English

Generalized Remote Preparation of Arbitrary $m$-qubit Entangled States via Genuine Entanglements

Quantum Physics 2015-06-24 v1

Abstract

Herein, we present a feasible, general protocol for quantum communication within a network via generalized remote preparation of an arbitrary mm-qubit entangled state designed with genuine tripartite Greenberger--Horne--Zeilinger-type entangled resources. During the implementations, we construct novel collective unitary operations; these operations are tasked with performing the necessary phase transfers during remote state preparations. We have distilled our implementation methods into a five-step procedure, which can be used to faithfully recover the desired state during transfer. Compared to previous existing schemes, our methodology features a greatly increased success probability. After the consumption of auxiliary qubits and the performance of collective unitary operations, the probability of successful state transfer is increased four-fold and eight-fold for arbitrary two- and three-qubit entanglements when compared to other methods within the literature, respectively. We conclude this paper with a discussion of the presented scheme for state preparation, including: success probabilities, reducibility and generalizability.

Keywords

Cite

@article{arxiv.1503.08533,
  title  = {Generalized Remote Preparation of Arbitrary $m$-qubit Entangled States via Genuine Entanglements},
  author = {Dong Wang and Ross D. Hoehn and Liu Ye and Sabre Kais},
  journal= {arXiv preprint arXiv:1503.08533},
  year   = {2015}
}

Comments

16 pages, 3 figures, 3 tables, Accepted to Entropy