In this paper, the hyperspherical harmonics used for solving the three and four body problems in nuclear physics are given. The equations of the adiabatic approximation to hyperspherical harmonic method are derived. S...In this paper, the hyperspherical harmonics used for solving the three and four body problems in nuclear physics are given. The equations of the adiabatic approximation to hyperspherical harmonic method are derived. Some properties of the hypernuclous Heare given as the illustrative example of the application of this method.展开更多
For the first time,we design and synthesise a novel structure of hollow carbon nanosheets with MgAllayered double hydroxide(MgAl-LDH)as the template and poly-dopamine(PDA)as the carbon source via a facile method.To re...For the first time,we design and synthesise a novel structure of hollow carbon nanosheets with MgAllayered double hydroxide(MgAl-LDH)as the template and poly-dopamine(PDA)as the carbon source via a facile method.To reveal the significance of hollow carbon nanosheets,buffering large strains during the lithium de-intercalation cycle and prolonging the cycle life,SnO_(2)@C nanocomposites as anode materials for lithium-ion batteries(LIBs)are prepared.As a result,the structure of hollow carbon nanosheets contributes to the improvement of the capacity and stability of the SnO_(2) anode material.The capacity of hollow SnO_(2)@carbon nanosheets remains 693 mA h g^(−1) after 450 cycles with the current density of 0.5 A g^(−1) far better than that of pristine SnO_(2)展开更多
文摘In this paper, the hyperspherical harmonics used for solving the three and four body problems in nuclear physics are given. The equations of the adiabatic approximation to hyperspherical harmonic method are derived. Some properties of the hypernuclous Heare given as the illustrative example of the application of this method.
基金supported partially by the National Natural Science Foundation of China(no.51273158 and 21303131)the Fundamental Research Funds for the Central Universities(xjj2015119).
文摘For the first time,we design and synthesise a novel structure of hollow carbon nanosheets with MgAllayered double hydroxide(MgAl-LDH)as the template and poly-dopamine(PDA)as the carbon source via a facile method.To reveal the significance of hollow carbon nanosheets,buffering large strains during the lithium de-intercalation cycle and prolonging the cycle life,SnO_(2)@C nanocomposites as anode materials for lithium-ion batteries(LIBs)are prepared.As a result,the structure of hollow carbon nanosheets contributes to the improvement of the capacity and stability of the SnO_(2) anode material.The capacity of hollow SnO_(2)@carbon nanosheets remains 693 mA h g^(−1) after 450 cycles with the current density of 0.5 A g^(−1) far better than that of pristine SnO_(2)