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quant-ph2025
Two classes of quantum spin systems that are gapped on any bounded-degree graph
Nicholas Hunter-Jones, Marius Lemm
We study translation-invariant quantum spin Hamiltonians on general graphs with non-commuting interactions either given by (i) a random rank- projection or (ii) Haar projectors.…
quant-ph2025
Demonstrating an unconditional separation between quantum and classical information resources
William Kretschmer, Sabee Grewal, Matthew DeCross +8
A longstanding goal in quantum information science is to demonstrate quantum computations that cannot be feasibly reproduced on a classical computer. Such demonstrations mark major…