Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Ultra-low dissipation Josephson transistor   A superconductor-normal metal-superconductor (SNS) transistor based on
superconducting microcoolers is presented. The proposed 4-terminal device
consists of a long SNS Josephson junction whose N region is in addition
symmetrically connected to superconducting reservoirs through tunnel barriers
(I). Biasing the SINIS line allows to modify the quasiparticle temperature in
the weak link, thus controlling the Josephson current. We show that, in
suitable voltage and temperature regimes, large supercurrent enhancements can
be achieved with respect to equilibrium, due to electron ``cooling'' generated
by the control voltage. The extremely low power dissipation intrinsic to the
structure makes this device relevant for a number of electronic applications.

37
The categories of this paper are: supr-con
27
The categories of this paper are: comp-gas
5
The categories of this paper are: gr-qc
25
The categories of this paper are: patt-sol
16
The categories of this paper are: stat
12
The categories of this paper are: nucl-th
10
The categories of this paper are: q-bio
24
The categories of this paper are: dg-ga
22
The categories of this paper are: chao-dyn
19
The categories of this paper are: eess
2
The categories of this paper are: math
3
The categories of this paper are: physics
1
The categories of this paper are: cs
6
The categories of this paper are: astro-ph
36
The categories of this paper are: cmp-lg
33
The categories of this paper are: plasm-ph