D-Instantons on the boundary
Ian I. Kogan, Gloria Luzon
TL;DR
This paper investigates the role of D(-1)-branes in string theory, demonstrating their necessity for accurately describing instantons in gauge theories related to AdS/CFT correspondence.
Contribution
It provides new insights into how D(-1)-branes are essential for modeling instantons within the AdS/CFT framework, extending the understanding of brane configurations.
Findings
D(-1)-branes are necessary for four and two-dimensional instantons.
Adding D(-1)-branes modifies the gauge theory description.
Supports the connection between string theory and gauge instantons.
Abstract
The Maldacena's proposal has established an intriguing connection between string theory in AdS spaces and gauge theory. In this paper we study the effects of adding D(-1)-branes to the system of D3- or (D1-D5)-branes and we give arguments indicating that D(-1)-branes are necessary to describe four and two dimensional instantons.
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