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Updated: Jul 17, 2025

Gradient Echo Quantum Memory in Warm Atomic Vapor
Published on: November 11, 2013
Ruizhe Shen1, Tianqi Chen2, Mohammad Mujahid Aliyu3
1Department of Physics, National University of Singapore, Singapore 117551, Singapore.
Researchers demonstrate a new method to observe Yang-Lee edge singularities (YLES) in non-Hermitian systems. This breakthrough enables the experimental study of nonunitary phase transitions using a physical imaginary field.
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