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Generating functions of wormholes
F. Rahaman, , K.N. Singh, N. Pant
Published in World Scientific Publishing Co. Pte Ltd
Volume: 34
Issue: 1
It is known that wormhole geometry could be found solving the Einstein field equations by tolerating the violation of null energy condition (NEC). Violation of NEC is not possible for the physical matter distributions, however, it can be achieved by considering distributions of "exotic matter". The main purpose of this work is to find generating functions comprising the wormhole-like geometry and discuss the nature of these generating functions. We have used the Herrera et al. [Phys. Rev. D 77, 027502 (2008)] approaches of obtaining generating functions in the background of wormhole spacetime. Here we have adopted two approaches for solving the field equations to find wormhole geometry. In the first method, we have assumed the redshift function f(r) and the shape function b(r) and solve for the generating functions. In another attempt, we assume generating functions and redshift functions and then try to find shape functions of the wormholes. © 2019 World Scientific Publishing Company.
About the journal
JournalModern Physics Letters A
PublisherWorld Scientific Publishing Co. Pte Ltd