Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A finite element analysis of a silicon based double quantum dot
  structure   We present the results of a finite-element solution of the Laplace equation
for the silicon-based trench-isolated double quantum-dot and the
capacitively-coupled single-electron transistor device architecture. This
system is a candidate for charge and spin-based quantum computation in the
solid state, as demonstrated by recent coherent-charge oscillation experiments.
Our key findings demonstrate control of the electric potential and electric
field in the vicinity of the double quantum-dot by the electric potential
applied to the in-plane gates. This constitutes a useful theoretical analysis
of the silicon-based architecture for quantum information processing
applications.

7
The categories of this paper are: hep-th
15
The categories of this paper are: nucl-ex
8
The categories of this paper are: hep-ex
31
The categories of this paper are: ao-sci
14
The categories of this paper are: math-ph
34
The categories of this paper are: chem-ph
4
The categories of this paper are: cond-mat
23
The categories of this paper are: solv-int
33
The categories of this paper are: plasm-ph
22
The categories of this paper are: chao-dyn
27
The categories of this paper are: comp-gas
35
The categories of this paper are: mtrl-th
24
The categories of this paper are: dg-ga
1
The categories of this paper are: cs
32
The categories of this paper are: atom-ph
36
The categories of this paper are: cmp-lg