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Showing 1 to 3 of 3 for “"Matrix Product Operators"”.
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Implementing a Lattice Formulation of the Schwinger Modelwith Periodic Boundary Conditions Using Tensor Networks
… the local optimization steps used in the density matrix renormalization group (DMRG) algorithm for finding the ground state of a quantum system. However, due to practical constraints, I still use matrix product states and matrix product operators with open boundary conditions. I demonstrate the …
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Simulating quantum systems on classical computers with matrix product states
… many-body quantum-mechanical systems using matrix product states (MPS) is considered. Compared to classical systems, quantum many-body systems possess an exponentially enlarged number of degrees of freedom, significantly complicating a simulation on a classical computer. …
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Ground States through Variational Optimization using Matrix Product States: a comparison between open and periodic boundary conditions
Matrixproduktzustände können Grundzustände effizient approximieren. Basierend auf dem Matrix-Produkt-Formalismus verwenden wir Methoden der Variationsoptimierung zur Berechnung der Grundzustandsenergien des kritischen Spin-1/2 Heisenberg- und des transversalen Spin-1/2 Ising-Modells in einer …