Anti-de Sitter Fragmentation
نویسنده
چکیده
Some general aspects of the AdS2/CFT1 correspondence, previously discussed in hep-th/9812073, are summarized. The majority of this summary is devoted to the question of where the CFT1 should live. Almost as a byproduct, the decay—or fragmentation—of AdS2 is also discussed. As is hopefully symptomatic of the number of contributions in the Cargese ’99 proceedings devoted to this conjecture, the AdS/CFT correspondence has been very fruitful in illuminating aspects of both large N gauge theory, and supergravity on AdS backgrounds. The AdS5/CFT4 conjecture is both very interesting and widely studied, because it sheds light on four-dimensional gauge theories.1 The AdS3/CFT2 conjecture has also been widely studied. Because of the simplifications that result in lower dimension—and because of the amount of knowledge that has accumulated on two-dimensional CFTs—the AdS3/CFT2 correspondence has been very useful at elucidating information on AdS3 supergravity. For example, a detailed microscopic description of the BTZ black hole has been obtained in this way. Continuing down in dimension, the AdS2/CFT1 conjecture is important for the understanding of four and five-dimensional black holes—the near horizon geometry of such black holes is respectively AdS2×S 2 and Gong Show talk given at the Cargese ’99 ASI “Progress in String Theory and M-Theory” 1The reader may have already noticed a dearth of references in this summary. That is because we are making every effort to acknowledge only our own research; all other citations are completely inadvertent.
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تاریخ انتشار 1998