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Tachyon; black hole; event horizon

It is shown that the interaction of a class of positive energy tachyons decreases the area of the horizon of theT-S, ∂=3 metric even in the case of a reversible transformation (M_ir=constant). This is a violation of the second law of black hole physics.

K C Das^{1 2}

1. Department of Physics, The University of Burdwan, Burdwan - 713 104, India
2. Katwa College, Katwa, Burdwan - 713 130, India

Published

October 1982

Manuscript received

30 March 1982

Manuscript revised

17 August 1982