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qpms/CLIUTILS.md

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Overview of QPMS command line utilities

The utilities are located in the misc directory. Run the utility with -h argument to get more info.

Rectangular and square 2D lattices

These scripts deal with simple 2D rectangular lattices, finite or infinite, one scatterer per unit cell. \f$ D_{2h} \f$ or \f$ D_{4h} \f$ symmetric adapted bases are used where applicable.

Finite lattices

  • finiterectlat-modes.py: Search for resonances using Beyn's algorithm.
  • finiterectlat-scatter.py: Plane wave scattering.
  • finiterectlat-constant-driving.py: Rectangular array response to a driving where a subset of particles are excited by basis VSWFs with the same phase.

Infinite lattices

  • rectlat_simple_modes.py: Search for lattice modes using Beyn's algorithm.
  • infiniterectlat-k0realfreqsvd.py: Evaluate the lattice mode problem singular values at the Γ point for a real frequency interval. Useful as a starting point in lattice mode search before using Beyn's algorithm.
  • infiniterectlat-scatter.py: Plane wave scattering.

General 2D lattices

Infinite lattices

These can contain several scatterers per unit cell. Symmetry adapted bases currently not implemented.

  • lat2d_modes.py: Search for lattice modes using Beyn's algorithm.
  • lat2d_realfreqsvd.py: Evaluate the lattice mode problem singular values at the Γ point for a real frequency interval. Useful as a starting point in lattice mode search before using Beyn's algorithm.