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Quantum Hamiltonian complexity

Worth the wait

Quantum many-body systems are often so complex as to be intractable. An algorithm that finds the ground state of any one-dimensional quantum system has now been devised, proving that the many-body problem is tractable for quantum spin chains.

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Correspondence to Frank Verstraete.

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Verstraete, F. Worth the wait. Nature Phys 11, 524–525 (2015).

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