npsm 새물리 New Physics : Sae Mulli

pISSN 0374-4914 eISSN 2289-0041


Research Paper

New Phys.: Sae Mulli 2019; 69: 622-624

Published online June 28, 2019

Copyright © New Physics: Sae Mulli.

Stability and Oscillation of Nucleus in QMD Simulation

SungMin CHO1, Kang Seog LEE2*

1Department of Physics, GIST, Gwangju 61005, Korea

2Department of Physics, Chonnam National University, Gwangju 61186, Korea


Received: April 15, 2019; Revised: May 2, 2019; Accepted: May 3, 2019

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.


In simulations of nuclear collisions using quantum molecular dynamics, a stable nucleus, which usually becomes unstable by emitting at least one nucleon in a few hundred fm/c, is needed. In this research, using a frictional cooling method, we obtain very stable nuclei with lifetimes up to 5000 fm/c. However, those nuclei are neither static nor in the ground; rather they show an oscillatory behavior. The frequencies of oscillation are studied and compared with the frequency of the giant monopole oscillation.

Keywords: Transport model, Quantum molecular dynamics, Nuclear physics

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