$$\mathcal{P}\mathcal{T}$$ -symmetry-breaking induced suppression of tunneling in a driven non-Hermitian two-level system

Observation of parity–time symmetry in optics

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Making sense of non-Hermitian Hamiltonians

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Observation of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="script">P</mml:mi><mml:mi mathvariant="script">T</mml:mi></mml:math>-Symmetry Breaking in Complex Optical Potentials

A. R. Guo, Gregory J. Salamo, D. Duchesne et al. · Physical Review Letters · 2009 · 2.7K citations · Full text

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Parity–time synthetic photonic lattices

Alois Regensburger, Christoph Bersch, Mohammad‐Ali Miri et al. · Nature · 2012 · 2K citations · Full text

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Driven quantum tunneling

Milena Grifoni, Peter Hänggi · Physics Reports · 1998 · 1.6K citations · Full text