Authors: Suter, Dieter
Zhang, Jingfu
Peng, Xinhua
Title: Speedup of quantum-state transfer by three-qubit interactions
Other Titles: mplementation by nuclear magnetic resonance
Language (ISO): en
Abstract: Universal quantum information processing requires single-qubit rotations and two-qubit interactions as minimal resources. A possible step beyond this minimal scheme is the use of three-qubit interactions. We consider such three-qubit interactions and show how they can reduce the time required for a quantum state transfer in an XY spin chain. For the experimental implementation, we use liquid-state nuclear magnetic resonance, where three-qubit interactions can be implemented by sequences of radio-frequency pulses.
URI: http://hdl.handle.net/2003/25393
http://dx.doi.org/10.17877/DE290R-2669
Publishers Link: http://e3.physik.tu-dortmund.de/~suter/eprints/QuantumStateTransfer.pdf
Issue Date: 2006-06-19
Rights: ©2006 The American Physical Society
Publisher: The American Physical Society
URL: http://dx.doi.org/10.1103/PhysRevA.73.062325
Citation: Zhang, J.; Peng, X.; Suter, D.: Speedup of quantum-state transfer by three-qubit interactions : Implementation by nuclear magnetic resonance. In: Physical Review A Jg. 73(2006), 062325.
Appears in Collections:Suter, Dieter Prof. Dr.

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