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Translation invariant tensor product states in a finite lattice system
Translation invariant tensor product states finite lattice system
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2010/11/19
We show that the matrix (or more generally tensor) product states in a finite translation invariant system can be accurately constructed from the same set of local matrices (or tensors) that are deter...
An efficient test for product states
product states n quantum systems
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2010/3/10
We give a test that can distinguish efficiently between product states of n quantum systems and states which are far from product. If applied to a state psi whose maximum overlap with a product state ...
Matrix Product States: Symmetries and Two-Body Hamiltonians
Matrix Product States Symmetries Two-Body Hamiltonians
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2010/4/13
We characterize the conditions under which a translationally invariant matrix product state (MPS) is invariant under local transformations. This allows us to relate the symmetry group of a given state...