The patent mentioned in the references of the paper is also interesting.<p>Quantum Computing Circuits<p>US 20130057314 A1<p><a href="http://www.google.com/patents/US20130057314" rel="nofollow">http://www.google.com/patents/US20130057314</a>
The author doesn't seem familiar with quantum measurement. Yes of course the measurement apparatus disturbs the state... There's plenty of theory for this and how it works into computation.