quantax.model.GeneralPf#

class quantax.model.GeneralPf#

General Pfaffian wavefunction \(\psi(n) = \mathrm{pf}(n \star F \star n)\).

__init__(F: Array | None = None, sublattice: Translation | tuple[int, ...] | None = None, dtype: str | type[Any] | dtype | SupportsDType | None = None, out_dtype: str | type[Any] | dtype | SupportsDType | None = None)#

Initialize the GeneralPf model.

Parameters:

  • F – The antisymmetric matrix. If None, it will be initialized as paired Fermi sea orbitals.

  • sublattice – The sublattice structure (not yet implemented).

  • dtype – The data type for orbital parameters.

  • out_dtype – The data type for computations and outputs. When dtype is real and out_dtype is complex, F stores the real and imaginary parts using real numbers.

property F_full: Array#

Returns the full antisymmetric matrix F.

init_internal(s: Array) → tuple[LogArray, MF_Internal]#

Return wavefunction and internal values for given input configurations. See RefModel for details.

property required_update_modes: tuple[str, ...]#

The required update modes for accelerated ref_forward pass.

ref_forward(s: Array, s_old: Array, update_mode: dict[str, Any], internal: MF_Internal, return_update: Literal[False] = False) → LogArray#
ref_forward(s: Array, s_old: Array, update_mode: dict[str, Any], internal: MF_Internal, return_update: Literal[True]) → tuple[LogArray, MF_Internal]

Accelerated forward pass through local updates and internal quantities. See RefModel for details.

property use_ref: bool#

Whether to use reference implementation for local updates. Default to True.