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Lyapunov exponents from quantum dynamics |
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| Authors: | Fritz Haake Harald Wiedemann Karol yczkowski |
| Institution: | Fritz Haake,Harald Wiedemann,Karol Życzkowski |
| Abstract: | We extract classical Lyapunov exponents from the time dependence of quantum mechanical expectation values. Classical chaos is revealed as a quantum transient with a liftetime ～? ln ?. Our strategy is shown to work for the example of a periodically kicked top. |
| Keywords: | Theory and models of chaotic systems Quantum mechanics Foundations |