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16 papers · 1 filter
-term Multi-Field Inflation in Supergravity without Stabiliser Superfields
Jinn-Ouk Gong, Sergei V. Ketov, Takahiro Terada
Realising -term slow-roll inflation in supergravity is non-trivial due to the well-known -problem. The common strategy to solve the problem is to impose a shift symmetry on t…
Invertibility conditions for field transformations with derivatives: toward extensions of disformal transformation with higher derivatives
Eugeny Babichev, Keisuke Izumi, Norihiro Tanahashi +1
We discuss a field transformation from fields to other fields that involves derivatives, , and derive conditions for th…
Conformal inflation in the metric-affine geometry
Yusuke Mikura, Yuichiro Tada, Shuichiro Yokoyama
Systematic understanding for classes of inflationary models is investigated from the viewpoint of the local conformal symmetry and the slightly broken global symmetry in the framew…
Supersymmetric Adler Functions and Holography
Masaya Iwanaga, Andreas Karch, Tadakatsu Sakai
We perform several tests on a recent proposal by Shifman and Stepanyantz for an exact expression for the current correlation functions in supersymmetric gauge theories. We clarify…
Exact Instanton Expansion of Superconformal Chern-Simons Theories from Topological Strings
Sanefumi Moriyama, Tomoki Nosaka
It was known that the ABJM matrix model is dual to the topological string theory on a Calabi-Yau manifold. Using this relation it was possible to write down the exact instanton exp…
ABJM Membrane Instanton from Pole Cancellation Mechanism
Sanefumi Moriyama, Tomoki Nosaka
The coefficients of the membrane instantons in the ABJM theory are known to be quadratic polynomials of the chemical potential. We show that, after deforming the ABJM theory into m…