SpECTRE  v2026.04.01
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sgb::FirstOrderSystem Struct Reference

The scalar equation in sGB theories of gravity in the decoupled limit, assuming quasi-stationarity. See sgb for details on the explicit equation. More...

#include <FirstOrderSystem.hpp>

Public Types

using primal_fields = tmpl::list<field>
using primal_fluxes
using background_fields
using inv_metric_tag
using fluxes_computer = Fluxes
using sources_computer = Sources
using sources_computer_linearized = LinearizedSources
using boundary_conditions_base
using modify_boundary_data = void

Static Public Attributes

static constexpr size_t volume_dim = 3

Detailed Description

The scalar equation in sGB theories of gravity in the decoupled limit, assuming quasi-stationarity. See sgb for details on the explicit equation.

Member Typedef Documentation

◆ background_fields

using sgb::FirstOrderSystem::background_fields
Initial value:
tmpl::list<
Stores a collection of function values.
Definition DataVector.hpp:48
gr::Tags::Conformal< gr::Tags::InverseSpatialMetric< DataType, Dim, Frame >, 4 > InverseConformalMetric
The conformally scaled inverse spatial metric , where is the Xcts::Tags::ConformalFactor and is the...
Definition Tags.hpp:53
Definition IndexType.hpp:46
The Christoffel symbols of the second kind (related to the conformal metric ) contracted in their fir...
Definition Tags.hpp:233

◆ boundary_conditions_base

Initial value:
Base class for boundary conditions for elliptic systems.
Definition BoundaryCondition.hpp:91

◆ inv_metric_tag

◆ primal_fluxes

using sgb::FirstOrderSystem::primal_fluxes
Initial value:
tmpl::list<::Tags::Flux<field, tmpl::size_t<3>, Frame::Inertial>>

The documentation for this struct was generated from the following file:
  • src/Elliptic/Systems/ScalarGaussBonnet/FirstOrderSystem.hpp