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Multi-Shock Compression of Dense Hydrogen--Helium Mixture Beyond 100GPa |
| ZHANG Ming-Jian1;LIU Fu-Sheng1;TIAN Chun-Ling2;SUN Yan-Yun1 |
| 1Laboratory of High Pressure Physics, Southwest Jiaotong University, Chengdu 610031
2Department of Physics, Southwest University, Chongqing 400715 |
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| Cite this article: |
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ZHANG Ming-Jian, LIU Fu-Sheng, TIAN Chun-Ling et al 2006 Chin. Phys. Lett. 23 2190-2193 |
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Abstract A cryogenic target system for preparing the dense gaseous samples is established on a two-stage light-gas gun and is applied to study the equation of state of hydrogen--helium mixture at higher pressures and at high temperatures by means of the multi-shock technique. The recorded optical radiation signal clearly indicates the beginning moments of the third-, fourth-, sixth-, eighth-, and tenth-shock processes, which are in good agreement with the predictions of the Mansoori--Canfield--Ross variational perturbation theory up to the observed ultimate state of 104GPa.
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| Keywords:
62.50.+p
51.30.+i
78.60.Kn
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Published: 01 August 2006
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