Results 11 to 20 of about 3,999,931 (403)

Exceptional moduli spaces for exceptional N $$ \mathcal{N} $$ = 3 theories

open access: yesJournal of High Energy Physics, 2022
It is expected on general grounds that the moduli space of 4d N $$ \mathcal{N} $$ = 3 theories is of the form ℂ3r /Γ, with r the rank and Γ a crystallographic complex reflection group (CCRG). As in the case of Lie algebras, the space of CCRGs consists of
Justin Kaidi, Mario Martone, Gabi Zafrir
doaj   +1 more source

Spontaneously broken boosts in CFTs

open access: yesJournal of High Energy Physics, 2021
Conformal Field Theories (CFTs) have rich dynamics in heavy states. We describe the constraints due to spontaneously broken boost and dilatation symmetries in such states.
Zohar Komargodski   +3 more
doaj   +1 more source

Stability analysis of a hyperbolic stochastic Galerkin formulation for the Aw-Rascle-Zhang model with relaxation

open access: yesMathematical Biosciences and Engineering, 2021
We investigate the propagation of uncertainties in the Aw-Rascle-Zhang model, which belongs to a class of second order traffic flow models described by a system of nonlinear hyperbolic equations. The stochastic quantities are expanded in terms of wavelet-
Stephan Gerster   +2 more
doaj   +1 more source

Geometries, non-geometries, and fluxes [PDF]

open access: yesAdvances in Theoretical and Mathematical Physics, 2010
Using F-theory/heterotic duality, we describe a framework for analyzing non-geometric T2-fibered heterotic compactifications to six- and four-dimensions. Our results suggest that among T2-fibered heterotic string vacua, the non-geometric compactifications are just as typical as the geometric ones. We also construct four-dimensional solutions which have
McOrist, Jock   +2 more
openaire   +3 more sources

Causal Geometry [PDF]

open access: yesEntropy, 2020
Information geometry has offered a way to formally study the efficacy of scientific models by quantifying the impact of model parameters on the predicted effects. However, there has been little formal investigation of causation in this framework, despite causal models being a fundamental part of science and explanation.
Pavel Chvykov, Erik Hoel
openaire   +5 more sources

Phases of surface defects in Scalar Field Theories

open access: yesJournal of High Energy Physics, 2023
We study mass-type surface defects in a free scalar and Wilson-Fisher (WF) O(N) theories. We obtain exact results for the free scalar defect, including its RG flow and defect Weyl anomaly.
Avia Raviv-Moshe, Siwei Zhong
doaj   +1 more source

Giant Vortices and the Regge Limit

open access: yesJournal of High Energy Physics, 2023
In recent years it has been shown that strongly coupled systems become analytically tractable in the regime of large quantum numbers, such as large spin or large charge.
Gabriel Cuomo, Zohar Komargodski
doaj   +1 more source

Factors modulating 99mTc‐MAA planar lung dosimetry for 90Y radioembolization

open access: yesJournal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Purpose To investigate the accuracy and biases of predicted lung shunt fraction (LSF) and lung dose (LD) calculations via 99mTc‐macro‐aggregated albumin (99mTc‐MAA) planar imaging for treatment planning of 90Y‐microsphere radioembolization.
Benjamin P. Lopez   +4 more
wiley   +1 more source

String theory and noncommutative geometry [PDF]

open access: yes, 1999
We extend earlier ideas about the appearance of noncommutative geometry in string theory with a nonzero B-field. We identify a limit in which the entire string dynamics is described by a minimally coupled (supersymmetric) gauge theory on a noncommutative
N. Seiberg, E. Witten
semanticscholar   +1 more source

Semi‐supervised classification of fundus images combined with CNN and GCN

open access: yesJournal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Purpose Diabetic retinopathy (DR) is one of the most serious complications of diabetes, which is a kind of fundus lesion with specific changes. Early diagnosis of DR can effectively reduce the visual damage caused by DR. Due to the variety and different morphology of DR lesions, automatic classification of fundus images in mass screening can ...
Sixu Duan   +8 more
wiley   +1 more source

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