Absorption-free optical control of spin systems:the quantum Zeno effect in optical pumping

Details Absorption-free optical control of spin systems:the quantum Zeno effect in optical pumping Absorption-free optical control of spin systems:the quantum Zeno effect in optical pumping

2001-03-08

arxiv.org/abs/quant-ph/0103034v2

Phys. Rev. A 65,013404 (2002)

Physics

Quantum Physics

4 pages with 4 figures

Scientific paper

10.1103/PhysRevA.65.013404

We show that atomic spin motion can be controlled by circularly polarized light without light absorption in the strong pumping limit. In this limit, the pumping light, which drives the empty spin state, destroys the Zeeman coherence effectively and freezes the coherent transition via the quantum Zeno effect. It is verified experimentally that the amount of light absorption decreases asymptotically to zero as the incident light intensity is increased.

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