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- W2007079707 abstract "Using an exact supergravity solution representing the , it is demonstrated that one can construct a supergravity analogue of the tachyon potential. Remarkably, the (regularized) minimum value of the potential turns out to be V(T0) = −2m with m denoting the ADM mass of a single Dp-brane. This result, in a sense, appears to confirm that Sen's conjecture for the tachyon condensation on unstable D-branes is indeed correct although the analysis used here is semi-classical in nature and hence should be taken with some care. Also shown is the fact that the tachyon mass squared m2T (which has started out as being negative) can actually become positive definite and large as the tachyon rolls down toward the minimum of its potential. It indeed signals the possibility of successful condensation of the tachyon since it shows that near the minimum of its potential, tachyon can become heavy enough to disappear from the massless spectrum. Some cosmological implications of this tachyon potential in the context of ``rolling tachyons'' is also discussed." @default.
- W2007079707 created "2016-06-24" @default.
- W2007079707 creator A5061909324 @default.
- W2007079707 date "2003-01-31" @default.
- W2007079707 modified "2023-09-27" @default.
- W2007079707 title "Supergravity Approach to Tachyon Potential in Brane-Antibrane Systems" @default.
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- W2007079707 doi "https://doi.org/10.1088/1126-6708/2003/01/080" @default.
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