Experimental observation of real spectra in Parity-Time symmetric ZRC dimers with positive and negative frequencies

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Abstract We present in this work the first experimental observation of oscillations in Parity-Time symmetric ZRC electronic dimers. The system obtained is of first order ordinary differential equation due to the use of imaginary resistors. The coupled cells must share the same type of frequency: positive or negative. We observed the real and imaginary parts of the voltage across the components of a ZRC cell. Exceptional points are well identified. This work may be very useful in the generation of new type of oscillators. It can also be used in the design of new optoelectronic devices for major applications in the transport of information and the mimics of two-level systems for quantum computing.

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