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Quantum Information Processing

Approximate conditional teleportation of a -type three-level atomic state based on cavity QED method beyond Bell-state measurement

  • 01-08-2017
Published in:
Authors
N. Sehati
M. K. Tavassoly
Published in
Quantum Information Processing | Issue 8/2017

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Abstract

Inspiring from the scheme proposed in (Zheng in Phys Rev A 69:064,302 2004), our aim is to teleport an unknown qubit atomic state using the cavity QED method without using the explicit Bell-state measurement, and so the additional atom is not required. Two identical \(\varLambda \)-type three-level atoms are interacted separately and subsequently with a two-mode quantized cavity field where each mode is expressed with a single-photon field state. The interaction between atoms and field is well described via the Jaynes–Cummings model. It is then shown that how if the atomic detection results a particular state of atom 1, an unknown state can be appropriately teleported from atom 1 to atom 2. This teleportation procedure successfully leads to the high fidelity F (success probability \(P_g\)) in between \(69\%\lesssim F\lesssim 100\%\) (\(0.14\lesssim P_g\lesssim 0.56\)). At last, we illustrated that our scheme considerably improves similar previous proposals.

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previous article Cyclic quantum teleportation
next article Authenticated communication from quantum readout of PUFs
Title
Approximate conditional teleportation of a -type three-level atomic state based on cavity QED method beyond Bell-state measurement
Authors
N. Sehati
M. K. Tavassoly
Publication date
01-08-2017
Publisher
Springer US
Published in
Quantum Information Processing / Issue 8/2017
Print ISSN: 1570-0755
Electronic ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-017-1643-6
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