Results 11 to 20 of about 983,181 (198)
Forum Mathematicum, 2013 Abstract Let C be a model category with an initial object ⌀ ${\varnothing }$ and functorial factorizations. Let
Klein, John R., Peter, John W.
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Direct observation of nanoscale dynamics of ferroelectric degradation
Nature Communications, 2021 Space charges or injected charges dominate the ferroelectric degradation, however, its physics insight remains unclear. Here, the authors reveal the nature of ferroelectric degradation in nanodevices and the role of the injected charges in polarization ...
Qianwei Huang +10 more
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Charges on Strange Quark Nuggets in Space [PDF]
, 2007 Since Witten's seminal 1984 paper on the subject, searches for evidence of strange quark nuggets (SQNs) have proven unsuccessful. In the absence of experimental evidence ruling out SQNs, the validity of theories introducing mechanisms that increase their
A. K. Bhatia +18 more
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Energies, 2019 Many processes are involved in the accumulation of space charges within the insulation materials of high voltage direct current (HVDC) cables, e.g., the local electric field, a conductivity gradient inside the insulation, and the injection of charges at ...
Christoph Jörgens, Markus Clemens
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Hydro & thermo dynamics at causal boundaries, examples in 3d gravity
Journal of High Energy Physics, 2023 We study 3-dimensional gravity on a spacetime bounded by a generic 2-dimensional causal surface. We review the solution phase space specified by 4 generic functions over the causal boundary, construct the symplectic form over the solution space and the 4
H. Adami +4 more
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Holographic Entropy and Calabi's Diastasis [PDF]
, 2014 The entanglement entropy for interfaces and junctions of two-dimensional CFTs is evaluated on holographically dual half-BPS solutions to six-dimensional Type 4b supergravity with m anti-symmetric tensor supermultiplets.
D'Hoker, Eric, Gutperle, Michael
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Space Charge Modulated Electrical Breakdown [PDF]
Scientific Reports, 2016 AbstractElectrical breakdown is one of the most important physical phenomena in electrical and electronic engineering. Since the early 20thcentury, many theories and models of electrical breakdown have been proposed, but the origin of one key issue, that the explanation for dc breakdown strength being twice or higher than ac breakdown strength in ...
Li, Shengtao +3 more
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Commuting charges and symmetric spaces [PDF]
, 2000 Every classical sigma-model with target space a compact symmetric space $G/H$ (with $G$ classical) is shown to possess infinitely many local, commuting, conserved charges which can be written in closed form.
Evans, J. M., Mountain, A. J.
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Unification of Spins and Charges in Grassmann Space? [PDF]
, 1994 In a space of d $(d > 5) $ ordinary and d Grassmann coordinates, fields manifest in an ordinary four-dimensional subspace as spinor (1/2, 3/2), scalar, vector or tensor fields with the corresponding charges, according to two kinds of generators of the ...
Borštnik, Norma Mankoč
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Symmetries at causal boundaries in 2D and 3D gravity
Journal of High Energy Physics, 2022 We study 2d and 3d gravity theories on spacetimes with causal (timelike or null) codimension one boundaries while allowing for variations in the position of the boundary.
H. Adami +4 more
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