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Variational Quantum Eigensolver applied to an Axial Next-Nearest Neighbour Ising model

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Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2019, Tutor: José Ignacio Latorre

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The phase diagram of the quantum Axial Next-Nearest Neighbour Ising model is studied with and without transverse field, in order to locate the maximally frustrated point. AVariational Quantum Eigensolver has been implemented for 4, 8 and 12 qubits, to compute the ground state energy of this Hamiltonian. Besides, the Solovay-Kitaev theorem is introduced in order to analyze how the error of the energy scales with the number of gates of the circuit

# metadata.dc.title[].value
Variational Quantum Eigensolver applied to an Axial Next-Nearest Neighbour Ising model