Results 81 to 90 of about 5,205 (306)

The exceptional sigma model

open access: yesJournal of High Energy Physics, 2018
We detail the construction of the exceptional sigma model, which describes a string propagating in the “extended spacetime” of exceptional field theory. This is to U-duality as the doubled sigma model is to T-duality. Symmetry specifies the Weylinvariant
Alex S. Arvanitakis, Chris D. A. Blair
doaj   +1 more source

K3 surfaces and string duality [PDF]

open access: yesSurveys in Differential Geometry, 1999
109 pages, LaTeX 2.09, 11 figures, TASI96(K3), volume parameter ...
openaire   +2 more sources

Smart Closed‐Loop Systems in Personalized Healthcare: Advances and Outlook

open access: yesAdvanced Materials Technologies, EarlyView.
A smart closed‐loop e‐textile integrates multimodal sensing, onboard processing, wireless communication, and wearable power to enable real‐time physiological/biochemical monitoring and feedback‐controlled therapy. ABSTRACT Smart textiles represent a revolutionary frontier in healthcare, seamlessly blending fabric and advanced technologies to create ...
Safoora Khosravi   +12 more
wiley   +1 more source

Aspects of holographic string theory [PDF]

open access: yes, 2009
In this thesis we study several aspects of gauge/gravity dualities. We start by analyzing the structure of the UV divergences of the Wilson loop for a general gauge/gravity duality.
Giataganas, Dimitrios   +1 more
core  

Vector meson production at low x from gauge/gravity duality

open access: yes, 2013
We use gauge/gravity duality to study vector meson (J/?, ? 0 , ?, ?) production in electron-proton scattering, in the limit of high center of mass energy at fixed momentum transfer, corresponding to the limit of low Bjorken x, where the process is ...
Costa, Miguel S.   +2 more
core   +1 more source

Matching the (DR4)-R-6 interaction at two-loops [PDF]

open access: yes, 2014
40 pages, various typos and coefficients corrected in version 2International audienceThe coefficient of the $D^6 {\cal R}^4$ interaction in the low energy expansion of the two-loop four-graviton amplitude in type II superstring theory is known to be ...
Pioline, Boris   +13 more
core   +1 more source

String duality and modular forms [PDF]

open access: yesPhysics Letters B, 1997
Tests of duality between heterotic strings on $K3\times T^2$ (restricted on certain Narain moduli subspaces) and type IIA strings on K3-fibered Calabi-Yau threefolds are attempted in the weak coupling regime on the heterotic side by identifying pertinent modular forms related to the computations of string threshold corrections. Concretely we discuss in
openaire   +2 more sources

On the classical string solutions and string/field theory duality [PDF]

open access: yesJournal of High Energy Physics, 2003
Based on the recently considered classical string configurations, in the framework of the semiclassical limit of the string/gauge theory correspondence, we describe a procedure for obtaining exact classical string solutions in general string theory backgrounds, when the string embedding coordinates depend nonlinearly on the worldsheet spatial ...
Aleksandrova, D., Bozhilov, P.
openaire   +4 more sources

Magnetic Textiles: A Review of Materials, Fabrication, Properties, and Applications

open access: yesAdvanced Materials Technologies, EarlyView.
Magnetic textiles (M‐textiles) are emerging as a programmable materials platform that merges magnetic matter with hierarchical textile structures. This article consolidates magnetic material classes, textile architectures, and fabrication and magnetization strategies, revealing structure–property–function relationships that govern magneto‐mechanical ...
Li Ke   +3 more
wiley   +1 more source

Strings and membranes from $\mathcal{A}$-theory five brane

open access: yesSciPost Physics
The $\mathcal{A}$-theory takes U-duality symmetry as a guiding principle, with the SL(5) U-duality symmetry being described as the world-volume theory of a 5-brane.
Machiko Hatsuda, Ondřej Hulík, William D. Linch, Warren D. Siegel, Di Wang, Yu-Ping Wang
doaj   +1 more source

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