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Quantum optimization using variational algorithms on near-term quantum devices
Nikolaj Moll, Panagiotis Barkoutsos, Lev S. Bishop +15
Universal fault-tolerant quantum computers will require error-free execution of long sequences of quantum gate operations, which is expected to involve millions of physical qubits.…
Hardware-efficient Variational Quantum Eigensolver for Small Molecules and Quantum Magnets
Abhinav Kandala, Antonio Mezzacapo, Kristan Temme +4
Quantum computers can be used to address molecular structure, materials science and condensed matter physics problems, which currently stretch the limits of existing high-performan…
Tapering off qubits to simulate fermionic Hamiltonians
Sergey Bravyi, Jay M. Gambetta, Antonio Mezzacapo +1
We discuss encodings of fermionic many-body systems by qubits in the presence of symmetries. Such encodings eliminate redundant degrees of freedom in a way that preserves a simple…