Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Electric Field Properties inside Central Gap of Dipole Micro/Nano
  Antennas Operating at 30 THz   This work investigates the influence of geometric variations in dipole
micro/nano antennas, regarding their implications on the characteristics of the
electric field inside the gap space of antenna monopoles. The gap is the
interface for a metal-Insulator-Metal (MIM) rectifier diode and it needs to be
carefully optimized, in order to allow better electric current generation by
tunneling current mechanisms. The arrangement (antenna + diode or rectenna) was
designed to operate around 30 Terahertz (THz).

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The categories of this paper are: hep-ph
29
The categories of this paper are: funct-an
8
The categories of this paper are: hep-ex
32
The categories of this paper are: atom-ph
14
The categories of this paper are: math-ph
30
The categories of this paper are: q-alg
19
The categories of this paper are: eess
13
The categories of this paper are: quant-ph
20
The categories of this paper are: acc-phys
21
The categories of this paper are: adap-org
12
The categories of this paper are: nucl-th
24
The categories of this paper are: dg-ga
4
The categories of this paper are: cond-mat
9
The categories of this paper are: nlin
33
The categories of this paper are: plasm-ph
22
The categories of this paper are: chao-dyn