Quantum Control

Matlab code for quantum spin-1/2 networks. It provides code to analyse the geometry of such networks, and some basic quantum control and characterisation code.

Information about the spin network and related quantum control projects and summary of published results.

Results of comparing log sensitivity and RIM robustness measures of energy landscape controllers. Generated by https://qyber.black/spinnet/code-robustness-of-energy-landscape-control-sensitivity-vs-rim

Code to compare log sensitivity and RIM robustness measures of energy landscape controllers. Results of running this code are at https://qyber.black/spinnet/results-robustness-of-energy-landscape-control-sensitivity-vs-rim

Code and data for differential sensitivity bounds for dynamic control used in "Robustness of Dynamic Quantum Control: Differential Sensitivity Bounds".

Robustness analysis results for energy landscape controllers dataset in Data - Energy Landscape Controllers for XX Spin Rings. Controllers and dataset in the other repository has been used to generate the analysis results here.

This data set contains the results of applying optimal control of information propagation in networks of spin-1/2 particles with uniform nearest neighbor XX-couplings forming a ring with a single excitation in the network as simple prototype of a router for spin-based information.

Energy landscape controllers dataset for XX-coupled spin rings and robustness analysis code. Results of the robustness analysis are in Results - Energy Landscape Controllers for XX Spin Rings - Robustnes.

Monte Carlo robustness analysis of static controllers obtained using various gradient and gradient-free control algorithms.