PerspectiveQuantum Physics

No Mere Anarchy

Science  13 Jul 2001:
Vol. 293, Issue 5528, pp. 221-223
DOI: 10.1126/science.1062985

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Summary

Quantum tunneling through a potential barrier is a well-understood phenonmenon that, for example, explains hydrogen tunneling in chemical reactions. Add a time dependence, however, and things become more murky, as Habib explains in his Perspective. He highlights the report by Steck et al., who have gone one step further and have studied quantum dynamics in a classically chaotic system. Their observations provide experimental proof of chaos-assisted tunneling.

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