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quant-ph2005
Singular behavior of an entangled state for a one-dimensional quantum spin system
Akira Kawaguchi, Kaoru Shimizu
We studied the entangled state for a one-dimensional antiferromagnetic quantum spin chain in a transverse field. We calculate the ground state using the density matrix reno…
quant-ph2004★ 4 cited
Classical simulation of quantum algorithms using the tensor product representation
A. Kawaguchi, K. Shimizu, Y. Tokura +1
Using the tensor product representation in the density matrix renormalization group, we show that a quantum circuit of Grover's algorithm, which has one-qubit unitary gates, genera…