Tensor-network states (MPS/TT, PEPS, MERA) represent quantum many-body wavefunctions as contractions of small local tensors. Matrix Product State (MPS) ansatz for a 1D chain: |ψ⟩ = Σ Tr(A^[1]_{s₁}·A^[2]_{s₂}·…·A^[N]_{s_N})|s⟩ with bond…
Tensor-network states (MPS/TT, PEPS, MERA) represent quantum many-body wavefunctions as contractions of small local tensors. Matrix Product State (MPS) ansatz for a 1D chain: |ψ⟩ = Σ Tr(A^[1]_{s₁}·A^[2]_{s₂}·…·A^[N]_{s_N})|s⟩ with bond…