Audrey Cottet, Takis Kontos, Benoit Douçot
Coupling a semiconducting nanowire to a microwave cavity provides a powerfull means to assess about the presence or absence of isolated Majorana fermions in the nanowire. These exotic bound states can cause a significant cavity frequency shift but also a strong cavity nonlinearity leading for instance to light squeezing. The dependence of these effects on the nanowire gate voltages gives direct signatures of the unique properties of Majorana fermions, such as their self-adjoint character and their exponential confinement.
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http://arxiv.org/abs/1307.4185
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