The newly developed iterative method based on Green function defined by quadratures along a single trajectory is combined with the variational method to solve the ground state quantum wave function for central potenti...The newly developed iterative method based on Green function defined by quadratures along a single trajectory is combined with the variational method to solve the ground state quantum wave function for central potentials.As an example, the method is applied to discuss the ground state solution of Yukawa potential, using Hulthen solution as the trial function.展开更多
Based on an iterative method for solving the groundstate of Schrodinger equation, it is found that a kind of generalized Sombrero-shaped potentials in N-dimensional space has groundstates with zero eigenvalue. The res...Based on an iterative method for solving the groundstate of Schrodinger equation, it is found that a kind of generalized Sombrero-shaped potentials in N-dimensional space has groundstates with zero eigenvalue. The restrictions on the parameters in the potential are discussed.展开更多
It is proved that when solving SchrSdinger equations for radially symmetric potentials the effect of higher dimensions on the radial wave function is equivalent to the effect of higher angular momenta in lower-dimensi...It is proved that when solving SchrSdinger equations for radially symmetric potentials the effect of higher dimensions on the radial wave function is equivalent to the effect of higher angular momenta in lower-dimensional cases. This result is applied to giving solutions for several radially symmetric potentials in N dimensions.展开更多
A general cascade package is used to handle the J/φ and φ' production and absorption for different Et bins in S-U and Pb-Pb collisions.We study the combined effect of nuclear absorption and final state interacti...A general cascade package is used to handle the J/φ and φ' production and absorption for different Et bins in S-U and Pb-Pb collisions.We study the combined effect of nuclear absorption and final state interaction with co-movers on the J/φ and φ' suppression.The experimental data of J/φ production can be fitted for different Er-bins in S-U collisions and for lower Eτ-bins in Pb-Pb collisions.However,φ' data for high Eτ-bins in both S-U and Pb-Pb collisions can not be explained.展开更多
The thermal relaxation time for a chemically non-equilibrated gluon plasma is calculated using the non-equilibrium Debye mass as the infrared regulator.The dependence of the thermal relaxation time on the fugacity is ...The thermal relaxation time for a chemically non-equilibrated gluon plasma is calculated using the non-equilibrium Debye mass as the infrared regulator.The dependence of the thermal relaxation time on the fugacity is given.We find that there is a threshold fugacityλ_(g)^(*).Whenλ_(g)<λ_(g)^(*),τ^(NEQ)/τ^(EQ) decreases sharply with increasing fugacity,whileλ_(g)>λ_(g)^(*),the ratio is almost unchanged.展开更多
文摘The newly developed iterative method based on Green function defined by quadratures along a single trajectory is combined with the variational method to solve the ground state quantum wave function for central potentials.As an example, the method is applied to discuss the ground state solution of Yukawa potential, using Hulthen solution as the trial function.
文摘Based on an iterative method for solving the groundstate of Schrodinger equation, it is found that a kind of generalized Sombrero-shaped potentials in N-dimensional space has groundstates with zero eigenvalue. The restrictions on the parameters in the potential are discussed.
基金The project partly supported by National Natural Science Foundation of China under Grant No. 10247001.The author would like to thank Prof. T.D. Lee for his continuous guidance and instruction.
文摘It is proved that when solving SchrSdinger equations for radially symmetric potentials the effect of higher dimensions on the radial wave function is equivalent to the effect of higher angular momenta in lower-dimensional cases. This result is applied to giving solutions for several radially symmetric potentials in N dimensions.
基金Supported in part by the National Natural Science Foundation of China under Grant No.19677102,and the Natural Science Foundation of Hebei Province.
文摘A general cascade package is used to handle the J/φ and φ' production and absorption for different Et bins in S-U and Pb-Pb collisions.We study the combined effect of nuclear absorption and final state interaction with co-movers on the J/φ and φ' suppression.The experimental data of J/φ production can be fitted for different Er-bins in S-U collisions and for lower Eτ-bins in Pb-Pb collisions.However,φ' data for high Eτ-bins in both S-U and Pb-Pb collisions can not be explained.
基金Supported in part by the National Natural Science Foundation of China under Grant No.19677102.
文摘The thermal relaxation time for a chemically non-equilibrated gluon plasma is calculated using the non-equilibrium Debye mass as the infrared regulator.The dependence of the thermal relaxation time on the fugacity is given.We find that there is a threshold fugacityλ_(g)^(*).Whenλ_(g)<λ_(g)^(*),τ^(NEQ)/τ^(EQ) decreases sharply with increasing fugacity,whileλ_(g)>λ_(g)^(*),the ratio is almost unchanged.
