Cadarso, AndreaSanz, MikelWolf, Michael M.Cirac, J.I.Pérez García, David2023-06-192023-06-192013-011098-012110.1103/PhysRevB.87.035114https://hdl.handle.net/20.500.14352/33252Based on the theory of Matrix Product States, we give precise statements and complete analytical proofs of the following claim: a large fractionalization in the magnetization or the need of long-range interactions imply large entanglement in the state of a quantum spin chain.engjournal articlehttp://prb.aps.org/pdf/PRB/v87/i3/e035114http://arxiv.org/abs/1209.3898open access51Spin chainsQuantumEntropyStatesAreaMatemáticas (Matemáticas)12 Matemáticas