"If they're too close, or too far apart, the 'entanglement' between quantum bits – which is what makes quantum computers so special – doesn't occur," Dr Tosi said. "This new idea allows us to fabricate multi-qubit processes with current technology." Andrea Morello, program manager of the UNSW-based ARC Centre of Excellence for Quantum Computation and Communication Technology and one of the paper's authors, said the concept of pulling electrons from the nucleus builds on concepts raised by an earlier UNSW scientists Bruce Kane in a landmark 1998 Nature paper – just nobody had seen it.

http://www.smh.com.au/technology/sci-tech/nobody-saw-it-breakthrough-claimed-by-unsws-quantum-computing-team-20170905-gybmph.html