44 citations · 212 across the 30 of their papers we have counts for
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Quantum action for heterotic string field theory with quantum L-infinity structure
Yasu Gen, Hiroshi Kunitomo, Jojiro Totsuka
We construct a quantum action for heterotic string field theory that satisfies the quantum Batalin-Vilkovisky equation. Assuming a triangulation of the bosonic moduli space, the pr…
A consistent light-cone-gauge superstring field theory
Yuji Ando, Ryota Fujii, Hiroshi Kunitomo +1
Extending a recent development in the bosonic string field theory, we construct a map from the Witten-type gauge-invariant superstring field theory based on an structu…
Open-closed homotopy algebra in superstring field theory
Hiroshi Kunitomo
We construct open-closed superstring interactions based on the open-closed homotopy algebra structure. It provides a classical open superstring field theory on general closed-super…
Type II superstring field theory revisited
Hiroshi Kunitomo
We reconstruct a complete type II superstring field theory with L-infinity structure in a symmetric way concerning the left- and right-moving sectors. Based on the new construction…
Tree-level S-matrix of superstring field theory with homotopy algebra structure
Hiroshi Kunitomo
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 p…
Type II superstring field theory with cyclic L-infinity structure
Hiroshi Kunitomo, Tatsuya Sugimoto
We construct a complete type II superstring field theory that includes all the NS-NS, R-NS, NS-R and R-R sectors. As in the open and heterotic superstring cases, the R-NS, NS-R and…
Heterotic string field theory with cyclic L-infinity structure
Hiroshi Kunitomo, Tatsuya Sugimoto
We construct a complete heterotic string field theory that includes both the Neveu-Schwarz and Ramond sectors. We give a construction of general string products, which realizes a c…
Fermion scattering amplitudes from gauge-invariant actions for open superstring field theory
Hiroshi Kunitomo, Yuji Okawa, Hiroki Sukeno +1
We calculate on-shell scattering amplitudes involving fermions at the tree level in open superstring field theory. We confirm that four-point and five-point amplitudes in the world…
Space-time supersymmetry in WZW-like open superstring field theory
Hiroshi Kunitomo
We investigate space-time supersymmetry in the WZW-like open superstring field theory, whose complete action was recently constructed. Starting from a natural space-time supersymme…
Construction of action for heterotic string field theory including the Ramond sector
Keiyu Goto, Hiroshi Kunitomo
Extending the formulation for open superstring field theory given in arXiv:1508.00366, we attempt to construct a complete action for heterotic string field theory. The action is no…
Complete action for open superstring field theory
Hiroshi Kunitomo, Yuji Okawa
We construct a complete action for open superstring field theory that includes the Neveu-Schwarz sector and the Ramond sector. For the Neveu-Schwarz sector, we use the string field…
Symmetries and Feynman Rules for Ramond Sector in Heterotic String Field Theory
Hiroshi Kunitomo
Examining the symmetries of the pseudo-action, we propose a prescription for the new Feynman rules for the Ramond sector of the WZW-like heterotic string field theory. The new rule…
Symmetries and Feynman Rules for Ramond Sector in Open Superstring Field Theory
Hiroshi Kunitomo
We examine the symmetries of the action suppelemented by the constraint in the WZW-type open superstring field theory. It is found that this pseudo-action has additional symmetries…
First-Order Equations of Motion for Heterotic String Field Theory
Hiroshi Kunitomo
We consider the equations of motion of the full heterotic string field theory including both the Neveu-Schwarz and the Ramond sectors. It is shown that they can be formulated in th…
The Ramond Sector of Heterotic String Field Theory
Hiroshi Kunitomo
We attempt to construct the full equations of motion for the Neveu-Schwarz and the Ramond sectors of the heterotic string field theory. Although they are non-polynomial also in the…
Gauge Fixing of Modified Cubic Open Superstring Field Theory
Maiko Kohriki, Taichiro Kugo, Hiroshi Kunitomo
The gauge-fixing problem of modified cubic open superstring field theory is discussed in detail both for the Ramond and Neveu-Schwarz sectors in the Batalin-Vilkovisky (BV) framewo…
No-Ghost Theorem for Neveu-Schwarz String in 0-Picture
Maiko Kohriki, Hiroshi Kunitomo, Masaki Murata
The no-ghost theorem for Neveu-Schwarz string is directly proved in 0-picture. The one-to-one correspondence between physical states in 0-picture and those in the conventional (-1)…
Supersymmetric AdS_3 solutions in Heterotic Supergravity
Hiroshi Kunitomo, Mitsuhisa Ohta
We analyze the AdS_3 x M_7 type supersymmetric solutions, including non-trivial fluxes, of the Killing spinor equations in the heterotic supergravity. We classify these solutions b…
Double-Spinor Superstrings on Coset Superspaces
Hiroshi Kunitomo
The double-spinor formalism, proposed by Aisaka and Kazama, provides a basis for the pure-spinor formalism, which allows manifestly super-Poincare covariant quantization of superst…
Lorentz anomaly in the semi-light-cone gauge superstrings
H. Kunitomo, S. Mizoguchi
We study the Lorentz invariance of D=4 and 6 superstrings in the double-spinor formalism, which are equivalent to the D=4 and 6 superstrings in the pure-spinor formalism in the sen…
Lower-dimensional superstrings in the double-spinor formalism
Hiroshi Kunitomo, Shun'ya Mizoguchi
We study lower-dimensional superstrings in the double-spinor formalism introduced by Aisaka and Kazama. These superstrings can be consistently quantized and are equivalent to the l…
One-Loop Amplitudes in Supersymmetric QCD from MHV Vertices
Hiroshi Kunitomo
The Cachazo-Svrcek-Witten (CSW) rule for efficiently calculating gauge theory amplitudes is extended to N=1 supersymmetric QCD (SQCD), incorporating massless quarks, in a way prese…
Hybrid Superstring on AdS_3 and Space-Time Superconformal Symmetry
Hiroshi Kunitomo
Using a hybrid formalism, superstrings on AdS(3) x S(1) are studied in a manifestly supersymmetric manner. The world-sheet fields in this description including superspace coordinat…
Hybrid Superstrings in NS-NS Plane Waves
Hiroshi Kunitomo
By using the hybrid formalism, superstrings in four-dimensional NS-NS plane waves are studied in a manifest supersymmetric manner. This description of the superstring is obtained b…