Visnyk of the Lviv University. Series Physics 60 (2023) c. 70-77
DOI: https://doi.org/10.30970/vph.60.2023.70

Preparation of maximally entangled four-qubit states on a quantum computer and calculation of the geometric measure of entanglement

B. P. Hnatenko, Kh. P. Gnatenko

We study maximally entangled four-qubit quantum states. Quantum protocols for preparation of the states and calculation of the geometric measure of entanglement are constructed and realized on IBM's quantum computer ibm-perth. The results of quantum calculations are in agreement with theoretical ones. We show that the quantum device ibm-perth can be in a maximally entangled four-qubit quantum state.

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