Results 61 to 70 of about 111,827 (288)

Scalar and vector gauges unification in de Sitter ambient space formalism

Nuclear Physics B, 2022
We consider the massless minimally coupled scalar field in the de Sitter ambient space formalism as a gauge potential or connection field. We construct the scalar gauge theory by helping an arbitrary constant five-vector field Bα analogous to the ...
M.V. Takook
doaj   +1 more source

Molecular dynamics simulations of positively selected codons in FcγRI reveal novel biochemical binding properties

FEBS Open Bio, EarlyView.
Evolutionary analysis across 32 placental mammals identified positive selection at residues H148 and W149 in the immune receptor FcγR1. Ancestral reconstruction combined with molecular dynamics simulations reveals how these mutations may influence receptor structure and dynamics, providing insight into the evolution of antibody recognition and immune ...
David A. Young, Omar Arias‐Gaguancela, Fiona Gibson, Morgan Grainger, Jodie Score, Amit Nathubhai, Mauricio Cafiero, Lee Richard Machado   +7 more
wiley   +1 more source

2-Conformal Vector Fields on the Model Sol Space and Hyperbolic Ricci Solitons

Journal of Mathematics
In this study, we present the notion of 2-conformal vector fields on Riemannian and semi-Riemannian manifolds, which are an extension of Killing and conformal vector fields. Next, we provide suitable vector fields in Sol space that are 2-conformal. A few
Rawan Bossly, Ghodratallah Fasihi-Ramandi, Mohd Danish Siddiqi   +2 more
doaj   +1 more source

Broken scale invariance, $$\alpha $$ α -attractors and vector impurity

European Physical Journal C: Particles and Fields, 2017
We show that if the $$\alpha $$ α -attractor model is realized by the spontaneous breaking of the scale symmetry, then the stability and the dynamics of the vector field that gauges the scale symmetry can severely constrain the $$\alpha $$ α -parameter ...
Özgür Akarsu, Sibel Boran, Emre Onur Kahya, Neşe Özdemir, Mehmet Ozkan   +4 more
doaj   +1 more source

Nanothermometry in Living Cells: Physical Limits, Conceptual and Material Challenges

Advanced Functional Materials, EarlyView.
Heat and temperature are fundamental to life. When nanothermometers began probing regions as small as a living cell, they triggered controversial claims of large intracellular temperature gradients. We review physical constraints energy‐conservation, entropy production, thermodynamic fluctuations, and molecular dynamics.
Taras Plakhotnik
wiley   +1 more source

The epsilon expansion of the O(N) model with line defect from conformal field theory

Journal of High Energy Physics, 2023
We employ the axiomatic framework of Rychkov and Tan to investigate the critical O(N) vector model with a line defect in (4 − ϵ) dimensions. We assume the fixed point is described by defect conformal field theory and show that the critical value of the ...
Tatsuma Nishioka, Yoshitaka Okuyama, Soichiro Shimamori   +2 more
doaj   +1 more source

External leg amputation in conformal invariant three-point function

, 2011
Amputation of external legs is carried out explicitly for the conformal invariant three-point function involving two spinors and one vector field. Our results are consistent with the general result that amputing an external leg in a conformal invariant ...
A.P. Isaev, E.S. Fradkin, E.S. Fradkin, E.S. Fradkin, E.S. Fradkin, G. Cvetic, G. Cvetic, G. Cvetic, H. Georgi, H. Georgi, I. Mitra, I. Mitra, I. Mitra, I. Mitra, Indrajit Mitra, K. Symanzik, M. D’Eramo, M.Ya. Palchik, S. Ferrara, S. Ferrara   +19 more
core   +1 more source

Conformal vector fields on Finsler spaces

Differential Geometry and its Applications, 2013
AbstractHere, it is shown that every vector field on a Finsler space which keeps geodesic circles invariant is conformal. A necessary and sufficient condition for a vector field to keep geodesic circles invariant, known as concircular vector fields, is obtained.
Joharinad, P., Bidabad, B.
openaire   +1 more source

Strain‐Programmable Luminescent Adhesive Patch With Tartrazine‐Mediated Optical Skin Clearing for Photochemical Tissue Bonding

Advanced Functional Materials, EarlyView.
We propose a suture‐complementary approach that integrates optical skin clearing with a strain‐programmable luminescent adhesive patch. Hyaluronic acid promotes transdermal delivery of tartrazine to improve optical clearing and stabilizes its interaction with a photosensitizer. Optical clearing increases the penetration depth of visible light into skin,
Seong‐Jong Kim, Kyungjoo Jo, Kwanghyeon Park, Jun Hee Kim, Jong Hyeong Cho, Inhoo Choi, Sei Kwang Hahn   +6 more
wiley   +1 more source

Conformal Yang-Mills field in arbitrary dimensions

Nuclear Physics B
Lagrangian of a classical conformal Yang-Mills field in the flat space of even dimension greater than or equal to six involves higher derivatives. We study Lagrangian formulation of the classical conformal Yang-Mills field by using ordinary-derivative ...
R.R. Metsaev
doaj   +1 more source