Velocity matrix transport - #332

Merged

ttadano merged 11 commits into

velocity-matrix-transport

Sep 13, 2026

Commits on Sep 12, 2026

anphon: basis-invariant group velocities for thermal conductivity

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d343ca0
Minor reformat
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2eee356
anphon: clarify that transport blocks are detected from frequencies only

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cd0654d
anphon: allow restarting an older kappa.h5 under the new velocity formulation

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c50bbe7
docs: describe the velocity-matrix transport formulation

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7b7e096
docs: distinct symbol for the sublattice-phase dynamical matrix

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4c6388c
docs: define the multiplet projector used in the Peierls block trace

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3f22c38
docs: state that the Peierls/coherent assignment of degenerate pairs is a convention

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b52063f
docs: correct the degenerate limit of the coherent Lorentzian factor

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1c8fee7
anphon, analyzer: store the degenerate-block velocity diad and use it for cumulative kappa

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43363f3

Commits on Sep 13, 2026

Simplified the long comments
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80934e5