Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Experimental observation of real spectra in Parity-Time symmetric ZRC
  dimers with positive and negative frequencies   We present in this work the first experimental observation of oscillations in
Parity-Time symmetric ZRC 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.

18
The categories of this paper are: econ
28
The categories of this paper are: alg-geom
37
The categories of this paper are: supr-con
7
The categories of this paper are: hep-th
11
The categories of this paper are: hep-lat
22
The categories of this paper are: chao-dyn
1
The categories of this paper are: cs
25
The categories of this paper are: patt-sol
29
The categories of this paper are: funct-an
10
The categories of this paper are: q-bio
33
The categories of this paper are: plasm-ph
17
The categories of this paper are: q-fin
13
The categories of this paper are: quant-ph
31
The categories of this paper are: ao-sci
0
The categories of this paper are: hep-ph
23
The categories of this paper are: solv-int