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We use Moller's energy-momentum complex in order to explicitly compute the energy and momentum density distributions for an exact solution of Einstein's field equations with a negative cosmological constant, minimally coupled to a static massless scalar field in a static, spherically symmetric background in (2 + 1) dimensions

ENERGY DISTRIBUTION OF THE EINSTEIN–KLEIN–GORDON SYSTEM FOR A STATIC SPHERICALLY SYMMETRIC SPACE–TIME IN (2+1) DIMENSIONS