Results 111 to 120 of about 11,999 (257)

Pathwise Geometry of Parabolic Flows

This paper explores the pathwise geometric properties of solutions to parabolic flows, particularly those driven by stochastic noise. Traditional studies of parabolic partial differential equations often focus on properties of expectations or ensemble averages. However, in many physical and mathematical contexts, the behavior of individual sample paths
Revista, Zen, MATH, 10
openaire   +2 more sources

Multi‐Responsive Bowl‐Shaped Janus Nanomotors Based on Polyitaconic acid/Polypyrrole on the Surface of Iron Oxide Nanoparticles with Chemical, Electrical, and Magnetic Field Actuation for Targeted Drug Delivery Applications

Advanced NanoBiomed Research, EarlyView.
Bowl‐shaped Janus nanomotors with platinum, iron oxide, and polypyrrole integrate catalytic, magnetic, and electric propulsion for targeted drug delivery. They demonstrate controlled, directional motion under varying pH and hydrogen peroxide conditions, with optimal performance in neutral media.
Kimia Tavakoli Dehaghi, Sepideh Khoee, Shima Tavakoli, Oommen P. Varghese   +3 more
wiley   +1 more source

Conformal Geometry versus Riemannian Geometry

, 2014
Riemannian and conformal geometry are classical topics of differential geometry. Even though both kinds of geometries are much related and have many common questions and features, they are very different in nature.
Leitner, Felipe
core  

Parabolic sheaves on logarithmic schemes

, 2012
We show how the natural context for the definition of parabolic sheaves on a scheme is that of logarithmic geometry. The key point is a reformulation of the concept of logarithmic structure in the language of symmetric monoidal categories, which might be
Borne, Niels, Niels Borne, Angelo Vistoli, BORNE N, Vistoli, Angelo   +4 more
core   +1 more source

The Role of Intraparticle Diffusion in Kinetic Model Discrimination: Proof of Concept Testing for Methanol Dehydration

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT The rate of a heterogeneous catalytic process may simultaneously be described by several rate equations. In this case, discrimination between the plausible kinetic models is required. An intrinsic kinetic model of a heterogeneous catalytic process may successively be discriminated by the transition from a reaction rate‐limited regime to an ...
Oleksii Zhokh, Andrii Trypolskyi, Peter Strizhak   +2 more
wiley   +1 more source

Emergent Spin Hall Quantization and High‐Order van Hove singularities in Square‐Octagonal MA2Z4

Advanced Physics Research, EarlyView.
Square‐octagonal MA2Z4 (M = Mo/W, A = Si/Ge, Z = pnictogen) monolayers are predicted to realize quantum spin Hall insulators with nearly quantized spin Hall conductivity enabled by an emergent spin U(1) quasi‐symmetry. Materials with Z = As and Sb host quasi‐flat bands with high‐order van Hove singularities near the Fermi level, making them promising ...
Rahul Verma, Yash Vardhan, Hsin Lin, Bahadur Singh   +3 more
wiley   +1 more source

Spin Dynamics of Excitons and Carriers in Mixed‐Cation MAxFA1–xPbI3 Perovskite Crystals: Alloy Fluctuations Probed by Optical Orientation

Advanced Physics Research, EarlyView.
The impact of alloy fluctuations on the spin dynamics of mixed‐cation MAxFA1‐xPbI3 perovskite single crystals is studied experimentally by means of polarized time‐resolved photoluminescence. The high optical orientation degree, reaching 80% for x = 0.1 and 0.8, displays a minimum of 60% for x = 0.4.
Boris F. Gribakin, Nataliia E. Kopteva, Dmitri R. Yakovlev, Ilya A. Akimov, Ina V. Kalitukha, Bekir Turedi, Maksym V. Kovalenko, Manfred Bayer   +7 more
wiley   +1 more source

Resonant Tunneling in Laser‐Dressed Double‐Barrier Nanostructures: Role of Potential Geometry

Advanced Physics Research, EarlyView.
A schematic illustration of laser‐dressed double‐barrier nanostructures with rectangular, parabolic, and triangular potential profiles is presented. The intense laser field modifies the effective confinement potential, leading to a shift in resonance energies.
Recep Aydın, Mehmet Batı
wiley   +1 more source

Structural Optimization of a Line-Focussing Solar Collector With Stationary Absorber Tube

, 2011
A preliminary study on a line concentrating solar collector with stationary absorber tube has revealed significant cost reduction and performance enhancement compared to state-of-the-art Parabolic Trough Collectors. To decide whether this so called Fixed
Uhlig, Ralf, Schapitz, Tamara, Prahl , Christoph   +2 more
core  

Quantifying the Impact of Relativistic Precession on Tidal Disruption Event Light Curves

Astronomische Nachrichten, EarlyView.
ABSTRACT The tidal field of a black hole can turn a star into a gas stream whose orbit can precess, especially if the a black hole is rapidly spinning. In this work, we investigate the impact of precession on the light curves of tidal disruption events (TDE).
Diego Calderón, Ondřej Pejcha, Brian D. Metzger, Paul C. Duffell, Stephan Rosswog   +4 more
wiley   +1 more source