Godwal, B. K. ; Sikka, S. K. ; Chidambaram, R. (1979) Electronic Grüneisen parameter in the shock Hugoniot equation of state of aluminum Physical Review B: Condensed Matter and Materials Physics, 20 (6). pp. 2362-2365. ISSN 1098-0121
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Official URL: http://prb.aps.org/abstract/PRB/v20/i6/p2362_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.20.2362
Abstract
The shock Hugoniot equation of state for aluminum has been computed, using the pseudopotential method. The nuclear Grü neisen parameters, used in evaluating the ionic vibration contributions, have been derived from phonon frequencies. The computed electronic Grü neisen-parameter values depart considerably from the value 0.5, used often in analyzing shock-compression experiments. This leads to different Hugoniot temperatures compared with those derived by Al'tshuler et al., although the P-V curve is in good agreement with their experimental results.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 86273 |
| Deposited On: | 08 Mar 2012 11:25 |
| Last Modified: | 12 Jul 2012 07:01 |
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