Quantum computing on lattices using global two-qubit gates

Quantum computing on lattices using global two-qubit gates

We study the computation power of lattices composed of two-dimensional systems (qubits) on which translationally invariant global two-qubit gates can be performed. We show that if a specific set of six global two qubit gates can be performed and if the initial state of the lattice can be suitably ch...

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Veröffentlicht in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2005-08, Vol.72 (2), Article 022339
Hauptverfasser: Ivanyos, G., Massar, S., Nagy, A. B.
Format: Artikel
Sprache:eng
Schlagworte:
ATOMIC AND MOLECULAR PHYSICS
GATING CIRCUITS
INFORMATION THEORY
QUANTUM COMPUTERS
QUANTUM MECHANICS
QUBITS
TWO-DIMENSIONAL CALCULATIONS
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Zusammenfassung:We study the computation power of lattices composed of two-dimensional systems (qubits) on which translationally invariant global two-qubit gates can be performed. We show that if a specific set of six global two qubit gates can be performed and if the initial state of the lattice can be suitably chosen, then a quantum computer can be efficiently simulated.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.72.022339