Energetics in condensate star and wormholes
K. K. NandiDepartment of Mathematics, University of North Bengal, Siliguri (WB) 734013, IndiaY. Z. ZhangInstitute of Theoretical Physics, Chinese Academy of Sciences, Post Box 2735, Beijing 100080, ChinaRong-Gen CaiInstitute of Theoretical Physics, Chinese Academy of Sciences, Post Box 2735, Beijing 100080, ChinaAlla PanchenkoJoint Research Laboratory, Bashkir State Pedagogical University, Ufa 450000, Russia
2009en
ABI
Annotatsiya
It is known that the total gravitational energy in localized sources that have static spherical symmetry and satisfy energy conditions is negative (attractive gravity). A natural query is how the gravitational energy behaves under circumstances where energy conditions are violated. To answer this, the known expression for the gravitational energy is suitably adapted to account for situations like the ones occurring in wormhole spacetime. It is then exemplified that in many cases the modified expression yields desirable answers. The implications are discussed.
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