Evolving wormhole solutions in f(R,T)=αR^m+βT gravity are shown to satisfy the null, weak, strong, and dominant energy conditions for tuned parameters, avoiding exotic matter at the throat.
Revisiting the Evolving Lorentzian Wormhole: a General Perspective
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abstract
Wormholes can be described as geometrical structures in space and time that can serve as connection between distant regions of the universe. Mathematically, general wormholes can be defined both on stationary as well as on dynamic line elements. However, general relativistic and evolving Lorentzian wormholes are less studied than their static wormhole counterpart. Accordingly, in this work we shall focus on some evolving wormhole geometries. Starting from a general class of spherically symmetric line element supporting wormhole geometries, we shall use the Einstein's field equations to develop viable astatic wormhole solutions. We will also discuss various evolving wormhole solutions together with their physical significance, properties and throat energy conditions. We claim that the method discussed in this work shall be applicable for developing wormhole solutions corresponding to any general Lorentzian wormhole metric.
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Investigating Evolving Wormholes in $f(R,T)$ Gravity
Evolving wormhole solutions in f(R,T)=αR^m+βT gravity are shown to satisfy the null, weak, strong, and dominant energy conditions for tuned parameters, avoiding exotic matter at the throat.