Affiliation:
1. Naturwissenschaftlich-Technische Fakultät, Universität Siegen , Walter-Flex-Straße 3, 57068 Siegen, Germany
Abstract
One way to explore multiparticle entanglement is to ask for maximal entanglement with respect to different bipartitions, leading to the notion of absolutely maximally entangled states or perfect tensors. A different path uses unitary invariance and symmetries, resulting in the concept of multiparticle singlet states. We show that these two concepts are incompatible in the sense that the space of pure multiparticle singlet states does not contain any state for which all partitions of two particles vs the rest are maximally entangled. This puts restrictions on the construction of quantum codes and contributes to discussions in the context of the anti-de Sitter/conformal field theory correspondence and quantum gravity.
Funder
Deutsche Forschungsgemeinschaft
HORIZON EUROPE European Research Council
Bundesministerium für Bildung und Forschung
Sino-German Center for Research Promotion
House of Young Talents
Cited by
2 articles.
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