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Excited Electron Dynamics Modeling of Warm Dense Matter

Su, Julius T. and Goddard, William A., III (2007) Excited Electron Dynamics Modeling of Warm Dense Matter. Physical Review Letters, 99 (18). Art. No. 185003. ISSN 0031-9007. doi:10.1103/PhysRevLett.99.185003.

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We present a model (the electron force field, or eFF) based on a simplified solution to the time-dependent Schrödinger equation that with a single approximate potential between nuclei and electrons correctly describes many phases relevant for warm dense hydrogen. Over a temperature range of 0 to 100 000 K and densities up to 1 g/cm^3, we find excellent agreement with experimental, path integral Monte Carlo, and linear mixing equations of state, as well as single-shock Hugoniot curves from shock compression experiments. In principle eFF should be applicable to other warm dense systems as well.

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Goddard, William A., III0000-0003-0097-5716
Additional Information:© 2007 The American Physical Society. (Received 1 August 2007; published 1 November 2007) We thank Professor William J. Nellis for useful comments. This work was supported by the U.S. DOE (ASC) and DARPA-ONR (PROM).
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Department of Energy (DOE)UNSPECIFIED
Defense Advanced Research Projects Agency (DARPA)UNSPECIFIED
Office of Naval Research (ONR)UNSPECIFIED
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Issue or Number:18
Record Number:CaltechAUTHORS:SUJprl07
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:9145
Deposited By: Archive Administrator
Deposited On:04 Nov 2007
Last Modified:08 Nov 2021 20:56

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