Methane Shock Compressed to 400 GPa

Bulletin of the American Physical Society

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63rd Annual Meeting of the APS Division of Plasma Physics

Volume 66, Number 13

Monday–Friday, November 8–12, 2021; Pittsburgh, PA

Session BO05: HED: Warm and Hot Dense Matter

9:30 AM–12:18 PM, Monday, November 8, 2021
Room: Rooms 306-307

Chair: Adam Sefkow, Rochester University

Abstract: BO05.00009 : Methane Shock Compressed to 400 GPa

11:06 AM–11:18 AM

Abstract

Presenter:

Grigoriy Tabak
(Laboratory for Laser Energetics, U. of Rochester)

Authors:

Grigoriy Tabak
(Laboratory for Laser Energetics, U. of Rochester)

Thomas R Boehly
(Laboratory for Laser Energetics, U. of Rochester)

Gerrit Bruhaug
(Laboratory for Laser Energetics, U. of Rochester)

Gilbert Collins
(Laboratory for Laser Energetics, U. of Rochester)

Linda E Hansen
(Laboratory for Laser Energetics, U. of Rochester)

Brian Henderson
(Laboratory for Laser Energetics, U. of Rochester)

Margaret F Huff
(Laboratory for Laser Energetics, U. of Rochester)

Heather M Pantell
(Laboratory for Laser Energetics, U. of Rochester)

J. Ryan Rygg
(Laboratory for Laser Energetics, U. of Rochester)

Mohamed Zaghoo
(Laboratory for Laser Energetics, U. of Rochester)

Nathan M Dasenbrock-Gammon
(University of Rochester)

Ranga P Dias
(University of Rochester)

Marius Millot
(Lawrence Livermore Natl Lab)

Suzanne J Ali
(Lawrence Livermore Natl Lab)

Peter M Celliers
(Lawrence Livermore Natl Lab)

Jon H Eggert
(Lawrence Livermore Natl Lab)

Dayne E Fratanduono
(Lawrence Livermore Natl Lab)

Sebastien Hamel
(Lawrence Livermore Natl Lab)

Amy E Lazicki
(Lawrence Livermore Natl Lab)

Damian C Swift
(Lawrence Livermore Natl Lab)

Stephanie Brygoo
(CEA de Bruyeres-le-Chatel)

Paul Loubeyre
(CEA de Bruyeres-le-Chatel)

Ryosuke Kodama
(Osaka U.)

Kohei Miyanishi
(Osaka U.)

Tetsuo Ogawa
(Osaka U.)

Norimasa Ozaki
(Osaka U.)

Takayoshi Sano
(Osaka U.)

Raymond Jeanloz
(University of California, Berkeley)

Damien G Hicks
(Swinburne Univ of Tech)

Methane plays an important role in planetary physics and is a major constituent of giant planet atmospheres. Methane is predicted to have an intricate phase diagram at high pressures, including the conditions inside planet interiors. [1-3] We present shock-compression data to 400 GPa for methane. The methane samples were precompressed in a diamond-anvil cell to a range of liquid and solid densities to access a broad range of extreme conditions. This material is based upon work supported by the Department of Energy National Nuclear Security Administration under Award Number DE-NA0003856.

[1] M. Ross, Nature 292, 435 (1981).

[2] M. Ross and F. Rogers, Phys. Rev. B 74, 024103 (2006).

[3] G. Gao et al., J. Chem. Phys. 133, 144508 (2010).

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Bulletin of the American Physical Society

63rd Annual Meeting of the APS Division of Plasma Physics

Volume 66, Number 13

Monday–Friday, November 8–12, 2021; Pittsburgh, PA

Session BO05: HED: Warm and Hot Dense Matter

Abstract: BO05.00009 : Methane Shock Compressed to 400 GPa

Presenter:

Authors:

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