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Inaccessible entanglement in symmetry protected topological phases
Caroline de Groot, David T. Stephen, Andras Molnar +1
We study the entanglement structure of symmetry-protected topological (SPT) phases from an operational point of view by considering entanglement distillation in the presence of sym…
Subsystem symmetries, quantum cellular automata, and computational phases of quantum matter
David T. Stephen, Hendrik Poulsen Nautrup, Juani Bermejo-Vega +2
Quantum phases of matter are resources for notions of quantum computation. In this work, we establish a new link between concepts of quantum information theory and condensed matter…
A computationally universal phase of quantum matter
Robert Raussendorf, Cihan Okay, Dong-Sheng Wang +2
We provide the first example of a symmetry protected quantum phase that has universal computational power. Throughout this phase, which lives in spatial dimension two, the ground s…