Sparsifying the SYK quantum battery Hamiltonian improves its charging efficiency (extractable work per stored energy) as long as chaos survives, by up to roughly 10% at N=10.
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Boosting quantum efficiency by reducing complexity
Sparsifying the SYK quantum battery Hamiltonian improves its charging efficiency (extractable work per stored energy) as long as chaos survives, by up to roughly 10% at N=10.