Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Effect of quantum confinement of surface electrons on an atomic motion
  on nanoislands   Ab initio calculations and kinetic Monte Carlo simulations demonstrate that
the quantum confinement of surface electrons to nanoislands can significantly
affect the growth process at low temperatures. Formation of empty zones and
orbits of an adatom motion is demonstrated for Cu nanoislands on Cu(111).

7
The categories of this paper are: hep-th
16
The categories of this paper are: stat
13
The categories of this paper are: quant-ph
21
The categories of this paper are: adap-org
2
The categories of this paper are: math
25
The categories of this paper are: patt-sol
19
The categories of this paper are: eess
32
The categories of this paper are: atom-ph
24
The categories of this paper are: dg-ga
35
The categories of this paper are: mtrl-th
11
The categories of this paper are: hep-lat
12
The categories of this paper are: nucl-th
28
The categories of this paper are: alg-geom
34
The categories of this paper are: chem-ph
23
The categories of this paper are: solv-int
10
The categories of this paper are: q-bio