84 citations · 379 across the 37 of their papers we have counts for
4 papers · 2 filters
Recursive Encoding and Decoding of Noiseless Subsystem and Decoherence Free Subspace
Chi-Kwong Li, Mikio Nakahara, Yiu-Tung Poon +2
When the environmental disturbace to a quantum system has a wavelength much larger than the system size, all qubits localized within a small area are under action of the same error…
Efficient Quantum Error Correction for Fully Correlated Noise
Chi-Kwong Li, Mikio Nakahara, Yiu-Tung Poon +2
We investigate an efficient quantum error correction of a fully correlated noise. Suppose the noise is characterized by a quantum channel whose error operators take fully correlate…
A note on the realignment criterion
Chi-Kwong Li, Yiu-Tung Poon, Nung-Sing Sze
For a quantum state in a bipartite system represented as a density matrix, researchers used the realignment matrix and functions on its singular values to study the separability of…
Recovery in quantum error correction for general noise without measurement
Chi-Kwong Li, Mikio Nakahara, Yiu-Tung Poon +2
It is known that one can do quantum error correction without syndrome measurement, which is often done in operator quantum error correction (OQEC). However, the physical realizatio…