Featured
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Callaway Two-Relaxation-Time Model
A theoretical derivation of the Callaway model, separating Normal and Resistive scattering processes to calculate thermal conductivity.
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A Unified Theoretical Framework for Phonon Heat Conduction (WTE)
An overview of the Wigner Transport Equation (WTE) as a unified framework for phonon heat transport, bridging the gap between the particle-like Peierls-Boltzmann (BTE) model for crystals and the wave-like Allen-Feldman (AF) theory for glasses.
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Thermal Conductivity Calculation using VASP + Phono3py
A step-by-step guide to calculating lattice thermal conductivity using VASP and Phono3py, covering supercell generation, force calculations, and BTE solutions.
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Landauer Theory for Electrons and Phonons
A detailed exploration of Landauer theory in nanoscale thermal transport, comparing electron and phonon transport mechanisms, mode counting, and spectral conductance.
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First-Principles-Based PBTE Method
An introduction to the First-Principles Phonon Boltzmann Transport Equation (PBTE) method, covering DFT, lattice dynamics, and thermal conductivity calculations.