量子存储器何时可用于密集编码

IF 1.3 3区物理与天体物理 Q3 PHYSICS, MATHEMATICAL

Letters in Mathematical Physics Pub Date : 2024-06-22 DOI:10.1007/s11005-024-01831-x

Ryuji Takagi, Masahito Hayashi

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引用次数: 0

摘要

当编码操作仅限于应用群表示时，我们将讨论发送方和接收方之间特定预共享状态 n 份副本的密集编码。通常，要对这些预共享状态的多个本地副本采取行动，接收方需要量子存储器，因为一般来说，多个副本将按顺序生成。根据可用的编码单元操作，我们研究了哪种预共享状态在接收方使用量子存储器方面具有优势。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

When quantum memory is useful for dense coding

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When quantum memory is useful for dense coding

We discuss dense coding with n copies of a specific preshared state between the sender and the receiver when the encoding operation is limited to the application of group representation. Typically, to act on multiple local copies of these preshared states, the receiver needs quantum memory, because in general the multiple copies will be generated sequentially. Depending on available encoding unitary operations, we investigate what preshared state offers an advantage of using quantum memory on the receiver’s side.

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来源期刊

Letters in Mathematical Physics 物理-物理：数学物理

CiteScore

2.40

自引率

8.30%

发文量

111

审稿时长

3 months

期刊介绍： The aim of Letters in Mathematical Physics is to attract the community''s attention on important and original developments in the area of mathematical physics and contemporary theoretical physics. The journal publishes letters and longer research articles, occasionally also articles containing topical reviews. We are committed to both fast publication and careful refereeing. In addition, the journal offers important contributions to modern mathematics in fields which have a potential physical application, and important developments in theoretical physics which have potential mathematical impact.