期刊
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL
卷 45, 期 43, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1751-8113/45/43/435301
关键词
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资金
- FPU program (MECD, Spain)
We study the performance of quantum annealing for the simple p-body infinite-range ferromagnetic Ising model. In particular, we generalize the transverse antiferromagnetic interactions proposed by Seki and Nishimori as a quantum driver to many-body transverse interactions to understand if the two-body interactions are essential to allow the system to avoid troublesome first-order quantum phase transitions. We conclude that the general many-body interactions are effective to let the system evolve only through second-order transitions as long as a few minor conditions are satisfied. It is also discussed whether the overlap of the ground-state wavefunction of the new driver term with the target ground state is an essential factor for success.
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