Entangled coherent states: teleportation and decoherence
Quantum Physics
2009-11-06 v1
Abstract
When a superposition of two coherent states with opposite phase falls upon a 50-50 beamsplitter, the resulting state is entangled. Remarkably, the amount of entanglement is exactly 1 ebit, irrespective of , as was recently discovered by O. Hirota and M. Sasaki. Here we discuss decoherence properties of such states and give a simple protocol that teleports one qubit encoded in Schr\"odinger cat states
Cite
@article{arxiv.quant-ph/0012086,
title = {Entangled coherent states: teleportation and decoherence},
author = {S. J. van Enk and O. Hirota},
journal= {arXiv preprint arXiv:quant-ph/0012086},
year = {2009}
}
Comments
11 pages LaTeX, 3 eps figures. Submitted to Phys. Rev. A