Phonon-phonon

Presentations

• Lifetime of phonons and spectral signature from scattering with doping centers

  Invited-In-person · Invited

  March 18, 2026, 3:30 PM – March 18, 2026, 4:06 PM

  Publication: Alessandro Ciavatta, Raja Sen, Lorenzo Paulatto. Theory. In preparation
  Raja Sen, et. al. - Thermal Transport of high-doping Si+B and Si+P samples. In preparation

  Presenters

  • Lorenzo Paulatto

    • Centre national de la recherche scientifique (CNRS)

  Authors

  • Lorenzo Paulatto

    • Centre national de la recherche scientifique (CNRS)

  • Raja Sen

  • Alessandro Ciavatta

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• Thermoelectric hydrodynamics of electron-phonon fluids: miscibility, drag, and vorticity

  Invited-In-person · Invited

  March 18, 2026, 4:06 PM – March 18, 2026, 4:42 PM

  Publication: Simoncelli, Marzari, Cepellotti, PRX 10, 011019 2020; Dragašević, Rajkov, Simoncelli, arXiv:2303.12777; Coulter, Rajkov, Simoncelli, arXiv:2503.07560

  Presenters

  • Michele Simoncelli

    • Columbia University in the City of New York

  Authors

  • Michele Simoncelli

    • Columbia University in the City of New York

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• Phonon collisional broadening and heat transport beyond the Boltzmann equation

  Oral-In-person

  March 18, 2026, 4:42 PM – March 18, 2026, 4:54 PM

  Presenters

  • Enrico Di Lucente

    • Columbia Univeristy

  Authors

  • Enrico Di Lucente

    • Columbia Univeristy

  • Nicola Marzari

    • Ecole Polytechnique Federale de Lausanne

  • Michele Simoncelli

    • Columbia University in the City of New York

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• Group-theoretical analysis of crystal and phonon structures of pseudocubic, tetragonal, and orthorhombic methylammonium lead iodide

  Oral-In-person

  March 18, 2026, 4:54 PM – March 18, 2026, 5:06 PM

  Presenters

  • Seungbin Han

    • Columbia University

  Authors

  • Seungbin Han

    • Columbia University

  • Chris Marianetti

    • Columbia University

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• Benchmarking ab initio calculation of thermoelectric coefficients

  Oral-In-person

  March 18, 2026, 5:06 PM – March 18, 2026, 5:18 PM

  Presenters

  • Sungyeb Jung

    • University of Texas at Austin

  Authors

  • Sungyeb Jung

    • University of Texas at Austin

  • Feliciano Giustino

    • The University of Texas at Austin

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• Phonon Olympics: Phonon property and lattice thermal conductivity benchmarking from open-source packages

  Oral-In-person

  March 18, 2026, 5:18 PM – March 18, 2026, 5:30 PM

  Publication: A. J. H. McGaughey, L. Lindsay, H. Bao, T. Hamakawa, R. Juneja, S. Li, W. Li, R. Masuki, F. Meng, H. Meng, T. Pandey, C. Shao, J. Shiomi, T. Tadano, A. Togo, A. Wang, and X. Zhang, Journal of Applied Physics 138, 135108 (2025).

  Presenters

  • Lucas Lindsay

    • Oak Ridge National Laboratory

  Authors

  • Lucas Lindsay

    • Oak Ridge National Laboratory

  • Alan McGaughey

    • Carnegie Mellon University

  • Hua Bao

  • Tomu Hamakawa

  • Rinkle Juneja

    • Oak Ridge National Laboratory

  • Shouhang Li

  • Wu Li

    • Shenzhen Univ

  • Ryota Masuki

    • Univ of Tokyo

  • Fanchen Meng

    • Brookhaven National Laboratory (BNL)

  • Han Meng

  • Tribhuwan Pandey

    • University of Antwerp

  • Cheng Shao

    • Univ of Tokyo

  • Junichiro Shiomi

    • Univ of Tokyo

  • Terumasa Tadano

    • National Institute for Materials Science

  • Atsushi Togo

    • Kyoto Univ

  • Ao Wang

  • Xinyu Zhang

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• Unified Theory of Heat Flow in Semiconductors Beyond Textbook Fourier's Law

  Oral-In-person · Withdrawn

  March 18, 2026, 5:30 PM – March 18, 2026, 5:42 PM

  Presenters

  • Navaneetha Krishnan Ravichandran

    • Indian Institute of Science Bangalore

  Authors

  • Navaneetha Krishnan Ravichandran

    • Indian Institute of Science Bangalore

  • Nikhil Malviya

    • Indian Institute of Science Bangalore

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• Spectral Displacement Analysis: Mode Reconstruction and Inelastic Scattering Prediction from Molecular Dynamics

  Oral-In-person

  March 18, 2026, 5:42 PM – March 18, 2026, 5:54 PM

  Presenters

  • Harrison Walker

    • Vanderbilt University

  Authors

  • Harrison Walker

    • Vanderbilt University

  • Thomas Pfeifer

  • Jordan Hachtel

    • Oak Ridge National Laboratory

  • Eric Hoglund

  • Sokrates Pantelides

    • Vanderbilt University

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• Lattice Thermal Transport Beyond the Quasiparticle Approximation: Nontrivial Spectral Competition between Three- and Four-Phonon Interactions

  Oral-In-person

  March 18, 2026, 5:54 PM – March 18, 2026, 6:06 PM

  Presenters

  • Yi Xia

    • Portland State University

  Authors

  • Yi Xia

    • Portland State University

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• Anisotropic Phonons Reveal Hidden One-Dimensional Order in Ice Ih

  Oral-In-person

  March 18, 2026, 6:06 PM – March 18, 2026, 6:18 PM

  Publication: Ownby, I.C., et al. "Spontaneous Partial Order Driven by Intermolecular Interactions - Structure and Dynamics of Ice", arXiv:2503.13897 (2025). DOI: 10.48550/arXiv.2503.13897

  Presenters

  • Isaac Ownby

    • University of Tennessee

  Authors

  • Isaac Ownby

    • University of Tennessee

  • Alan Tennant

    • University of Tennessee

  • Tianran Chen

    • University of Tennessee

  • Jonathan Morris

  • Anjana Samarakoon

  • Arnab Banerjee

    • Purdue University and Quantum Science Center

  • Feng Ye

    • Oak Ridge National Laboratory

  • Douglas Abernathy

    • Oak Ridge National Laboratory

  • Zachary Morgan

    • Oak Ridge National Laboratory

  • Joseph Lanier

  • Konrad Siemensmeyer

  • Bastian Klemke

    • Helmholtz Zentrum Berlin

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