Zobrazeno 1 - 10
of 210
pro vyhledávání: '"Yonekura, Kazuya"'
Heterotic string theory has nonsupersymmetric branes whose existence is suggested by the cobordism conjecture. We numerically construct static, spherically symmetric, and asymptotically flat black brane solutions in ten-dimensional heterotic superstr
Externí odkaz:
http://arxiv.org/abs/2412.02277
A uniform construction of non-supersymmetric 0-, 4-, 6- and 7-branes in heterotic string theory was announced and outlined in our letter \cite{Kaidi:2023tqo}. In this full paper, we provide details on their properties. Among other things, we discuss
Externí odkaz:
http://arxiv.org/abs/2411.04344
Autor:
Yonekura, Kazuya
We conjecture dualities among branes that consist of Neveu-Schwarz sector fields, such as NS5-branes. Two branes are dual after compactifications on spheres with gauge fluxes. The conjecture follows from simple considerations on string worldsheet the
Externí odkaz:
http://arxiv.org/abs/2403.14933
Autor:
Yonekura, Kazuya
We discuss some topological constraints on Type IIB string theory that cannot be described by elementary characteristic classes. Anomaly cancellation of the worldvolume theory of a D3-brane requires a shifted Dirac quantization condition of the Ramon
Externí odkaz:
http://arxiv.org/abs/2403.04127
Autor:
Yamada, Masaki, Yonekura, Kazuya
We point out that SO($2N$) pure Yang-Mills theory provides a candidate for dark matter (DM) without the explicit need to impose any additional symmetry. The DM candidate is a particular type of glueball, which we refer to as a baryonic glueball, that
Externí odkaz:
http://arxiv.org/abs/2307.06586
The QCD phase diagram in the space of temperature and imaginary baryon chemical potential has been an interesting subject in numerical lattice QCD simulations because of the absence of the sign problem and its deep structure related to confinement/de
Externí odkaz:
http://arxiv.org/abs/2305.01217
The common statement that any consistent quantum gravity theory contains dynamical objects with all possible charges suggests that there are still a number of hitherto-unidentified branes in string theory. Here we give the exact worldsheet descriptio
Externí odkaz:
http://arxiv.org/abs/2303.17623
For physicists: For supersymmetric quantum mechanics, there are cases when a mod-2 Witten index can be defined, even when a more ordinary $\mathbb{Z}$-valued Witten index vanishes. Similarly, for 2d supersymmetric quantum field theories, there are ca
Externí odkaz:
http://arxiv.org/abs/2302.07548
Autor:
Yonekura, Kazuya
We study the structure of anomalies in general heterotic string theories by considering general 2-dimensional $\mathcal{N}=(0,1)$ supersymmetric quantum field theories (SQFTs), without assuming conformal invariance nor the correct central charges. Fi
Externí odkaz:
http://arxiv.org/abs/2207.13858
Autor:
Yamada, Masaki, Yonekura, Kazuya
We discuss the formation of cosmic strings or macroscopic color flux tubes after the deconfinement/confinement phase transition in the pure Yang-Mills theory. Based on holographic dual descriptions, these cosmic strings can be interpreted as fundamen
Externí odkaz:
http://arxiv.org/abs/2204.13125