Studies of Relative Rotations for Sodium Cluster Collisions

ZENG Xiang-Hua; XU Xiu-Lian; YAO Xiao-Jing; BI Qiao

Chinese Physics C> 2003, Vol. 27> Issue(3) : 245-248

Studies of Relative Rotations for Sodium Cluster Collisions

College of Physics Science and Technology and Complexity Science Center, Yangzhou University, Yangzhou 225002, China

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Abstract：
Using distance dependent tight-binding molecular dynamics model (DDTB MD), the relative rotation processes in the sodium cluster collisions have been studied at the different incident energies and different impact parameters. It shows that for a given energy, there is a critical impact parameter. Under this impact parameter, the rotational energy increases rapidly with the increasing of the impact parameter, while above this parameter, the rotational energy decreases when increasing impact parameters. At lower energy, the relaxation time of the relative rotation is longer than that at higher energies.

References

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ZENG Xiang-Hua, XU Xiu-Lian, YAO Xiao-Jing and BI Qiao. Studies of Relative Rotations for Sodium Cluster Collisions[J]. Chinese Physics C, 2003, 27(3): 245-248.

ZENG Xiang-Hua, XU Xiu-Lian, YAO Xiao-Jing and BI Qiao. Studies of Relative Rotations for Sodium Cluster Collisions[J]. Chinese Physics C, 2003, 27(3): 245-248. shu

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Received: 2002-04-10
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Studies of Relative Rotations for Sodium Cluster Collisions

Corresponding author: ZENG Xiang-Hua,

College of Physics Science and Technology and Complexity Science Center, Yangzhou University, Yangzhou 225002, China

Received Date: 2002-04-10
Accepted Date: 1900-01-01
Available Online: 2003-03-05

Abstract: Using distance dependent tight-binding molecular dynamics model (DDTB MD), the relative rotation processes in the sodium cluster collisions have been studied at the different incident energies and different impact parameters. It shows that for a given energy, there is a critical impact parameter. Under this impact parameter, the rotational energy increases rapidly with the increasing of the impact parameter, while above this parameter, the rotational energy decreases when increasing impact parameters. At lower energy, the relaxation time of the relative rotation is longer than that at higher energies.