3 papers
quant-ph2026
Intrinsic locality dimension of quantum codes
Yimin Lu, Esther Xiaozhen Fu, Zi-Wen Liu
Quantum error-correcting codes are a cornerstone of quantum computing, with broad and profound connections to physics and mathematics. In this work, we introduce the notion of intr…
quant-ph2025
No-go theorems for logical gates on product quantum codes
Esther Xiaozhen Fu, Han Zheng, Zimu Li +1
Quantum error-correcting codes are essential to the implementation of fault-tolerant quantum computation. Homological products of classical codes offer a versatile framework for co…
quant-ph2025
Error Correction in Dynamical Codes
Esther Xiaozhen Fu, Daniel Gottesman
We ask what is the general framework for a quantum error correcting code that is defined by a sequence of measurements. Recently, there has been much interest in Floquet codes and…