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Classifying Quantum Phases Using Matrix Product States And Projected Entangled Pair States

PHYSICAL REVIEW B, no. 16 (2011)

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phase transitionsymmetry breakingnormal formphase diagramtwo dimensionsMore(4+)

Abstract

We give a classification of gapped quantum phases of one-dimensional systems in the framework of matrix product states (MPS) and their associated parent Hamiltonians, for systems with unique as well as degenerate ground states and in both the absence and the presence of symmetries. We find that without symmetries, all systems are in the s...More

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norbert schuch

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david perezgarcia

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ignacio cirac

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