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Abstract: Homogeneous Multi-scale Entanglement Renormalization Ansazt MERA state havebeen recently introduced to describe quantum critical systems. Here we presentan extensive analysis of the properties of such states by clarifying thedefinition of their transfer super-operator whose structure is studied within ainformational theoretical approach. Explicit expressions for computing theexpectation values of symmetric observables are given both in the case offinite size systems and in the thermodynamic limit of infinitely manyparticles.



Autor: V. Giovannetti, S. Montangero, M. Rizzi, R. Fazio

Fuente: https://arxiv.org/



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