body of the paper, and changes in the font size in the figure. Uses
Scientific paper
10.1103/PhysRevC.67.011604
We demonstrate a break-down in the macroscopic (classical-like) dynamics of wave-packets in complex microscopic and mesoscopic collisions. This break-down manifests itself in coherent superpositions of the rotating clockwise and anticlockwise wave-packets in the regime of strongly overlapping many-body resonances of the highly-excited intermediate complex. These superpositions involve $\sim 10^4$ many-body configurations so that their internal interactive complexity dramatically exceeds all of those previously discussed and experimentally realized. The interference fringes persist over a time-interval much longer than the energy relaxation-redistribution time due to the anomalously slow phase randomization (dephasing). Experimental verification of the effect is proposed.
Benet Luis
Chadderton Lewis T.
Greiner Walter
Haas Fernando
Kun Sergey Yu.
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