These papers all assume signal locality limiting the usefulness of nonlocal quantum entanglements. Living matter must have signal nonlocality in order for life to be possible at all. This permits consciousness and decision-making over scales short compared to the travel time of nerve impulses and chemical messengers connecting separated parts of the complex system that must function as a macro-quantum coherent organic whole, e.g. Roger Penrose's discussion of "presponse" and the papers of Ben Libet, Dean Radin and Dick Bierman.
Quantum many-body models describing natural systems or materials and physical systems assembled piece by piece in the laboratory for the purpose of realizing quantum information processing share an important feature: intricate correlations that originate from the coherent interaction between a large number of constituents. In recent years it has become manifest that the cross-fertilization between research devoted to quantum information science and to quantum many-body physics leads to new ideas, methods, tools, and insights in both fields. Issues of criticality, quantum phase transitions, quantum order and magnetism that play a role in one field find relations to the classical simulation of quantum systems, to error correction and fault tolerance thresholds, to channel capacities and to topological quantum computation, to name but a few. The structural similarities of typical problems in both fields and the potential for pooling of ideas then become manifest. Notably, methods and ideas from quantum information have provided fresh approaches to long-standing problems in strongly correlated systems in the condensed matter context, including both numerical methods and conceptual insights.
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