Matter at Extreme Conditions: III

Presentations

• Progress in simple molecular mixtures under pressure

  ORAL · Invited

  March 21, 2025, 8:00 AM – March 21, 2025, 8:36 AM

  Publication: C. M. Zoller, M. Ahart, S. Duwal, R. C. Clay, C. T. Seagle, Y. J. Ryu, S. Tkachev, S. Chariton, V. Prakapenka and R. J. Hemley, "Accurate equation of state of H2:He binary mixtures up to 5.4 GPa," Physical Review B 108 (22), 224112 (2023).
  
  S. Duwal, R. C. Clay, M. D. Knudson, J. Boerner, K. Cochrane, J. Usher, D. Dolan, B. Farfan, C. de La Cruz, J. Banasek, C. T. Seagle, R. Hacking, S. Payne, C. Zoller, M. Ahart and R. J. Hemley, "Extreme compression of planetary gases: High-accuracy pressure-density measurements of hydrogen-helium mixtures above fourfold compression," Physical Review B 109 (10), 104102 (2024).

  Presenters

  • Charles M Zoller

    • University of Illinois at Chicago

  Authors

  • Charles M Zoller

    • University of Illinois at Chicago

  • Muhtar Ahart

    • University of Illinois Chicago

  • Sakun Duwal

    • Sandia National Laboratories

  • Raymond C Clay

    • Sandia National Laboratories

  • Stella Chariton

    • University of Chicago

  • Sergey N Tkachev

    • Independent

  • Vitali Prakapenka

    • University of Chicago
    • GeoSoilEnviroCARS, University of Chicago

  • Seagle, T Christopher

    • Sandia National Laboratories

  • Russell J Hemley

    • University of Illinois at Chicago
    • University of Illinois Chicago
    • Departments of Physics, Chemistry, and Earth and Environmental Sciences, University of Illinois Chicago, Chicago, IL 60607, USA
    • Departments of Physics, Chemistry, and Earth and Environmental Sciences, University of Illinois Chicago

  • Russell J Hemley

    • University of Illinois at Chicago
    • University of Illinois Chicago
    • Departments of Physics, Chemistry, and Earth and Environmental Sciences, University of Illinois Chicago, Chicago, IL 60607, USA
    • Departments of Physics, Chemistry, and Earth and Environmental Sciences, University of Illinois Chicago

  View abstract →

• Improving conductivity calculations with accurate electron-electron scattering rate predictions

  ORAL

  March 21, 2025, 8:36 AM – March 21, 2025, 8:48 AM

  Presenters

  • Brian Robinson

    • University of Illinois at Urbana-Champaign

  Authors

  • Brian Robinson

    • University of Illinois at Urbana-Champaign

  • Alina Kononov

    • Sandia National Laboratories

  • Lucas J Stanek

    • Sandia National Laboratories

  • Andrew D Baczewski

    • Sandia National Laboratories

  • Stephanie B Hansen

    • Sandia National Laboratories

  • Andre Schleife

    • University of Illinois at Urbana-Champaign

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• Comparing first-principles methods for computing electrical conductivity in warm dense matter

  ORAL

  March 21, 2025, 8:48 AM – March 21, 2025, 9:00 AM

  Publication: Stanek, Kononov, Hansen, et al., Phys. Plasmas 31, 052104 (2024)
  Kononov et al., in preparation

  Presenters

  • Alina Kononov

    • Sandia National Laboratories

  Authors

  • Alina Kononov

    • Sandia National Laboratories

  • Amanda Elizabeth Dumi

    • Sandia National Laboratories

  • Minh Nguyen

    • Sandia National Laboratories

  • Andrew D Baczewski

    • Sandia National Laboratories

  View abstract →

• Machine-learned interatomic potentials for water-methane mixtures under extreme thermodynamic conditions

  ORAL

  March 21, 2025, 9:00 AM – March 21, 2025, 9:12 AM

  Presenters

  • Arthur France-Lanord

    • CNRS

  Authors

  • Arthur France-Lanord

    • CNRS

  • Axel Dian

    • Sorbonne University

  • Thomas Thevenet

    • Sorbonne University
    • Sorbonne Universite

  • Flavio Siro Brigiano

    • Sorbonne University
    • Sorbonne Universite

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• Molecular dynamics computation of phase diagrams with superionic phases: the case of Fe and He⁴.

  ORAL

  March 21, 2025, 9:12 AM – March 21, 2025, 9:24 AM

  Presenters

  • Anatoly B Belonoshko

    • Nanjing University

  Authors

  • Anatoly B Belonoshko

    • Nanjing University

  • Oleg E Peil

    • Materials Center Leoben Forschung GmbH, Roseggerstrasse 12, A-8700 Leoben

  • Andrei V Ruban

    • Department of Materials Science and Engineering, Royal Institute of Technology (KTH), 10044 Stockholm, Sweden

  • Yu He

    • Key Laboratory of High-temperature and High-pressure Study of the Earth's Interior Institute of Geochemistry Chinese Academy of Sciences 99 Linchengxi Road Guiyang Guizhou 550

  • Serguei I Simak

    • Linkoping University

  • Grigory S Smirnov

    • HSE University, Moscow, Russia

  • Jie Fu

    • School of Physical Science and Technology Ningbo University

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• Title: Real space lattice dynamics and mechanical stability of iron at inner core conditions

  ORAL

  March 21, 2025, 9:24 AM – March 21, 2025, 9:36 AM

  Publication: preparing a manuscript for publication

  Presenters

  • Blaise Awola Ayirizia

    • University of Texas at El Paso

  Authors

  • Blaise Awola Ayirizia

    • University of Texas at El Paso

  • Jorge A Munoz

    • University of Texas at El Paso

  • Adrian De la Rocha Galán

    • University of Texas at El Paso

  • Valeria I Arteaga Muniz

    • Ohio State University
    • The Ohio State

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• Oral: Theoretical Model for the Thermodynamics of Iron at High Pressures near Melting

  ORAL

  March 21, 2025, 9:36 AM – March 21, 2025, 9:48 AM

  Publication: manuscript in preparation

  Presenters

  • Rann Shikler

    • The Hebrew University of Jerusalem

  Authors

  • Rann Shikler

    • The Hebrew University of Jerusalem

  • Yinon Ashkenazy

    • Racah Institute of Physics, Hebrew University of Jerusalem

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• Understanding the stability of superionic phases in Earth's inner core

  ORAL

  March 21, 2025, 9:48 AM – March 21, 2025, 10:00 AM

  Presenters

  • Yang Sun

    • Xiamen University

  Authors

  • Zepeng Wu

    • Xiamen University

  • Chen Gao

    • Xiamen University

  • Feng Zhang

    • Ames National Laboratory

  • Shunqing Wu

    • Xiamen University

  • Kai-Ming Ho

    • Iowa State University

  • Renata Maria M Wentzcovitch

    • Columbia University

  • Yang Sun

    • Xiamen University

  View abstract →

• Abstract Withdrawn

  ORAL · Withdrawn

  March 21, 2025, 10:00 AM – March 21, 2025, 10:12 AM

  View abstract →

• An ab initio study of silicon dioxide in the warm dense matter regime

  ORAL

  March 21, 2025, 10:12 AM – March 21, 2025, 10:24 AM

  Presenters

  • Francois Soubiran

    • CEA DAM lle-de-France

  Authors

  • Francois Soubiran

    • CEA DAM lle-de-France

  • Vanina Recoules

    • CEA DAM lle-de-France

  • Fabien Brieuc

    • CEA DAM Ile de France

  • Augustin Blanchet

    • CEA DAM Ile de France

  View abstract →

• Elastic softening in the tetragonal-cubic transition in davemaoite

  ORAL

  March 21, 2025, 10:24 AM – March 21, 2025, 10:36 AM

  Presenters

  • Tianqi Wan

    • Columbia University

  Authors

  • Tianqi Wan

    • Columbia University

  • Chenxing Luo

    • Columbia University

  • Zhen Zhang

    • Iowa State University

  • Yang Sun

    • Xiamen University

  • Renata Maria M Wentzcovitch

    • Columbia University

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• Machine learning potential for serpentines

  ORAL

  March 21, 2025, 10:36 AM – March 21, 2025, 10:48 AM

  Publication: https://arxiv.org/abs/2409.16402

  Presenters

  • Hongjin Wang

    • Columbia University

  Authors

  • Hongjin Wang

    • Columbia University

  • Chenxing Luo

    • Columbia University

  • Renata Maria M Wentzcovitch

    • Columbia University

  View abstract →