Exact eigenstates of non-frustration-free quantum many-body systems are constructed via a local error cancellation matrix-product ansatz.
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Kinetic frustration produces exact scars in hardcore boson and fermion Hubbard models that map to each other and are realizable on quantum simulators with tunable lifetimes via a new energy-distribution heuristic.
Asymptotic quantum many-body scars in SU(N) Hubbard chains are realized explicitly as gapless magnons of an embedded SU(N) ferromagnetic Heisenberg parent Hamiltonian.
Symmetric superpositions of antipodal triplet states produce exact zero-energy eigenstates in non-integrable spin Hamiltonians that are scars with tunable entanglement from volume to area law.
citing papers explorer
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Exact Quantum Many-Body Scars by a generalized Matrix-Product Ansatz
Exact eigenstates of non-frustration-free quantum many-body systems are constructed via a local error cancellation matrix-product ansatz.
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Exact quantum scars from kinetic frustration for cross-platform realizations
Kinetic frustration produces exact scars in hardcore boson and fermion Hubbard models that map to each other and are realizable on quantum simulators with tunable lifetimes via a new energy-distribution heuristic.
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Construction of asymptotic quantum many-body scar states in the SU($N$) Hubbard model
Asymptotic quantum many-body scars in SU(N) Hubbard chains are realized explicitly as gapless magnons of an embedded SU(N) ferromagnetic Heisenberg parent Hamiltonian.
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Symmetric tensor scars with tunable entanglement from volume to area law
Symmetric superpositions of antipodal triplet states produce exact zero-energy eigenstates in non-integrable spin Hamiltonians that are scars with tunable entanglement from volume to area law.