Results 1 to 10 of about 1,025 (174)

Anomaly Cancellations and String Symmetries in the Effective Field Theory [PDF]

open access: green, 1994
This contribution briefly describes some developments of the use of string symmetries and anomaly cancellation mechanisms to include string loop corrections in the construction of the low-energy effective supergravity of superstrings. (Presented at the 27th International Conference on High Energy Physics, Glasgow, July 1994)
Jean-Pierre Derendinger
  +6 more sources

Coordinate and Kähler σ-model anomalies and their cancellation in string effective field theories [PDF]

open access: hybridNuclear Physics B, 1993
We discuss the complete set of one-loop triangle graphs involving the Yang-Mills gauge connection, the \Kahler\ connection and the $ $-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 $ $-model coordinate anomalies as well as the mixed anomalies ...
Cardoso, Gabriel Lopes, Ovrut, Burt A.
openaire   +3 more sources

Trace and chiral anomalies in string and ordinary field theory from Feynman diagrams for non-linear sigma models [PDF]

open access: greenNuclear 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-Gaum 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.
Hatzinikitas, Agapitos   +2 more
openaire   +4 more sources

Translations as inner derivations and associativity anomalies in open string field theory

open access: closedPhysics Letters B, 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
openaire   +2 more sources

Lorentz transformations as inner derivations in string field theory and the associativity anomaly revisited

open access: closedNuclear Physics B, 1988
Abstract Lorentz transformations of string fields are shown to be generated by inner derivations. This is explicitly checked using the operator formulation of string field theory. An associativity anomaly then appears in much the same manner as when checking translations as inner derivations.
Jonathan Morrow-Jones
openaire   +2 more sources

Witten effect, anomaly inflow, and charge teleportation

open access: yesJournal 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
doaj   +1 more source

Batalin-Vilkoviski master equation and absence of anomakies in string field theory [PDF]

open access: yesPhysics Letters B, 1993
report UPR-561-TH/Salamanca FTUS ...
Gaite, Jose, Brustein, Ram
openaire   +2 more sources

Comments on QCD3 and anomalies with fundamental and adjoint matter

open access: yesJournal 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
doaj   +1 more source

Global anomalies in 8d supergravity

open access: yesJournal of High Energy Physics, 2022
We study gauge and gravitational anomalies of fermions and 2-form fields on eight-dimensional spin manifolds. Possible global gauge anomalies are classified by spin bordism groups Ω 9 spin BG $$ {\varOmega}_9^{\mathrm{spin}}(BG) $$ which we determine by ...
Yasunori Lee, Kazuya Yonekura
doaj   +1 more source

Chiral torsional effects in anomalous fluids in thermal equilibrium

open access: yesJournal of High Energy Physics, 2021
Using the similarity between spacetime torsion and axial gauge couplings, we study torsional contributions to the equilibrium partition function in a stationary background.
Juan L. Mañes   +2 more
doaj   +1 more source

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