Imaginarity of quantum channels: Refinement and alternative

Xiangyu Chen; Qiang Lei

doi:10.1016/j.physleta.2024.130129

Imaginarity of quantum channels: Refinement and alternative

Xiangyu Chen
, Qiang Lei^*

^*Corresponding author for this work

School of Mathematics, Harbin Institute of Technology

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

In this paper, we introduce the framework for quantifying the imaginarity of quantum channels. Besides, an alternative framework is given together to simplify the process of verifying the condition. We present three imaginarity measures of quantum channels based on the robustness, the trace norm, and the entropy, respectively. Some properties are also given.

Original language	English
Article number	130129
Journal	Physics Letters, Section A: General, Atomic and Solid State Physics
Volume	530
DOIs	https://doi.org/10.1016/j.physleta.2024.130129
State	Published - 15 Jan 2025
Externally published	Yes

Keywords

Alternative framework
Imaginarity measures
Quantum channels
Quantum resource theories

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10.1016/j.physleta.2024.130129

Cite this

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title = "Imaginarity of quantum channels: Refinement and alternative",

abstract = "In this paper, we introduce the framework for quantifying the imaginarity of quantum channels. Besides, an alternative framework is given together to simplify the process of verifying the condition. We present three imaginarity measures of quantum channels based on the robustness, the trace norm, and the entropy, respectively. Some properties are also given.",

keywords = "Alternative framework, Imaginarity measures, Quantum channels, Quantum resource theories",

author = "Xiangyu Chen and Qiang Lei",

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year = "2025",

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day = "15",

doi = "10.1016/j.physleta.2024.130129",

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T1 - Imaginarity of quantum channels

T2 - Refinement and alternative

AU - Chen, Xiangyu

AU - Lei, Qiang

PY - 2025/1/15

Y1 - 2025/1/15

N2 - In this paper, we introduce the framework for quantifying the imaginarity of quantum channels. Besides, an alternative framework is given together to simplify the process of verifying the condition. We present three imaginarity measures of quantum channels based on the robustness, the trace norm, and the entropy, respectively. Some properties are also given.

AB - In this paper, we introduce the framework for quantifying the imaginarity of quantum channels. Besides, an alternative framework is given together to simplify the process of verifying the condition. We present three imaginarity measures of quantum channels based on the robustness, the trace norm, and the entropy, respectively. Some properties are also given.

KW - Alternative framework

KW - Imaginarity measures

KW - Quantum channels

KW - Quantum resource theories

UR - https://www.scopus.com/pages/publications/85210614647

U2 - 10.1016/j.physleta.2024.130129

DO - 10.1016/j.physleta.2024.130129

M3 - 文章

AN - SCOPUS:85210614647

SN - 0375-9601

VL - 530

JO - Physics Letters, Section A: General, Atomic and Solid State Physics

JF - Physics Letters, Section A: General, Atomic and Solid State Physics

M1 - 130129

ER -

Imaginarity of quantum channels: Refinement and alternative

Abstract

Keywords

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