Abstract
What interactions are sufficient to simulate arbitrary quantum dynamics in a composite quantum system? We provide an efficient algorithm to simulate any desired two-body Hamiltonian evolution using any fixed two-body entangling n-qubit Hamiltonian and local unitary operations. It follows that universal quantum computation can be performed using any entangling interaction and local unitary operations.
- Received 15 June 2001
DOI:https://doi.org/10.1103/PhysRevA.65.040301
©2002 American Physical Society