2 papers
gr-qc2024
Revisiting Weak Energy Condition and wormholes in Brans-Dicke gravity
Hoang Ky Nguyen, Mustapha Azreg-Aïnou
It is known that the formation of a wormhole typically involves a violation of the Weak Energy Condition (WEC), but the reverse is not necessarily true. In the context of Brans-Dic…
gr-qc2024
Analyzing Pantheon SNeIa data in the context of Barrow's variable speed of light
Hoang Ky Nguyen
We analyze the Combined Pantheon Sample of Type Ia supernovae while allowing the velocity of light to vary as a function of the scale factor , as initiated by Bar…