6 ms·
Original paper (linked in article): http://prl.aps.org/abstract/PRL/v105/i16/e161301 http://prl.aps.org/abstract/PRL/v105/i16/e161301
by golwengaud 16y ago
Original paper (linked in article): http://prl.aps.org/abstract/PRL/v105/i16/e161301 http://prl.aps.org/abstract/PRL/v105/i16/e161301