## Abstract A differential approach for exact fixedβnode quantum Monte Carlo calculation was proposed in this paper. This new algorithm can be used to directly compute the energy differential between two systems in exact fixedβnode quantum Monte Carlo process, making the statistical error of calcul
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Exact fixed-node quantum monte carlo: Self-optimizing procedure
β Scribed by Hong-Xin Huang
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 359 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0256-7660
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The sampling of the exact solution of the Schrodinger equation by quantum Monte Carlo methods allows one to solve the problem of the optimization of linear and nonlinear parameters of a trial wave function by minimization of the distance to the exact wave function in Hilbert space even for those sys