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Advanced Phonon Physics

Cutting-edge topics in phonon physics including first-principles calculations, anharmonic effects, thermal transport simulations, topological phonons, and phonon engineering. This series prepares students for research at the frontier of phonon science.

Advanced Level 5 Chapters Approximately 20 hours

Series Overview

This advanced series covers research-level topics in phonon physics, from computational methods used in modern materials discovery to emerging areas like topological phononics. The focus is on connecting theoretical understanding with practical computational tools and current research directions.

What You'll Learn

  • First-principles phonon calculations using DFPT and related methods
  • Treatment of anharmonicity and finite-temperature phonon physics
  • Solving the Boltzmann transport equation for thermal conductivity
  • Topological concepts in phonon band structures
  • Phonon engineering strategies for materials design

Prerequisites

  • Completion of Intermediate Phonon Physics series
  • Strong background in quantum mechanics and statistical mechanics
  • Familiarity with density functional theory (DFT)
  • Programming experience (Python, basic Fortran/C helpful)
  • Understanding of group theory basics

Chapters

Chapter 1

First-Principles Phonon Calculations

Comprehensive treatment of ab initio phonon calculations including density functional perturbation theory (DFPT), frozen phonon method, and modern software tools.

DFPT Frozen Phonon Phonopy Quantum ESPRESSO
Chapter 2

Anharmonic Phonons and Phase Transitions

Beyond the harmonic approximation: self-consistent phonon theory, soft modes, structural phase transitions, and finite-temperature phonon properties.

SCPH Theory Soft Modes Phase Transitions Finite Temperature
Chapter 3

Thermal Transport Calculations

Modern computational approaches to thermal conductivity including iterative BTE solvers, ShengBTE, and machine learning methods for thermal property prediction.

BTE Solvers ShengBTE Four-Phonon ML Methods
Chapter 4

Topological Phonons

Topological concepts in phonon band structures including Weyl phonons, phononic edge states, and phonon topology in 2D materials and metamaterials.

Berry Phase Weyl Phonons Edge States 2D Materials
Chapter 5

Phonon Engineering

Strategies for engineering phonon properties including thermoelectric materials, thermal management, phononic crystals, and emerging applications.

Thermoelectrics Thermal Management Phononic Crystals Nanoscale Heat

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Disclaimer

This educational content was generated with AI assistance for the Hashimoto Lab knowledge base. While efforts have been made to ensure accuracy, readers should verify critical information with primary sources and peer-reviewed literature.