Results 31 to 40 of about 3,412,277 (344)

Contact interaction of metal melts with fullerite and graphite

open access: yesJournal of Materials Research and Technology, 2020
Comparative studies of contact interactions of Fe, Ni, Cu melts with graphite and fullerite were performed using a sessile drop method, X-ray analysis and metallographic analysis.
R.M. Nikonova, V.V. Lad`yanov
doaj   +1 more source

Hyperon-nucleon interaction and baryonic contact terms in SU(3) chiral effective field theory

open access: yes, 2013
In this proceeding we summarize results for baryonic contact terms derived within SU(3) chiral effective field theory. The four-baryon contact terms, necessary for the description of the hyperon-nucleon interaction, include SU(3) symmetric and explicit ...
Petschauer, Stefan
core   +1 more source

Asymptotic expansions of the contact angle in nonlocal capillarity problems [PDF]

open access: yes, 2016
We consider a family of nonlocal capillarity models, where surface tension is modeled by exploiting the family of fractional interaction kernels $|z|^{-n-s}$, with $s\in(0,1)$ and $n$ the dimension of the ambient space.
Dipierro, Serena   +2 more
core   +4 more sources

The Birman-Schwinger Operator for a Parabolic Quantum Well in a Zero-Thickness Layer in the Presence of a Two-Dimensional Attractive Gaussian Impurity

open access: yesFrontiers in Physics, 2019
In this note we consider a quantum mechanical particle moving inside an infinitesimally thin layer constrained by a parabolic well in the x-direction and, moreover, in the presence of an impurity modeled by an attractive Gaussian potential.
Sergio Albeverio   +7 more
doaj   +1 more source

Modeling of contact interaction of a heated plane rigid elliptical punch with a transversally isotropic elastic half-space

open access: yesSistemnì Doslìdženâ ta Informacìjnì Tehnologìï, 2020
On the base of a rigorous mathematical model, the problem of the contact interaction of a heated flat punch of an elliptical section with a transversely isotropic elastic half-space is investigated.
Vitaly S. Kirilyuk   +3 more
doaj   +1 more source

Spin current in an electron waveguide tunnel-coupled to topological insulator

open access: yes, 2012
We show that electron tunneling from edge states in two-dimensional topological insulator into a parallel electron waveguide leads to the appearance of spin-polarized current in the waveguide.
Sablikov, Vladimir A.   +1 more
core   +1 more source

Subleading contributions to the three-nucleon contact interaction [PDF]

open access: yes, 2014
We obtain a minimal form of the two-derivative three-nucleon contact Lagrangian, by imposing all constraints deriving from discrete symmetries, Fierz identities and Poincare' covariance.
Girlanda, L., Kievsky, A., Viviani, M.
core   +2 more sources

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

A volume of fluid method for simulating fluid/fluid interfaces in contact with solid boundaries

open access: yes, 2015
In this paper, we present a novel approach to model the fluid/solid interaction forces in a direct solver of the Navier-Stokes equations based on the volume of fluid interface tracking method.
Afkhami, Shahriar   +2 more
core   +1 more source

Mapping the evolution of mitochondrial complex I through structural variation

open access: yesFEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin   +2 more
wiley   +1 more source

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