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Paper detail

Observation of spin-1 tunneling on a quantum computer

Spin-1 tunneling and splitting of energy levels as a result of tunneling are observed explicitly on IBM's quantum computer, ibmq-bogota. The spin-1 is realized with two spins-1/2. We detect oscillations of spin-1 between the states $|1\rangle$, $|-1\rangle$ in the result of tunneling on the basis of studies of the time dependence of the mean value of z-component of spin-1 on the quantum device. The energy level splitting is observed quantifying on the IBM's quantum computer the eigenvalues of Hamiltonian which describes the spin tunneling.

preprint2022arXivOpen access
Kh. P. GnatenkoV. M. Tkachuk
quant-ph
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Kh. P. GnatenkoV. M. Tkachuk

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