# Quantum data compression, quantum information generation, and the density-matrix renormalization-group method

@inproceedings{Legeza2004QuantumDC, title={Quantum data compression, quantum information generation, and the density-matrix renormalization-group method}, author={Ors Legeza and Jenő S{\'o}lyom}, year={2004} }

We have studied quantum data compression for finite quantum systems where the site density matrices are not independent, i.e., the density matrix cannot be given as direct product of site density matrices and the von Neumann entropy is not equal to the sum of site entropies. Using the density-matrix renormalization group (DMRG) method for the 1-d Hubbard model, we have shown that a simple relationship exists between the entropy of the left or right block and dimension of the Hilbert space of… CONTINUE READING

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