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Title: Insulator-metal transition in dense fluid deuterium

Abstract

Dense fluid metallic hydrogen occupies the interiors of Jupiter, Saturn, and many extrasolar planets, where pressures reach millions of atmospheres. Planetary structure models must describe accurately the transition from the outer molecular envelopes to the interior metallic regions. In this work, we report optical measurements of dynamically compressed fluid deuterium to 600 gigapascals (GPa) that reveal an increasing refractive index, the onset of absorption of visible light near 150 GPa, and a transition to metal-like reflectivity (exceeding 30%) near 200 GPa, all at temperatures below 2000 kelvin. Our measurements and analysis address existing discrepancies between static and dynamic experiments for the insulator-metal transition in dense fluid hydrogen isotopes. They also provide new benchmarks for the theoretical calculations used to construct planetary models.

Authors:
ORCiD logo; ORCiD logo; ; ; ORCiD logo; ORCiD logo; ORCiD logo; ; ORCiD logo; ORCiD logo; ; ; ORCiD logo; ORCiD logo;
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); New York State Energy Research and Development Authority (NYSERDA); Engineering and Physical Sciences Research Council (EPSRC); US Army Research Office (ARO); National Natural Science Foundation of China (NNSFC); Chinese Academy of Science (CAS)
OSTI Identifier:
1465260
Alternate Identifier(s):
OSTI ID: 1467814
Report Number(s):
[LLNL-JRNL-744575]
[Journal ID: ISSN 0036-8075; /sci/361/6403/677.atom]
Grant/Contract Number:  
[AC52-07NA27344; NA0001944; Ep/P024513/1; 56122-CH-H; 21473211; YZ201524; NA0003607; NA0002006]
Resource Type:
Published Article
Journal Name:
Science
Additional Journal Information:
[Journal Name: Science Journal Volume: 361 Journal Issue: 6403]; Journal ID: ISSN 0036-8075
Publisher:
AAAS
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; 36 MATERIALS SCIENCE

Citation Formats

Celliers, Peter M., Millot, Marius, Brygoo, Stephanie, McWilliams, R. Stewart, Fratanduono, Dayne E., Rygg, J. Ryan, Goncharov, Alexander F., Loubeyre, Paul, Eggert, Jon H., Peterson, J. Luc, Meezan, Nathan B., Le Pape, Sebastien, Collins, Gilbert W., Jeanloz, Raymond, and Hemley, Russell J. Insulator-metal transition in dense fluid deuterium. United States: N. p., 2018. Web. doi:10.1126/science.aat0970.
Celliers, Peter M., Millot, Marius, Brygoo, Stephanie, McWilliams, R. Stewart, Fratanduono, Dayne E., Rygg, J. Ryan, Goncharov, Alexander F., Loubeyre, Paul, Eggert, Jon H., Peterson, J. Luc, Meezan, Nathan B., Le Pape, Sebastien, Collins, Gilbert W., Jeanloz, Raymond, & Hemley, Russell J. Insulator-metal transition in dense fluid deuterium. United States. doi:10.1126/science.aat0970.
Celliers, Peter M., Millot, Marius, Brygoo, Stephanie, McWilliams, R. Stewart, Fratanduono, Dayne E., Rygg, J. Ryan, Goncharov, Alexander F., Loubeyre, Paul, Eggert, Jon H., Peterson, J. Luc, Meezan, Nathan B., Le Pape, Sebastien, Collins, Gilbert W., Jeanloz, Raymond, and Hemley, Russell J. Fri . "Insulator-metal transition in dense fluid deuterium". United States. doi:10.1126/science.aat0970.
@article{osti_1465260,
title = {Insulator-metal transition in dense fluid deuterium},
author = {Celliers, Peter M. and Millot, Marius and Brygoo, Stephanie and McWilliams, R. Stewart and Fratanduono, Dayne E. and Rygg, J. Ryan and Goncharov, Alexander F. and Loubeyre, Paul and Eggert, Jon H. and Peterson, J. Luc and Meezan, Nathan B. and Le Pape, Sebastien and Collins, Gilbert W. and Jeanloz, Raymond and Hemley, Russell J.},
abstractNote = {Dense fluid metallic hydrogen occupies the interiors of Jupiter, Saturn, and many extrasolar planets, where pressures reach millions of atmospheres. Planetary structure models must describe accurately the transition from the outer molecular envelopes to the interior metallic regions. In this work, we report optical measurements of dynamically compressed fluid deuterium to 600 gigapascals (GPa) that reveal an increasing refractive index, the onset of absorption of visible light near 150 GPa, and a transition to metal-like reflectivity (exceeding 30%) near 200 GPa, all at temperatures below 2000 kelvin. Our measurements and analysis address existing discrepancies between static and dynamic experiments for the insulator-metal transition in dense fluid hydrogen isotopes. They also provide new benchmarks for the theoretical calculations used to construct planetary models.},
doi = {10.1126/science.aat0970},
journal = {Science},
number = [6403],
volume = [361],
place = {United States},
year = {2018},
month = {8}
}

Journal Article:
Free Publicly Available Full Text
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DOI: 10.1126/science.aat0970

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Cited by: 12 works
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