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$W$ state is not the unique ground state of any local Hamiltonian. (arXiv:2310.10716v1 [cond-mat.str-el]) http://arxiv.org/abs/2310.10716
$W$ state is not the unique ground state of any local Hamiltonian. (arXiv:2310.10716v1 [cond-mat.str-el]) http://arxiv.org/abs/2310.10716