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quant-ph2026
Subsystem self-correction of the GKP qubit
Brian Chung Hang Cheung, Lasse Bjørn Kristensen, Frederik Nathan +1
Passive quantum error correction, also known as self-correction, is a holy grail in quantum information science. Recent theoretical advances suggest that the Gottesman-Kitaev-Presk…
quant-ph2026
Markovian quantum master equations are exponentially accurate in the weak coupling regime
Johannes Agerskov, Frederik Nathan
We consider the evolution of open quantum systems coupled to one or more Gaussian environments. We demonstrate that such systems can be described by a Markovian quantum master equa…