Perfect state transfer without state initialization and remote collaboration
Journal Article
·
· Physical Review. A
- Institute of Theoretical Physics and Astrophysics, University of Gdansk, PL-80-952 Gdansk (Poland)
We present a perfect state transfer protocol via a qubit chain with the evolution governed by the xx Hamiltonian. In contrast to the recent protocol announced in Phys. Rev. Lett. 101, 230502 (2008), our method does not demand any remote-cooperated initialization and sending classical information about measurement outcomes. We achieve the perfect state transfer only with the assumption of access to two spins at each end of the chain, while the initial state of the whole chain is irrelevant.
- OSTI ID:
- 21313142
- Journal Information:
- Physical Review. A, Vol. 79, Issue 5; Other Information: DOI: 10.1103/PhysRevA.79.054304; (c) 2009 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
- Country of Publication:
- United States
- Language:
- English
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