Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

Physical Review A

Reply to “Comment on ‘General relation between the transformation operator and an invariant under stochastic local operations and classical communication in quantum teleportation’ ”

Xin-Wei Zha, Kuan Fang Ren

Published Mar 16, 2009• 8 citations
Publisher

Abstract

We agree with the correction of the index made by Chen et al. [previous Comment, Phys. Rev. A 79, 036301 (2009)]. We reconfirm that our protocol can be applied to multipartite quantum channels and nonsymmetric quantum channels and that Rogolin's protocol is only a special case of ours.
DOI
10.1103/physreva.79.036302

Related papers

Comment on “General relation between the transformation operator and an invariant under stochastic local operations and classical communication in quantum teleportation”

Xiu‐Bo Chen, Qiaoyan Wen, Gang Xu +2 more

In this paper, we make a few corrections to a paper by Zha and Ren [Phys. Rev. A 77, 014306 (2008)]. The Zha-Ren protocol for teleportation in principle is equivalent to Rigolin's protocol [G. RigolinPhys. Rev. A 71, 032303 (2005)] and the associated Comment [F. G. DengPhys. Rev. A 72, 036301 (2005)]. We feel that the transformation operator is not well suited as a criterion for the faithful teleportation, but can be used as a means to transform an arbitrary four-qubit entangled state into a tensor product state of two Bell states. We give all the transformation operators.

Physical Review A•Mar 16, 2009•22 citations

Reply to “Comment on ‘Stochastic local operations and classical communication invariant and the residual entanglement for n qubits’ ”

Dafa Li, Xiangrong Li, Hongtao Huang +1 more

In D. Li, X. Li, H. Huang, and X. Li [Phys. Rev. A 76, 032304 (2007)], we defined the residual entanglement for odd $n$ qubits. In this reply, we improve the definition by averaging the original residual entanglement with respect to each qubit, which makes the defined quantity invariant under any permutation of all the qubits.

arXiv:0712.1681•Physical Review A•May 6, 2008•4 citations

Comment on “Stochastic local operations and classical communication invariant and the residual entanglement for n qubits”

Xin-Wei Zha, Haiyang Song, Ming‐Liang Hu

In a recent paper [D. Li, X. Li, H. Huang, and X. Li, Phys. Rev. A 76, 032304 (2007)], Li et al. proposed the definition of the residual entanglement for general $n$ qubits by means of the stochastic local operations and classical communication. Here we argue that their definition is not suitable for the case of odd-$n$ qubits.

arXiv:0710.2642•Physical Review A•May 6, 2008•1 citation

Reply to “Comment on ‘Scheme for teleportation of an unknown atomic state without the Bell-state measurement’ ”

Ye Liu, Guang‐Can Guo

We agree with the criticism in the Comment by Chhajlany et al. that the parlance ``without the Bell-state measurement'' in our early scheme [Phys. Rev. A 70, 054303 (2004)] is improper. But the inaccurate statement does not influence the correctness of our whole scheme. Furthermore we do not think that for enhancing the successful probability the unitary transformation of their Comment can be implemented experimentally in cavity QED system.

Physical Review A•Jan 9, 2006•3 citations

Reply to the comment in quant-ph/0609028 on "controlled teleportation"

Chui‐Ping Yang

This is to reply to the comment of Kenigsberg and Mor on our previous work ``Efficient many-party controlled teleportation of multi-qubit quantum information via entanglement''[Phys. Rev. A 70, 022329 (2004)].

arXiv:quant-ph/0610231•Oct 27, 2006•0 citations

General relation between the transformation operator and an invariant under stochastic local operations and classical communication in quantum teleportation

Xin-Wei Zha, Kuan Fang Ren

In this paper, we introduce a transformation operator expression to give a criterion for faithful teleportation of an arbitrary two-qubit state via a four-qubit entangled state. The general relation between the transformation operator and the SLOCC invariant of quantum channel is obtained and its applicability is illuminated by some known examples for the measurement in the Bell basis.

Physical Review A•Jan 31, 2008•42 citations
In this paper, we make a few corrections to a paper by Zha and Ren [Phys. Rev. A 77, 014306 (2008)]. The Zha-Ren protocol for teleportation in principle is equivalent to Rigolin's protocol [G. RigolinPhys. Rev. A 71, 032303 (2005)] and the associated Comment [F. G. DengPhys. Rev. A 72, 036301 (2005)]. We feel that the transformation operator is not well suited as a criterion for the faithful teleportation, but can be used as a means to transform an arbitrary four-qubit entangled state into a tensor product state of two Bell states. We give all the transformation operators.
In D. Li, X. Li, H. Huang, and X. Li [Phys. Rev. A 76, 032304 (2007)], we defined the residual entanglement for odd nnn qubits. In this reply, we improve the definition by averaging the original residual entanglement with respect to each qubit, which makes the defined quantity invariant under any permutation of all the qubits.
In a recent paper [D. Li, X. Li, H. Huang, and X. Li, Phys. Rev. A 76, 032304 (2007)], Li et al. proposed the definition of the residual entanglement for general nnn qubits by means of the stochastic local operations and classical communication. Here we argue that their definition is not suitable for the case of odd-nnn qubits.