Approaching the Ground State of a Quantum Spin Glass using a Zero-Temperature Quantum Monte Carlo

Details Approaching the Ground State of a Quantum Spin Glass using a Zero-Temperature Quantum Monte Carlo Approaching the Ground State of a Quantum Spin Glass using a Zero-Temperature Quantum Monte Carlo

2008-03-31

arxiv.org/abs/0803.4508v1

Physics

Quantum Physics

8 pages, 6 figs

Scientific paper

10.1103/PhysRevE.78.061121

Here we discuss the annealing behavior of an infinite-range $\pm J$ Ising spin glass in presence of a transverse field using a zero-temperature quantum Monte Carlo. Within the simulation scheme, we demonstrate that quantum annealing not only helps finding the ground state of a classical spin glass, but can also help simulating the ground state of a quantum spin glass, in particularly, when the transverse field is low, much more efficiently.

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