Results 41 to 50 of about 567,993 (282)

Statistical mechanics of thin spherical shells

, 2016
We explore how thermal fluctuations affect the mechanics of thin amorphous spherical shells. In flat membranes with a shear modulus, thermal fluctuations increase the bending rigidity and reduce the in-plane elastic moduli in a scale-dependent fashion ...
Kosmrlj, Andrej, Nelson, David R.
core   +2 more sources

Contribution of high-nl shells to electron-impact ionization processes

, 2015
The contribution to electron-impact ionization cross sections from excitations to high-nl shells and a consequent autoionization is investigated. We perform relativistic subconfiguration-average and detailed level-to-level calculations for this process ...
Gaigalas, G., Jonauskas, V., Kisielius, R., Kučas, S., Kynienė, A., Masys, Š., Merkelis, G., Radžiūtė, L., Rynkun, P.   +8 more
core   +1 more source

Numerical models of collisions between core-collapse supernovae and circumstellar shells [PDF]

, 2010
Recent observations of luminous Type IIn supernovae (SNe) provide compelling evidence that massive circumstellar shells surround their progenitors. In this paper we investigate how the properties of such shells influence the SN lightcurve by conducting ...
Allard Jan Van Marle, Aretxaga, Arnett, Bob Van Veelen, Chevalier, Chevalier, Chevalier, Chevalier, Chevalier, Chugai, Chugai, Chugai, Clark, Davidson, Dessart, Dwarkadas, Dyson, Falk, Filippenko, Fox, Fransson, Gal-Yam, Germany, Gezari, Hamuy, Hillier, Kasen, Kasen, Leonard, MacDonald, Matzner, Miller, Montes, Nathan Smith, Ofek, Owocki, Owocki, Owocki, Quimby, Salamanca, Schlegel, Smith, Smith, Smith, Smith, Smith, Smith, Smith, Smith, Smith, Smith, Smith, Smith, Smith, Smith, Stanley P. Owocki, Stone, Townsend, Trundle, Turatto, Van Dyk, Van Veelen, Whalen, Williams, Woosley, Young   +65 more
core   +2 more sources

Multi-Shell Hollow Nanogels with Responsive Shell Permeability [PDF]

Scientific Reports, 2016
Published by Nature Publishing Group ...
Schmid, Andreas J., Dubbert, Janine, Rudov, Andrey A., Pedersen, Jan Skov, Lindner, Peter, Karg, Matthias, Potemkin, Igor I., Richtering, Walter   +7 more
openaire   +5 more sources

HI shells in the outer Milky Way

, 2005
We present results of a method for an automatic search for HI shells in 3D data cubes and apply it to the Leiden-Dwingeloo HI survey of the northern Milky Way.
Ehlerova, S., Palous, J.
core   +1 more source

On the origin of the neutral hydrogen supershells: the ionized progenitors and the limitations of the multiple supernovae hypothesis [PDF]

, 2008
Here we address the question whether the ionized shells associated with giant HII regions can be progenitors of the larger HI shell-like objects found in the Milky Way and other spiral and dwarf irregular galaxies.
Brinks E., Comeron F., Efremov Y. N., Federico Elias, José Franco, Kim S., Mashchenko S. Y., Palous J., Rozas M., Sergiy Silich, Tenorio-Tagle G.   +10 more
core   +1 more source

Relativistic shells: Dynamics, horizons, and shell crossing [PDF]

, 2002
We consider the dynamics of timelike spherical thin matter shells in vacuum. A general formalism for thin shells matching two arbitrary spherical spacetimes is derived, and subsequently specialized to the vacuum case. We first examine the relative motion
A. Einstein, A. Ori, A. Papapetrou, C. Barrabès, D. Christodoulou, D. M. Eardley, D. Núñez, G. Lemaître, H. Bondi, I. H. Redmount, J. Frauendiener, K. Lake, K. Lanczos, L. Anchordoqui, M. Ishak, M. Visser, N. Sen, P. R. Brady, P. Szekeres, P. Yodzis, R. P. A. C. Newman, R.C. Tolman, S. M. C. V. Gonçalves, Sérgio M. C. V. Gonçalves, T. Dray, W. Israel, W. Israel, W. Israel   +27 more
core   +2 more sources

Multi Shell Model for Majumdar-Papapetrau Spacetimes [PDF]

, 2005
Exact solutions to static and non-static Einstein-Maxwell equations in the presence of extremely charged dust embedded on thin shells are constructed.
Gurses, Metin, Himmetoglu, Burak
core   +2 more sources

Structural biology of ferritin nanocages

FEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

Influence of Discretely Introduced Cutouts on the Buckling of Shallow Shells with Double Curvature [PDF]

Journal of Applied and Computational Mechanics
The paper analyzes the influence of cutouts on the buckling of shallow shells with double curvature. Based on the Timoshenko-Reissner hypothesis, a mathematical model is presented that considers transverse shifts, material orthotropy, geometric ...
Nikolai Mishurenko, Alexey Semenov
doaj   +1 more source