Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2002-12-13
Mod.Phys.Lett. A19 (2004) 887-895
Physics
High Energy Physics
High Energy Physics - Theory
12 pages, improved discussion, to appear in Mod. Phys. Lett. A
Scientific paper
10.1142/S0217732304013891
In the Penrose limit, AdS*S space turns into a Cahen-Wallach (CW) space whose Killing vectors satisfy a Heisenberg algebra. This algebra is mapped onto the holographic screen on the boundary of AdS. I show that the Heisenberg algebra on the boundary of AdS may be obtained directly from the CW space by appropriately constraining the states defined on it. The transformations generated by the constraint are similar to gauge transformations. The ``holographic screen'' on the CW space is thus obtained as a ``gauge-fixing'' condition.
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