Classes | Typedefs
Xcts::Tags Namespace Reference

Tags related to the XCTS equations. More...

Classes

struct  Conformal
 The quantity Tag scaled by the Xcts::Tags::ConformalFactor to the given Power More...
 
struct  ConformalFactor
 The conformal factor \(\psi(x)\) that rescales the spatial metric \(\gamma_{ij}=\psi^4\bar{\gamma}_{ij}\). More...
 
struct  LapseTimesConformalFactor
 The product of lapse \(\alpha(x)\) and conformal factor \(\psi(x)\). More...
 
struct  ShiftBackground
 The constant part \(\beta^i_\mathrm{background}\) of the shift \(\beta^i=\beta^i_\mathrm{background} + \beta^i_\mathrm{excess}\). More...
 
struct  ShiftExcess
 The dynamic part \(\beta^i_\mathrm{excess}\) of the shift \(\beta^i=\beta^i_\mathrm{background} + \beta^i_\mathrm{excess}\). More...
 
struct  ShiftStrain
 The symmetric "strain" of the shift vector \(B_{ij} = \bar{\nabla}_{(i}\bar{\gamma}_{j)k}\beta^k = \left(\partial_{(i}\bar{\gamma}_{j)k} - \bar{\Gamma}_{kij}\right)\beta^k\). More...
 

Typedefs

template<typename DataType , size_t Dim, typename Frame >
using ConformalMetric = Conformal< gr::Tags::SpatialMetric< Dim, Frame, DataType >, -4 >
 The conformally scaled spatial metric \(\bar{\gamma}_{ij}=\psi^{-4}\gamma_{ij}\), where \(\psi\) is the Xcts::Tags::ConformalFactor and \(gamma_{ij}\) is the gr::Tags::SpatialMetric
 

Detailed Description

Tags related to the XCTS equations.