Results 21 to 30 of about 63,806 (262)

Topological string geometry

open access: yesNuclear Physics B, 2020
Perturbative string amplitudes are correctly derived from the string geometry theory, which is one of the candidates of a non-perturbative formulation of string theory. In order to derive non-perturbative effects rather easily, we formulate topological string geometry theory.
Sato, Matsuo, Sugimoto, Yuji
openaire   +4 more sources

Hypermultiplets and topological strings [PDF]

open access: yesJournal of High Energy Physics, 2006
The c-map relates classical hypermultiplet moduli spaces in compactifications of type II strings on a Calabi-Yau threefold to vector multiplet moduli spaces via a further compactification on a circle. We give an off-shell description of the c-map in N=2 superspace.
Rocek, M., Vafa, C., Vandoren, S.
openaire   +3 more sources

Electric-Current-Assisted Nucleation of Zero-Field Hopfion Rings. [PDF]

open access: yesAdv Mater
This work reports a novel and efficient nucleation protocol for 3D localized topological magnetic solitons‐hopfion rings in chiral magnets using pulsed electric currents. By using Lorentz transmission electron microscopy and topological analysis, we report characteristic features and extraordinary stability of hopfion rings in zero or inverted external
Chen X   +12 more
europepmc   +2 more sources

Topological Field Theory Interpretation of String Topology [PDF]

open access: yesCommunications in Mathematical Physics, 2003
ISSN:0010 ...
Cattaneo Alberto S.   +2 more
openaire   +5 more sources

String topology in three flavors [PDF]

open access: yesEMS Surveys in Mathematical Sciences, 2023
We describe two major string topology operations, the Chas–Sullivan product and the Goresky–Hingston coproduct, from geometric and algebraic perspectives. The geometric construction uses Thom–Pontrjagin intersection theory while the algebraic construction is phrased in terms of Hochschild homology.
Naef, Florian   +2 more
openaire   +4 more sources

Topological string entanglement [PDF]

open access: yesJournal of High Energy Physics, 2019
Abstract We investigate how topological entanglement of Chern-Simons theory is captured in a string theoretic realization. Our explorations are motivated by a desire to understand how quantum entanglement of low energy open string degrees of freedom is encoded in string theory (beyond the oft discussed classical gravity limit ...
Hubeny, Veronika E   +2 more
openaire   +6 more sources

Rational string topology

open access: yesJournal of the European Mathematical Society, 2007
We use the computational power of rational homotopy theory to provide an explicit cochain model for the loop product and the string bracket of a 1-connected closed manifold M . We prove that the loop homology of
Félix, Yves   +2 more
openaire   +4 more sources

Topological amplitudes in string theory [PDF]

open access: yesNuclear Physics B, 1994
We show that certain type II string amplitudes at genus $g$ are given by the topological partition function $F_g$ discussed recently by Bershadsky, Cecotti, Ooguri and Vafa. These amplitudes give rise to a term in the four-dimensional effective action of the form $\sum_g F_g W^{2g}$, where $W$ is the chiral superfield of $N=2$ supergravitational ...
Antoniadis, I.   +3 more
openaire   +2 more sources

Topological G2 and Spin(7) strings at 1-loop from double complexes

open access: yesJournal of High Energy Physics, 2022
We study the topological G 2 and Spin(7) strings at 1-loop. We define new double complexes for supersymmetric NSNS backgrounds of string theory using generalised geometry.
Anthony Ashmore   +4 more
doaj   +1 more source

Confining strings with topological term [PDF]

open access: yesPhysics Letters B, 1997
11 pages ...
Diamantini, M. C.   +2 more
openaire   +2 more sources

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