Results 41 to 50 of about 211,089 (303)

Computer simulation of liquid-crystal surface modification [PDF]

open access: yes
Metropolis Monte Carlo simulations are used to study the interplay between two different anchoring effects of spherocylinders on a modified surface consisting of hard walls onto which liquid-crystal molecules have been perpendicularly grafted. By varying
Allen, M. P., Downton, M.T.
core   +1 more source

Influence of steps on the tilting and adsorption dynamics of ordered Pn films on vicinal Ag(111) surfaces [PDF]

open access: yes, 2012
Here we present a structural study of pentacene (Pn) thin films on vicinal Ag(111) surfaces by He atom diffraction measurements and density functional theory (DFT) calculations supplemented with van der Waals (vdW) interactions.
Anthony J. E.   +41 more
core   +2 more sources

Vortex Pinning and Non-Hermitian Quantum Mechanics

open access: yes, 1997
A delocalization phenomenon is studied in a class of non-Hermitian random quantum-mechanical problems. Delocalization arises in response to a sufficiently large constant imaginary vector potential.
B. I. Shklovskii   +21 more
core   +1 more source

Driven Depinning in Anisotropic Media [PDF]

open access: yes, 1994
We show that the critical behavior of a driven interface, depinned from quenched random impurities, depends on the isotropy of the medium. In anisotropic media the interface is pinned by a bounding (conducting) surface characteristic of a model of mixed ...
C. Tang   +27 more
core   +2 more sources

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

open access: yesFEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka   +11 more
wiley   +1 more source

Non-Hermitian Luttinger Liquids and Vortex Physics

open access: yes, 2003
As a model of two thermally excited flux liquids connected by a weak link, we study the effect of a single line defect on vortex filaments oriented parallel to the surface of a thin planar superconductor.
Affleck I.   +5 more
core   +1 more source

Compressibility of a two-dimensional hole gas in tilted magnetic field [PDF]

open access: yes, 2002
We have measured compressibility of a two-dimensional hole gas in p-GaAs/AlGaAs heterostructure, grown on a (100) surface, in the presence of a tilted magnetic field.
A.L. Efros   +20 more
core   +1 more source

Tilting Bundles on Rational Surfaces and Quasi-Hereditary Algebras [PDF]

open access: yesAnnales de l'Institut Fourier, 2014
Let X be any rational surface. We construct a tilting bundle T on X. Moreover, we can choose T in such way that its endomorphism algebra is quasi-hereditary. In particular, the bounded derived category of coherent sheaves on X is equivalent to the bounded derived category of finitely generated modules over a finite dimensional quasi-hereditary algebra ...
Hille, Lutz, Perling, Markus
openaire   +2 more sources

Transferrin receptor 1‐mediated iron uptake supports thermogenic activation in human cervical‐derived adipocytes

open access: yesFEBS Letters, EarlyView.
In this study, we found that human cervical‐derived adipocytes maintain intracellular iron level by regulating the expression of iron transport‐related proteins during adrenergic stimulation. Melanotransferrin is predicted to interact with transferrin receptor 1 based on in silico analysis.
Rahaf Alrifai   +9 more
wiley   +1 more source

Comprehensive Evaluation of Irradiance Transposition Models at High Temporal Resolution in Hot Desert Conditions

open access: yesIEEE Access
The tilted irradiance, or Plane-Of-Array (POA) irradiance, refers to the solar radiation that strikes a tilted surface, such as a photovoltaic (PV) panel. Accurate estimation of POA is essential for designing efficient solar systems and predicting energy
Abdul Wahab Ziaullah   +2 more
doaj   +1 more source

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