Results 91 to 100 of about 96,015 (345)

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

Lost chapters in CHL black holes: untwisted quarter-BPS dyons in the ℤ2 model

open access: yesJournal of High Energy Physics, 2021
Motivated by recent advances in Donaldson-Thomas theory, four-dimensional N $$ \mathcal{N} $$ = 4 string-string duality is examined in a reduced rank theory on a less studied BPS sector.
Fabian Fischbach   +2 more
doaj   +1 more source

Anomalous U(1) gauge symmetries and heterotic-typeI/II string duality [PDF]

open access: yes, 2000
Anomalous U(1) gauge symmetries can appear both in heterotic and type I string theories. In the heterotic case we find a single anomalous U(1), while in open string theories several such symmetries can appear.
Nilles, Hans Peter
core   +2 more sources

Transistor‐Level Activation Functions via Two‐Gate Designs: From Analog Sigmoid and Gaussian Control to Real‐Time Hardware Demonstrations

open access: yesAdvanced Materials, EarlyView.
Screen gate‐based transistors are presented, enabling tunable analog sigmoid and Gaussian activations. The SA‐transistor improves MRI classification accuracy, while the GA‐transistor supports precise Gaussian kernel tuning for forecasting. Both functions are implemented in a single device, offering compact, energy‐efficient analog AI processing ...
Junhyung Cho   +9 more
wiley   +1 more source

Tailored Xenogeneic‐Free Polymer Surface Promotes Dynamic Migration of Intestinal Stem Cells

open access: yesAdvanced Materials, EarlyView.
This study introduces a PoLymer‐coated Ultra‐stable Surface (PLUS), a nitrogen plasma‐treated poly(ethyleneglycoldimethacrylate), as a stable xenogeneic‐free platform for intestinal stem cell culture. PLUS enhances cell attachment, supports actin‐driven migration, and retains functionality after 3 years of storage. Promoting cytoskeletal reorganization,
Seonghyeon Park   +13 more
wiley   +1 more source

Some Recent Progress in AdS/CFT

open access: yes, 2010
Much of modern string theory research concerns AdS/CFT duality, or more generally, gauge/gravity duality. The main subjects are a) Testing and understanding such dualities by exploring how they work for systems with a lot of supersymmetry b) Constructing
Schwarz, John H.
core   +1 more source

DUALITY SYMMETRY GROUP OF TWO DIMENSIONAL HETEROTIC STRING THEORY [PDF]

open access: yes, 1995
The equations of motion of the massless sector of the two dimensional string theory, obtained by compactifying the heterotic string theory on an eight dimensional torus, is known to have an affine o(8,24) symmetry algebra generating an O(8,24) loop group.
Ashoke Sen   +59 more
core   +3 more sources

Open Strings and Dualities

open access: yes, 1997
In the fruitful interplay between gauge fields and strings and in many conjectured M-theory dualities, open strings play a prominent role. We review the construction of open-string descendants (un-orientifolds) of closed-string theories admitting a generalized orientation reversal involution.
openaire   +3 more sources

Multiplexed Luminal Tissue Constructs with Reconfigurable Barriers for Dynamic Modeling of Multi‐Tissue Interactions

open access: yesAdvanced Materials Technologies, EarlyView.
This study describes the fabrication of arrays of luminal tissue constructs for 3D luminal tissue modeling. An oil or media‐filled reservoir between constructs serves as a liquid barrier or bridge to regulate communication between lumens within the array for modeling multi‐tissue interactions in vitro. Abstract Cell‐lined luminal structures are crucial
Mouhita Humayun   +9 more
wiley   +1 more source

Supersymmetry, T-duality and heterotic α′-corrections

open access: yesJournal of High Energy Physics, 2021
Higher-derivative interactions and transformation rules of the fields in the effective field theories of the massless string states are strongly constrained by space-time symmetries and dualities. Here we use an exact formulation of ten dimensional N $$ \
Eric Lescano   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy