A Gap Between the Hypergraph and Stabilizer Entropy Cones

29 Jun 2020 Bao Ning Cheng Newton Hernández-Cuenca Sergio Su Vincent Paul

It was recently found that the stabilizer and hypergraph entropy cones coincide for four parties, leading to a conjecture of their equivalence at higher party numbers. In this note, we show this conjecture to be false by proving new inequalities obeyed by all hypergraph entropy vectors that exclude particular stabilizer states on six qubits... (read more)

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Categories


  • QUANTUM PHYSICS
  • HIGH ENERGY PHYSICS - THEORY