Microscopic Studies of Giant Resonance in Hot Nuclei——Damping of Giant Resonance and Thermodynamic Properties of Hot Nuclei

WANG ShunJin; LUO HongGang

Chinese Physics C> 2000, Vol. 24> Issue(10) : 955-961

Microscopic Studies of Giant Resonance in Hot Nuclei——Damping of Giant Resonance and Thermodynamic Properties of Hot Nuclei

WANG ShunJin ^, ,
LUO HongGang

Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000 China2 Department of Modern Physics, Lanzhou University, Lanzhou 730000 China3 Institut fuer Theoretische Physik, University Giessen, 35392 Giessen, Germany

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Abstract：
Damping of giant resonance in hot nuclei is investigated using time dependent twobody correlation density matrix theory (TDDM) at several finite thermal excitation energies corresponding to temperatures T =0—6MeV. The results are obtained by solving numerically the set of coupled equations of motion for the one body density matrix ρ (11′;t) and the twobody correlation function C₂(12,1′2′;t), and compared with the results from different microscopic theoretical approaches. The thermodynamic properties of hot nuclei are also presented. It is shown that the TDDM can describe well the damping of giant resonance and the thermodynamic properties of hot nuclei.

References

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WANG ShunJin and LUO HongGang. Microscopic Studies of Giant Resonance in Hot Nuclei——Damping of Giant Resonance and Thermodynamic Properties of Hot Nuclei[J]. Chinese Physics C, 2000, 24(10): 955-961.

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Received: 1999-09-16
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

Microscopic Studies of Giant Resonance in Hot Nuclei——Damping of Giant Resonance and Thermodynamic Properties of Hot Nuclei

WANG ShunJin ^,
LUO HongGang

Corresponding author: WANG ShunJin,

Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000 China2 Department of Modern Physics, Lanzhou University, Lanzhou 730000 China3 Institut fuer Theoretische Physik, University Giessen, 35392 Giessen, Germany

Received Date: 1999-09-16
Accepted Date: 1900-01-01
Available Online: 2000-10-05

Abstract: Damping of giant resonance in hot nuclei is investigated using time dependent twobody correlation density matrix theory (TDDM) at several finite thermal excitation energies corresponding to temperatures T =0—6MeV. The results are obtained by solving numerically the set of coupled equations of motion for the one body density matrix ρ (11′;t) and the twobody correlation function C₂(12,1′2′;t), and compared with the results from different microscopic theoretical approaches. The thermodynamic properties of hot nuclei are also presented. It is shown that the TDDM can describe well the damping of giant resonance and the thermodynamic properties of hot nuclei.