scholarly journals Parametrized post-Newtonian limit of general teleparallel gravity theories

2019 ◽  
Vol 100 (10) ◽  
Author(s):  
Ulbossyn Ualikhanova ◽  
Manuel Hohmann
2018 ◽  
Vol 98 (12) ◽  
Author(s):  
Manuel Hohmann ◽  
Martin Krššák ◽  
Christian Pfeifer ◽  
Ulbossyn Ualikhanova

Universe ◽  
2019 ◽  
Vol 5 (6) ◽  
pp. 143 ◽  
Author(s):  
Daniel Blixt ◽  
Manuel Hohmann ◽  
Christian Pfeifer

The covariant formulation of teleparallel gravity theories must include the spin connection, which has 6 degrees of freedom. One can, however, always choose a gauge such that the spin connection is put to zero. In principle this gauge may affect counting of degrees of freedom in the Hamiltonian analysis. We show for general teleparallel theories of gravity, that fixing the gauge such that the spin connection vanishes in fact does not affect the counting of degrees of freedom. This manifests in the fact that the momenta of the Lorentz transformations which generate the spin connection are fully determined by the momenta of the tetrads.


2020 ◽  
Vol 35 (02n03) ◽  
pp. 2040014
Author(s):  
Manuel Hohmann

In a recent work we derived the kinematic Hamiltonian and primary constraints of the new general relativity class of teleparallel gravity theories and showed that these theories can be grouped in 9 classes, based on the presence or absence of primary constraints in their Hamiltonian. Here we demonstrate an alternative approach towards this result, by using differential forms instead of tensor components throughout the calculation. We prove that also this alternative derivation yields the same results and show how they are related to each other.


2017 ◽  
Vol 34 (23) ◽  
pp. 235011 ◽  
Author(s):  
Álvaro de la Cruz-Dombriz ◽  
Gabriel Farrugia ◽  
Jackson Levi Said ◽  
Diego Sáez-Chillón Gómez

2020 ◽  
Vol 2020 (12) ◽  
pp. 020-020
Author(s):  
U.K. Beckering Vinckers ◽  
Á. de la Cruz-Dombriz ◽  
F.J. Maldonado Torralba

2018 ◽  
Vol 97 (10) ◽  
Author(s):  
Álvaro de la Cruz-Dombriz ◽  
Gabriel Farrugia ◽  
Jackson Levi Said ◽  
Diego Sáez-Chillón Gómez

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