Capacities of Quantum Error Correcting Codes under adaptive concatenation
Jesse Fern · arXiv (Cornell University) · 2007
We look at the effects of a quantum channel after each level of quantum error correcting codes (QECC) under recovery operators that are optimally adapted at each level. We use the entropy of the channel to estimate the capacities of QECCs. Considerable improvements in capacities are found under adaptive concatenation.