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SPEEDUP Code for Calculation of Transition Amplitudes via the effective action Approach

Communications in Computational Physics 2012年第3期11卷 739-755页

作者： Antun Balaz Ivana Vidanovic Danica Stojiljkovic Dusan Vudragovic Aleksandar Belic Aleksandar Bogojevic Scientific Computing Laboratory Institute of Physics BelgradeUniversity of BelgradePregrevica 11811080 BelgradeSerbia.

We present Path Integral Monte Carlo C code for calculation of quantum mechanical transition amplitudes for *** SPEEDUP C code is based on the use of higher-order short-time effective actions and implemented to themaximal order p=18 in the time of propagation(Monte Carlo time step),which substantially improves the convergence of discretized amplitudes to their exact continuum *** derivation of higher-order effective actions is implemented in SPEEDUP Mathematica codes,using the recursive Schrodinger equation *** addition to the general 1D quantum theory,developed Mathematica codes are capable of calculating effective actions for specific models,for general 2D and 3D potentials,as well as for a general many-body theory in arbitrary number of spatial dimensions.

关键词： Transition amplitude effective action path integrals Monte Carlo

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FACTORS INFLUENCING effective action OF SETHOXYDIM-BENTAZON MIXTURE

FACTORS INFLUENCING EFFECTIVE ACTION OF SETHOXYDIM-BENTAZON ...

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The 18th Asian-Pacific Weed Science Society Conference

作者： G.B.Ye Z.P.Zhang Institute for the Control of Agro-chemicals Ministry of Agriculture Chinese Academy of Agricultural Science

＜正＞The studies were carried out in laboratory and greenhouse at CAAS during *** and chemical compatibility of sethoxydim and bentazon were *** of organic acids,nitrogen fertilizers or surfactants on joint action of Sethoxydim-Bentazon Mixture were *** of tank mixture of sethoxydim+bentazon to soybean were also *** indicated that Compatibility of sethoxydim and bentazon formulations in water was *** was no physical or chemical reaction between *** agents and organic acid could overcome or reduce the antagonism of bentazon on effects of sethoxydim on crabgrass or *** of the fertilizers depended on the rate of sethoxydim in tank mixture and what kind of nitrogen fertilizer used in the ***-matic acid could be change by-product into another *** tank mixture of sethoxydim+bentazon would be safe to soybean seedlings.

关键词： Influencing factor effective action sethoxydim bentazon

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