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Optimal collection of radiation emitted by a trapped atomic ensemble
A. Kurkó, P. Domokos, A. Vukics +4
Trapped atomic ensembles are convenient systems for quantum information storage in the long-lived sublevels of the electronic ground state and its conversion to propagating optical…
Lattice gauge theory and dynamical quantum phase transitions using noisy intermediate scale quantum devices
Simon Panyella Pedersen, Nikolaj Thomas Zinner
Lattice gauge theories are a fascinating and rich class of theories relating to the most fundamental models of particle physics, and as experimental control on the quantum level in…
Reducing the amount of single-qubit rotations in VQE and related algorithms
S. E. Rasmussen, N. J. S. Loft, T. Bækkegaard +2
With the advent of hybrid quantum classical algorithms using parameterized quantum circuits the question of how to optimize these algorithms and circuits emerges. In this paper we…
Simple implementation of high fidelity controlled-SWAP gates and quantum circuit exponentiation of non-Hermitian gates
S. E. Rasmussen, N. T. Zinner
The swap gate is an entangling swapping gate where the qubits obtain a phase of if the state of the qubits is swapped. Here we present a simple implementation of the control…