@article{bibcite_15364,
  author = {Mateusz Ostaszewski and Edward Grant and Marcello Benedetti},
  title = {Structure optimization for parameterized quantum circuits},
  abstract = {<p><span style="font-family:sans-serif; font-size:15.8658px">We propose an efficient method for simultaneously optimizing both the structure</span><span style="font-family:sans-serif; font-size:15.8658px">and parameter values of quantum circuits with only a small computational overhead.</span><span style="font-family:sans-serif; font-size:15.8658px">Shallow circuits that use structure optimization perform significantly better than cir-</span><span style="font-family:sans-serif; font-size:15.8658px">cuits that use parameter updates alone, making this method particularly suitable for</span><span style="font-family:sans-serif; font-size:15.8658px">noisy intermediate-scale quantum computers. We demonstrate the method for optimiz-</span><span style="font-family:sans-serif; font-size:15.8658px">ing a variational quantum eigensolver for finding the ground states of Lithium Hydride</span><span style="font-family:sans-serif; font-size:15.8658px">and the Heisenberg model in simulation, and for finding the ground state of Hydrogen</span><span style="font-family:sans-serif; font-size:15.8658px">gas on the IBM Melbourne quantum computer.</span></p>
},
  year = {2021},
  journal = {Quantum},
  volume = {5},
  chapter = {391},
  month = {01/2021},
  url = {https://quantum-journal.org/papers/q-2021-01-28-391/},
  doi = {https://doi.org/10.22331/q-2021-01-28-391},
  language = {eng},
}