Results 1 to 10 of about 6,455,624 (259)
Background independence of closed superstring field theory [PDF]
Journal of High Energy Physics, 2018 Given a family of world-sheet superconformal field theories related by marginal deformation, we can formulate superstring field theory based on any of these world-sheet theories.
Ashoke Sen
doaj +4 more sources
Superspin chains from superstring theory [PDF]
SciPost Physics, 2022 We present a correspondence between two-dimensional N=(2,2) supersymmetric gauge theories and rational integrable gl(m|n) spin chains with spin variables taking values in Verma modules.
Nafiz Ishtiaque, Seyed Faroogh Moosavian, Surya Raghavendran, Junya Yagi
doaj +2 more sources
Regularization of superstring amplitudes and a cancellation of divergences in superstring theory [PDF]
arXiv, 1997 For a calculation of divergent fermion string amplitudes a regularization procedure invariant under the supermodular group is constructed. By this procedure superstring amplitudes of an arbitrary genus are calculated using both partition functions and superfield vacuum correlators computed early.
G.S. Danilov
arxiv +3 more sources
Open Superstring Theory and Superalgebra of the Brane Antibrane System [PDF]
Nucl.Phys.B599:185-196,2001, 2000 Open superstring theory is formulated in terms of a nondegenerate supertranslation algebra. A supercharge for a tachyonic superstring can be also defined classically by taking into account the leakage of the supercurrent which is compensated by fermionic and bosonic auxiliary fields.
Machiko Hatsuda, Makoto Sakaguchi
arxiv +3 more sources
D=5 holomorphic Chern-Simons and the pure spinor superstring
Journal of High Energy Physics, 2023 The physical states of D=5 holomorphic Chern-Simons theory correspond to on-shell D=10 open superstring states in the cohomology of q +, where q + is one of the 16 spacetime supersymmetry generators.
Nathan Berkovits
doaj +1 more source
Instanton solutions in open superstring field theory
Journal of High Energy Physics, 2022 Open superstring field theory admits a “hybrid” formulation where N = 1 D = 4 supersymmetry is manifest for Calabi-Yau compactifications to four dimensions.
Nathan Berkovits +2 more
doaj +1 more source
Stringy tachyonic instabilities of non-supersymmetric Ricci flat backgrounds
Journal of High Energy Physics, 2021 Superstring/M-theory compactified on compact Ricci flat manifolds have recently been conjectured to exhibit instabilities whenever the metrics do not have special holonomy.
Bobby Samir Acharya +5 more
doaj +1 more source
On the Role of Torsion and Higher Forms in Off‐Shell Supergravity
Fortschritte der Physik, Volume 71, Issue 8-9, September 2023., 2023 Abstract The presence of a nonvanishing totally antisymmetric (super)torsion, equivalent to an axial vector, and higher forms in the “new minimal” and “old minimal” off‐shell formulations of N=1$\mathcal {N}=1$, D=4$D=4$ supergravity is elaborated. The geometric superspace approach and study both the geometric Lagrangian and the off‐shell closure of ...
Lucrezia Ravera
wiley +1 more source
Enhancement of Out‐of‐Plane Spin–Orbit Torque by Interfacial Modification
Advanced Materials, Volume 35, Issue 12, March 23, 2023., 2023 The oxidation in CuPt/ferromagnet interface is found to be able to enhance the out‐of‐plane (OOP) torque and associated spin–orbit torque (SOT) switching efficiency with remaining threefold rotational symmetry. The enhancement is independent of the device shapes, magnetic materials, or magnetization easy axis.
Tieyang Zhao +11 more
wiley +1 more source
Tree-level S-matrix of superstring field theory with homotopy algebra structure
Journal of High Energy Physics, 2021 We show that the tree-level S-matrices of the superstring field theories based on the homotopy-algebra structure agree with those obtained in the first-quantized formulation. The proof is given in detail for the heterotic string field theory.
Hiroshi Kunitomo
doaj +1 more source