4 ms·
Original paper with free (CC) PDF: http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.112.222002 http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.
by claudius 12y ago
Original paper with free (CC) PDF: http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.112.222002 http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.112...