Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevLett.92.187902
Title: Perfect state transfer in quantum spin networks
Authors: Christandl, M.
Datta, N.
Ekert, A. 
Landahl, A.J.
Issue Date: 7-May-2004
Citation: Christandl, M., Datta, N., Ekert, A., Landahl, A.J. (2004-05-07). Perfect state transfer in quantum spin networks. Physical Review Letters 92 (18) : 187902-1. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevLett.92.187902
Abstract: A class of qubit networks that allows the perfect transfer of any quantum state over the longest posible distance was proposed. A perfect quantum state transfer between antipodal points of one-link and two-link hypercubes was derived. It was found that the 2log3N was the minimum perfect communication distance for hypercube geometries, when restricted to N-qubit spin networks of identical qubit couplings. It was also found that the perfect state transfer over arbitrarily long distances in a linear chain could be achieved during fixed but different couplings between the qubits.
Source Title: Physical Review Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/97508
ISSN: 00319007
DOI: 10.1103/PhysRevLett.92.187902
Appears in Collections:Staff Publications

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