Validation of the activity expansion method with ultrahigh pressure shock equations of state
Laser shock experiments have recently been used to measure the equation of state (EOS) of matter in the ultrahigh pressure region between condensed matter and a weakly coupled plasma. Some ultrahigh pressure data from nuclear-generated shocks are also available. Matter at these conditions has proven...
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| Veröffentlicht in: | Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 1997-11, Vol.56 (5), p.5876-5883 |
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| container_title | Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics |
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| creator | Rogers, Forrest J. Young, David A. |
| description | Laser shock experiments have recently been used to measure the equation of state (EOS) of matter in the ultrahigh pressure region between condensed matter and a weakly coupled plasma. Some ultrahigh pressure data from nuclear-generated shocks are also available. Matter at these conditions has proven very difficult to treat theoretically. The many-body activity expansion method (ACTEX) has been used for some time to calculate EOS and opacity data in this region, for use in modeling inertial confinement fusion and stellar interior plasmas. In the present work, we carry out a detailed comparison with the available experimental data in order to validate the method. The agreement is good, showing that ACTEX adequately describes strongly shocked matter. {copyright} {ital 1997} {ital The American Physical Society} |
| doi_str_mv | 10.1103/PhysRevE.56.5876 |
| format | Article |
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E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics</jtitle><date>1997-11-01</date><risdate>1997</risdate><volume>56</volume><issue>5</issue><spage>5876</spage><epage>5883</epage><pages>5876-5883</pages><issn>1063-651X</issn><eissn>1095-3787</eissn><abstract>Laser shock experiments have recently been used to measure the equation of state (EOS) of matter in the ultrahigh pressure region between condensed matter and a weakly coupled plasma. Some ultrahigh pressure data from nuclear-generated shocks are also available. Matter at these conditions has proven very difficult to treat theoretically. The many-body activity expansion method (ACTEX) has been used for some time to calculate EOS and opacity data in this region, for use in modeling inertial confinement fusion and stellar interior plasmas. In the present work, we carry out a detailed comparison with the available experimental data in order to validate the method. The agreement is good, showing that ACTEX adequately describes strongly shocked matter. {copyright} {ital 1997} {ital The American Physical Society}</abstract><cop>United States</cop><doi>10.1103/PhysRevE.56.5876</doi><tpages>8</tpages></addata></record> |
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| ispartof | Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 1997-11, Vol.56 (5), p.5876-5883 |
| issn | 1063-651X 1095-3787 |
| language | eng |
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| source | American Physical Society Journals |
| subjects | 70 PLASMA PHYSICS AND FUSION EQUATIONS OF STATE EXPANSION HIGH PRESSURE INERTIAL CONFINEMENT MATTER PHYSICS PLASMA SHOCK WAVES THERMODYNAMIC ACTIVITY |
| title | Validation of the activity expansion method with ultrahigh pressure shock equations of state |
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