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arXiv · 0902.1418

Induced Violation of Time-Reversal Invariance in the Regime of Weakly Overlapping Resonances

B. Dietz·T. Friedrich·H. L. Harney·M. Miski-Oglu·A. Richer·F. Schaefer·J. Verbaarschot·H. A. Weidenmueller
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Abstract

We measure the complex scattering amplitudes of a flat microwave cavity (a "chaotic billiard"). Time-reversal T-invariance is partially broken by a magnetized ferrite placed within the cavity. We extend the random-matrix approach to T-violation in scattering, fit some of the properties of the scattering amplitudes, and then successfully predict others. Our work constitutes the most precise test of the theoretical approach to T-violation within the framework of random-matrix theory so far available.

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B. Dietz, T. Friedrich, H. L. Harney, M. Miski-Oglu, A. Richer, F. Schaefer, J. Verbaarschot, H. A. Weidenmueller. 2009-02-09. Induced Violation of Time-Reversal Invariance in the Regime of Weakly Overlapping Resonances. https://doi.org/10.1103/physrevlett.103.064101

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