Lectures on the string landscape and the Swampland

Abstract

We provide an overview of the string landscape and the Swampland program. Our review of the string landscape covers the worldsheet and spacetime perspectives, including vacua and string dualities. We then review and motivate the Swampland program from the lessons learned from the string landscape. These lecture notes are aimed to be self-contained and thus can serve as a starting point for researchers interested in exploring these ideas. These notes are an expanded version of two courses "The String Landscape and the Swampland" taught by C.~Vafa at Harvard University in 2018 with a focus on the landscape, written by M.~J.~Kang with additional material from N.~B.~Agmon, and in 2022 with a focus on the Swampland, written by A.~Bedroya.

253 pages, 83 figures

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