Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Strategies for the preparation of large cluster states using
  non-deterministic gates   The cluster state model for quantum computation has paved the way for schemes
that allow scalable quantum computing, even when using non-deterministic
quantum gates. Here the initial step is to prepare a large entangled state
using non-deterministic gates. A key question in this context is the relative
efficiencies of different `strategies', i.e. in what order should the
non-deterministic gates be applied, in order to maximize the size of the
resulting cluster states? In this paper we consider this issue in the context
of `large' cluster states. Specifically, we assume an unlimited resource of
qubits and ask what the steady state rate at which `large' clusters are
prepared from this resource is, given an entangling gate with particular
characteristics. We measure this rate in terms of the number of entangling gate
operations that are applied. Our approach works for a variety of different
entangling gate types, with arbitrary failure probability. Our results indicate
that strategies whereby one preferentially bonds together identical qubits are
considerably more efficient than those in which one does not. Additionally,
compared to earlier analytic results, our numerical study offers substantially
improved resource scaling.

9
The categories of this paper are: nlin
11
The categories of this paper are: hep-lat
19
The categories of this paper are: eess
34
The categories of this paper are: chem-ph
2
The categories of this paper are: math
15
The categories of this paper are: nucl-ex
26
The categories of this paper are: bayes-an
29
The categories of this paper are: funct-an
12
The categories of this paper are: nucl-th
17
The categories of this paper are: q-fin
35
The categories of this paper are: mtrl-th
20
The categories of this paper are: acc-phys
8
The categories of this paper are: hep-ex
7
The categories of this paper are: hep-th
27
The categories of this paper are: comp-gas
4
The categories of this paper are: cond-mat