Simulating non-completely positive actions via exponentiation of Hermitian-preserving maps

Abstract Legitimate quantum operations must adhere to principles of quantum mechanics, particularly the requirements of complete positivity and trace preservation. Yet, non-completely positive maps, especially Hermitian-preserving maps, play a crucial role in quantum information science. Here, we in...

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Bibliographic Details
Main Authors: Fuchuan Wei, Zhenhuan Liu, Guoding Liu, Zizhao Han, Dong-Ling Deng, Zhengwei Liu
Format: Article
Language:English
Published: Nature Portfolio 2024-12-01
Series:npj Quantum Information
Online Access:https://doi.org/10.1038/s41534-024-00949-z
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