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We use a numerical code to consider the nonlinear processes arising when aReissner-Nordstrom black hole is irradiated by an exotic scalar field (modelledas a free massless scalar field with an opposite sign for its energy-momentumtensor). These processes are quite different from the processes arising in thecase of the same black hole being irradiated by a pulse of a normal scalarfield. In our case, we did not observe the creation of a spacelike strongsingularity in the T-region of the space-time. We investigate the antifocusingeffects in the gravity field of the exotic scalar field with the negativeenergy density and the evolution of the mass function. We demonstrate theprocess of vanishing of the black hole when it is irradiated by a strong pulseof an exotic scalar field.

Physics of the interior of a black hole with an exotic scalar matter