Quantum Secret Sharing Capacity Limits
Published:Dec 26, 2025 14:59
•1 min read
•ArXiv
Analysis
This paper investigates the fundamental limits of quantum secret sharing (QSS), a crucial area in quantum cryptography. It provides an information-theoretic framework for analyzing the rates at which quantum secrets can be shared securely among multiple parties. The work's significance lies in its contribution to understanding the capacity of QSS schemes, particularly in the presence of noise, which is essential for practical implementations. The paper's approach, drawing inspiration from classical secret sharing and connecting it to compound quantum channels, offers a valuable perspective on the problem.
Key Takeaways
- •Introduces an information-theoretic model for analyzing QSS rates.
- •Establishes a regularized characterization for QSS capacity.
- •Determines the capacity for QSS with dephasing noise.
Reference
“The paper establishes a regularized characterization for the QSS capacity, and determines the capacity for QSS with dephasing noise.”