文件名称:
Solving the Quantum Many-Body Problem with Artificial Neural Networks
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文件大小: 1mb
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上传时间: 2018-09-05
详细说明： The challenge posed by the many-body problem in quantum physics originates from the difficulty of describing the non-trivial correlations encoded in the exponential com- plexity of the many-body wave function. Here we demonstrate that systematic machine learning of the wave function can reduce this complexity to a tractable computational form, for some notable cases of physical interest. We introduce a variational repre- sentation of quantum states based on artificial neural networks with variable number of hidden neurons. A rei nforcement-learning scheme is then demonstrated, capable of either finding the ground-state or describing the unitary time evolution of complex interacting quantum systems. We show that this approach achieves very high accuracy in the description of equilibrium and dynamical properties of prototypical interacting spins models in both one and two dimensions, thus offering a new powerful tool to solve the quantum many-body problem. ...展开收缩
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