The AKLT parent Hamiltonian is , where projects two neighboring spin-one particles onto total spin two. It is frustration free, and the periodic AKLT MPS is its unique ground state on a sufficiently long chain.

Ancestors (8)

  1. Affleck--Kennedy--Lieb--Tasaki state
  2. Injective matrix product state
  3. Matrix product state
  4. Tensor network state
  5. Quantum theory
  6. Branch of physics
  7. Physics
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