3 papers
quant-ph2026
Topological Codes from Space Groups: A Route beyond Translation Invariance
Chong-Yuan Xu, Ze-Chuan Liu, Yong Xu
Translation invariance underlies all algebraic constructions of topological codes with geometrical locality. It has remained an open question whether codes that generically break t…
quant-ph2026
Fermion-to-Fermion Low-Density Parity-Check Codes
Chong-Yuan Xu, Ze-Chuan Liu, Yong Xu
Simulating fermionic systems on qubit-based quantum computers often demands significant computational resources due to the requirement to map fermions to qubits. Thus, designing a…
quant-ph2026
Self-dual Stacked Quantum Low-Density Parity-Check Codes
Ze-Chuan Liu, Chong-Yuan Xu, Yong Xu
Quantum low-density parity-check (qLDPC) codes are promising candidates for fault-tolerant quantum computation due to their high encoding rates and distances. However, implementing…