# @kalika/phonons-dfpt

Density-functional perturbation theory (DFPT) phonons: Sternheimer linear
response, force-constant interpolation, and Quantum ESPRESSO ph.x/matdyn.x
orchestration for Kalika.

## At a glance

- **Path:** `libs/kalika/phonons-dfpt`
- **Domain:** kalika (active)
- **Owner:** @GreyChimp
- **Docs:** [deep-dive](/docs/domains/kalika/deep-dive) ·
  [systems one-pager](/docs/systems/lib-kalika.md)
- **Nx project:** `@kalika/phonons-dfpt`

## Commands

```bash
pnpm nx test @kalika/phonons-dfpt
pnpm nx lint @kalika/phonons-dfpt
```

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