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4 papers
Issue of Branched Hamiltonian, Inflation and indispensability of scalar field in generalized Teleparallel theories
Dalia Saha, Jyoti Prasad Saha, Abhik kumar sanyal
Generalized Teleparallel gravity theories were proposed as alternatives to the dark energy and modified theories of gravity. However, minimal generalization of TEGR and STEGR lead…
Vulnerability of f(Q) gravity theory and a possible resolution
Dalia Saha, Abhik Kumar Sanyal
Both the generalized teleparallel theories of gravity suffer from some serious problems. The strong coupling issue appearing as a consequence of extra degrees of freedom in the `ge…
Phase space structure of symmetric teleparallel theory of gravity
Dalia Saha, Abhik Kumar Sanyal
The `Generalized Symmetric Teleparallel Gravity' (GSTG) does not admit diffeomorphic invariance, since the auxiliary field as well as the shift vector act as non-propagating dynami…
Probing symmetric teleparallel gravity in the early universe
Avik De, Dalia Saha, Ganesh Subramaniam +1
General theory of relativity can be equivalently formulated on a flat space-time associating a torsion-free affine connection of non-vanishing non-metricity scalar . In this pap…