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For more useful information as regards the effects of the parameters [SIGMA], [r.sub.1], and [r.sub.2], we show graphically the DTSW stability in terms of [omega] and [a.sub.0], as depicted in Figure 1.
By changing the values of [SIGMA], [r.sub.1], and [r.sub.2], which encode the effects of electric Q, magnetic P, and dilaton charge [[phi].sub.0] on the DTSW stability, we see from Figure 1 that in two cases the region of stability is below the curve in the interval to the right of the asymptote, while in two other cases the stability region is simply below the curve.
After inserting (38) into (29), we plot the stability regions of DTSW supported by CG in terms of V" ([a.sub.0]) and [a.sub.0] as shown in Figure 2.
In this work, we have constructed a stable DTSW in the context of EMD theory.
Caption: FIGURE 1: Stability regions of DTSW in terms of [omega] and radius of the throat [a.sub.0] for different values of [SIGMA], [r.sub.1], and [r.sub.2].
Caption: FIGURE 2: Stability regions of DTSW in terms of [omega] as a function of the throat [a.sub.0] for different values of [SIGMA], [r.sub.1], and [r.sub.2].
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