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Title: Response to Comment on “Insulator-metal transition in dense fluid deuterium”

Journal Article · · Science
ORCiD logo [1]; ORCiD logo [1];  [2];  [3]; ORCiD logo [1]; ORCiD logo [4]; ORCiD logo [5];  [2]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1];  [1]; ORCiD logo [4]; ORCiD logo [6];  [7]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Alternative Energies and Atomic Energy Commission (CEA), Arpajon (France)
  3. Univ. of Edinburgh, Scotland (United Kingdom). School of Physics and Astronomy. Centre for Science at Extreme Conditions
  4. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. of Rochester, NY (United States). Dept. of Mechanical Engineering, Physics and Astronomy. Lab. for Laser Energetics
  5. Carnegie Inst. of Washington, Washington, DC (United States)
  6. Univ. of California, Berkeley, CA (United States). Dept. of Earth and Planetary Science. Dept. of Astronomy
  7. George Washington Univ., Washington, DC (United States). Inst. of Materials Science. Dept. of Civil and Environmental Engineering
+ Show Author Affiliations

In their comment, Desjarlais et al. claim that a small temperature drop occurs after isentropic compression of fluid deuterium through the first-order insulator-metal transition. We show here that their calculations do not correspond to the experimental thermodynamic path, and that thermodynamic integrations with parameters from first-principles calculations produce results in agreement with our original estimate of the temperature drop.

Research Organization:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
1513164
Report Number(s):
LLNL-JRNL--763495; 953328
Journal Information:
Science, Journal Name: Science Journal Issue: 6433 Vol. 363; ISSN 0036-8075
Publisher:
AAASCopyright Statement
Country of Publication:
United States
Language:
English

References (8)

Evidence for a first-order liquid-liquid transition in high-pressure hydrogen from ab initio simulations journal June 2010
Liquid–liquid phase transition in hydrogen by coupled electron–ion Monte Carlo simulations journal April 2016
First-order liquid-liquid phase transition in dense hydrogen journal November 2010
Phase Diagram of Hydrogen and a Hydrogen-Helium Mixture at Planetary Conditions by Quantum Monte Carlo Simulations journal January 2018
Direct observation of an abrupt insulator-to-metal transition in dense liquid deuterium journal June 2015
Insulator-metal transition in dense fluid deuterium journal August 2018
Phase diagram of hydrogen and a hydrogen-helium mixture at planetary conditions by Quantum Monte Carlo simulations text January 2017
Phase Diagram of Hydrogen and a Hydrogen-Helium Mixture at Planetary Conditions by Quantum Monte Carlo Simulations text January 2018

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36 MATERIALS SCIENCE