vix.ing · top · new · best · stats · spec

Optimal State Merging without Decoupling

2009/01/01 by Jean-Christian Boileau, Joseph M. Renes
Computer Science · Decision Sciences · Physics and Astronomy · #Game Theory and Applications #Quantum Computing Algorithms and Architecture #Quantum Information and Cryptography #quant-ph

paper · pdf · doi:10.1007/978-3-642-10698-9_8

10 pages, accepted contribution to TQC 2009

openalex publication_date 2009/01/01 · arxiv created 2009/05/08 · arxiv updated 2010/04/29 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/04

Abstract

We construct an optimal state merging protocol by adapting a recently-discovered optimal entanglement distillation protcol [Renes and Boileau, Phys. Rev. A . 73, 032335 (2008)]. The proof of optimality relies only on directly establishing sufficient "amplitude" and "phase" correlations between Alice and Bob and not on usual techniques of decoupling Alice from the environment. This strengthens the intuition from quantum error-correction that these two correlations are all that really matter in two-party quantum information processing.

Citations