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Controlled flow of excitations in a ring-shaped network of Rydberg atoms
Francesco Perciavalle, Davide Rossini, Tobias Haug +2
Highly excited Rydberg atoms are a powerful platform for quantum simulation and information processing. Here, we propose atomic ring networks to study chiral currents of Rydberg ex…
Quantifying nonstabilizerness of matrix product states
Tobias Haug, Lorenzo Piroli
Nonstabilizerness, also known as magic, quantifies the number of non-Clifford operations needed in order to prepare a quantum state. As typical measures either involve minimization…
Atomtronic multi-terminal Aharonov-Bohm interferometer
Jonathan Wei Zhong Lau, Koon Siang Gan, Rainer Dumke +3
We study a multi-functional device for cold atoms consisting of a three-terminal ring circuit pierced by a synthetic magnetic flux, where the ring can be continuous or discretized.…
Scalable measures of magic resource for quantum computers
Tobias Haug, M. S. Kim
Non-stabilizerness or magic resource characterizes the amount of non-Clifford operations needed to prepare quantum states. It is a crucial resource for quantum computing and a nece…