Results 1 to 10 of about 1,028 (136)
Trace and chiral anomalies in string and ordinary field theory from Feynman diagrams for non-linear sigma models [PDF]
Nuclear Physics B, 1998 We write general one-loop anomalies of string field theory as path integrals on a torus for the corresponding nonlinear sigma model. This extends the work of Alvarez-Gaumé and Witten from quantum mechanics to two dimensions. Higher world-volume loops contribute in general to nontopological anomalies and a formalism to compute these is developed.
Agapitos Hatzinikitas +2 more
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Coordinate and Kähler σ-model anomalies and their cancellation in string effective field theories [PDF]
Nuclear Physics B, 1993 We discuss the complete set of one-loop triangle graphs involving the Yang-Mills gauge connection, the \Kahler\ connection and the $σ$-model coordinate connection in the effective field theory of $(2,2)$ symmetric $Z_N$ orbifolds. That is, we discuss pure gauge, pure \Kahler\ and pure $σ$-model coordinate anomalies as well as the mixed anomalies, such ...
Gabriel Lopes Cardoso, Burt A Ovrut
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Translations as inner derivations and associativity anomalies in open string field theory
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 1987 Abstract We show that spacetime translations are inner derivations of Witten's star algebra for open bosonic string field theory. The connection between inner derivations and gauge transformations is discussed. This result is in conflict with the naive expectation that the string midpoint is fixed in the star algebra.
Gary T Horowitz, Andrew Strominger
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On loop corrections to string effective field theories: field-dependent gauge couplings and σ-model anomalies [PDF]
Nuclear Physics B, 1992 Abstract We show that certain one-loop corrections to superstring effective four-dimensional lagragians, involving non-harmonic field-dependent renormalization of gauge couplings, can be consistently written in a standard N = 1 supergravity form, preserving target-space duality.
C Kounnas, F Zwirner
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Anomalies in non-polynomial closed string field theory
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 1990 Abstract The complete classical action for the non-polynomial closed string field theory was written down last year by the author and the Kyoto group. It successfully reproduces all closed string tree diagrams, but fails to reproduce modular invariant loop amplitudes.
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Witten effect, anomaly inflow, and charge teleportation
Journal of High Energy Physics, 2021 We study a phenomenon that electric charges are “teleported” between two spatially separated objects without exchanging charged particles at all. For example, this phenomenon happens between a magnetic monopole and an axion string in four dimensions, two
Hajime Fukuda, Kazuya Yonekura
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Associativity anomaly in string field theory [PDF]
Physical Review D, 2002 We give a detailed study of the associativity anomaly in open string field theory from the viewpoint of the split string and Moyal formalisms. The origin of the anomaly is reduced to the properties of the special infinite size matrices which relate the conventional open string to the split string variables, and is intimately related to midpoint issues.
Bars, Itzhak, Matsuo, Yutaka
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Anomalies in Witten's field theory of the NSR string [PDF]
Physics Letters B, 1988 Abstract We show that Witten's action for the NSR superstring on the space of non-smooth vectors generated by SUSY transformations depends on regularization that demonstrates the presence of anomalies in the theory. The necessity of choosing the regularization is connected with the appearance of the product of picture-changing operators at coincident
I.Ya. Aref'eva, P.B. Medvedev
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Observables as Twist Anomaly in Vacuum String Field Theory [PDF]
Journal of High Energy Physics, 2002 20 pages, no figures, LaTeX2e, v2: eqs.
Hata, Hiroyuki, Moriyama, Sanefumi
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Comments on QCD3 and anomalies with fundamental and adjoint matter
Journal of High Energy Physics, 2022 ’t Hooft anomaly matching is powerful for constraining the low energy phases of gauge theories. In 3d one common anomaly is the parity anomaly in a T-symmetric theory where one cannot gauge the global symmetry group without breaking the time-reversal ...
Nakarin Lohitsiri, Tin Sulejmanpasic
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