Results 81 to 90 of about 219,099 (300)

String Scattering from D-branes in Type 0 Theories

, 1999
We derive fully covariant expressions for all two-point scattering amplitudes involving closed string tachyon and massless strings from Dirichlet brane in type 0 theories.
Bergman, Dixon, Duff, Garousi, Gubser, Hashimoto, Hashimoto, Klebanov, Mohammad R. Garousi, Polchinski, Polchinski, Schwarz, Seiberg   +12 more
core   +2 more sources

Non-Planar String Networks on Tori [PDF]

, 2000
Type II strings in D=5 contain particle-like 1/8 supersymmetric BPS states. In this note we give a string-network representation of such states by considering (periodic) non-planar $(p,q,r)$-string networks of eight dimensional type II string theory on ...
Kumar, Alok
core   +2 more sources

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

Advanced 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, Youngmin Han, Won Woo Lee, Youngwoo Yoo, Kannan Udaya Mohanan, Chang‐Hyun Kim, Junhwan Choi, Young‐Joon Kim, Wonjun Shin, Hocheon Yoo   +9 more
wiley   +1 more source

Role of density inhomogeneity in dissipative collapse through Finch-Skea spacetime in f(R) gravity

Nuclear Physics B
This study investigates the dynamics of dissipative gravitational collapse within the framework of f(R) gravity, focusing on the exponential correction model f(R)=R−β1Rs(1−e−R/Rs) and incorporating the concept of a horizon function. The model considers a
M. Ilyas, Zaib Un Nisa Shinwari, Fawad Khan, Sidra Marwat   +3 more
doaj   +1 more source

Strong-coupling expansion of cusp anomaly and gluon amplitudes from quantum open strings in AdS_5 x S^5

, 2007
An important ``observable'' of planar N=4 SYM theory is the scaling function f(lambda) that appears in the anomalous dimension of large spin twist 2 operators and also in the cusp anomaly of light-like Wilson loops.
Kruczenski, M., Roiban, R., Tirziu, A., Tseytlin, A. A.   +3 more
core   +1 more source

Immune and Stem Cell‐Mediated Bactericidal Amplification and Bone Remodeling for Infection Clearance and Osteointegration

Advanced Materials, EarlyView.
A pH‐responsive biomaterial interface integrates bactericidal peptides, cell‐recruiting peptides, and magnesium ions into a multifunctional system. Infection‐induced acidification triggers antimicrobial peptide release while cell‐recruiting peptides mobilize bone marrow stem cells.
Zhenyu Li, Siming Zhang, Jiale Dong, Ning Li, Mo Chen, Kunzheng Wang, Bin Li, Guoqing Pan, Jiaxiang Bai, Chen Zhu   +9 more
wiley   +1 more source

String theory at order α′ 2 and the generalized Bergshoeff-de Roo identification

Journal of High Energy Physics, 2021
It has been shown by Marques and Nunez that the first α′-correction to the bosonic and heterotic string can be captured in the O(D, D) covariant formalism of Double Field Theory via a certain two-parameter deformation of the double Lorentz ...
Stanislav Hronek, Linus Wulff
doaj   +1 more source

Projector‐Induced Waveguide Encoded Lattices (ProWELs) with Optical Functionality: From Enhanced Fields of View (FOV) to 3D Data Encoding

Advanced Optical Materials, EarlyView.
We describe the fabrication of 3D polymeric waveguide architectures with tunability of waveguide diameter, lattice symmetry and long and short‐range order using an inexpensive (< $400 CAD) digital light projector. We demonstrate that Projector induced Waveguide Encoded Lattices (ProWELs) possess advanced functionality including tuneable Fields of View (
Kyle Stegman, Dusan Srdic, Fariha Mahmood, Kalaichelvi Saravanamuttu   +3 more
wiley   +1 more source

Dilaton black hole entropy from entropy function formalism

European Physical Journal C: Particles and Fields, 2019
It has been shown that the entropy function formalism is an efficient way to calculate the entropy of black holes in string theory. We check this formalism for the extremal charged dilaton black hole. We find the general four-derivative correction on the
Komeil Babaei Velni, Ali Jalali, Bahareh Khoshdelan   +2 more
doaj   +1 more source

Effective string picture for confinement at finite temperature: theoretical predictions and high precision numerical results [PDF]

, 2003
The effective string picture of confinement is used to derive theoretical predictions for the interquark potential at finite temperature. At short distances, the leading string correction to the linear confining potential between a heavy quark-antiquark ...
Blöte, Caselle, Caselle, de Forcrand, de Forcrand, Hasenbusch, Lüscher, Lüscher, M. Caselle, M. Hasenbusch, M. Panero, Serre   +11 more
core   +3 more sources