Quantum computing via measurements only
| dc.creator | Raussendorf, Robert | |
| dc.creator | Briegel, Hans J. | |
| dc.date | 2000-10-07 | |
| dc.date.accessioned | 2026-07-07T06:00:57Z | |
| dc.date.available | 2026-07-07T06:00:57Z | |
| dc.description | A quantum computer promises efficient processing of certain computational tasks that are intractable with classical computer technology. While basic principles of a quantum computer have been demonstrated in the laboratory, scalability of these systems to a large number of qubits, essential for practical applications such as the Shor algorithm, represents a formidable challenge. Most of the current experiments are designed to implement sequences of highly controlled interactions between selected particles (qubits), thereby following models of a quantum computer as a (sequential) network of quantum logic gates. Here we propose a different model of a scalable quantum computer. In our model, the entire resource for the quantum computation is provided initially in form of a specific entangled state (a so-called cluster state) of a large number of qubits. Information is then written onto the cluster, processed, and read out form the cluster by one-particle measurements only. The entangled state of the cluster thus serves as a universal substrate for any quantum computation. Cluster states can be created efficiently in any system with a quantum Ising-type interaction (at very low temperatures) between two-state particles in a lattice configuration. | |
| dc.description | 4 pages, 2 figures | |
| dc.identifier | https://arxiv.org/abs/quant-ph/0010033 | |
| dc.identifier | http://arxiv.org/abs/quant-ph/0010033 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/89122 | |
| dc.subject | Quantum Physics | |
| dc.title | Quantum computing via measurements only | |
| dc.type | text |