Neurocomputing approach to matrix product state using quantum dynamics
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DOI: 10.1007/s11128-018-2053-0
Abstract: During the last three decades, quantum neural computation has received a relatively high amount of attention among researchers and academic communities since the model of quantum neural network has been proposed. Matrix product state is… read more here.
Keywords: state; product state; quantum; matrix product ... See more keywords
Model for nuclear spin product-state distributions of ultracold chemical reactions in magnetic fields
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DOI: 10.1103/physreva.104.052817
Abstract: Based on a theoretical model where the nuclear spins remain unchanged during a collision, we provide an analytical and general expression for the nuclear spin state-to-state distribution of an ultracold chemical reaction in a magnetic… read more here.
Keywords: model nuclear; chemical reactions; ultracold chemical; state ... See more keywords
Matrix product state approach for a quantum system at finite temperatures using random phases and Trotter gates
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DOI: 10.1103/physrevb.104.045133
Abstract: We develop a numerical method based on matrix product states for simulating quantum manybody systems at finite temperatures without importance sampling and evaluate its performance in spin 1/2 systems. Our method is an extension of… read more here.
Keywords: system; matrix product; approach; finite temperatures ... See more keywords
Efficient matrix product state methods for extracting spectral information on rings and cylinders
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DOI: 10.1103/physrevb.104.115142
Abstract: Based on the MPS formalism, we introduce an ansatz for capturing excited states in finite systems with open boundary conditions, providing a very efficient method for computing, e.g., the spectral gap of quantum spin chains.… read more here.
Keywords: efficient matrix; state methods; matrix product; state ... See more keywords