75 citations · 107 across the 6 of their papers we have counts for
6 papers
Orientifolds of Gepner models without Kähler moduli
Miguel Morros, Johannes Walcher, Qi You
One of the main challenges in string theory Calabi-Yau compactifications to four dimensions is the stabilization of the massless complex structure and Kähler moduli. In type IIB st…
The Absolute Swampland
Astrid Eichhorn, Arthur Hebecker, Jan M. Pawlowski +1
The ``Swampland Program'' aims to discriminate consistent-looking effective field theories that do not admit a UV completion in quantum gravity from those that do. While most often…
Cobordism and Bubbles of Anything in the String Landscape
Bjoern Hassfeld, Arthur Hebecker, Johannes Walcher
We study bubble of nothing decays and their reverse processes, the creation of vacua through `bubbles of something', in models of the Universe based on string theory. From the four…
Conformal field theory, boundary conditions and applications to string theory
C. Schweigert, J. Fuchs, J. Walcher
This is an introduction to two-dimensional conformal field theory and its applications in string theory. Modern concepts of conformal field theory are explained, and it is outlined…
Projections in string theory and boundary states for Gepner models
J. Fuchs, C. Schweigert, J. Walcher
In string theory various projections have to be imposed to ensure supersymmetry. We study the consequences of these projections in the presence of world sheet boundaries. A-type bo…
New maverick coset theories
B. Pedrini, C. Schweigert, J. Walcher
We present new examples of maverick coset conformal field theories. They are closely related to conformal embeddings and exceptional modular invariants.