Results 21 to 30 of about 2,480,958 (301)

Aspherical Supernova Shock Breakout and the Observations of Supernova 2008D [PDF]

open access: yes, 2010
Shock breakout is the earliest, readily-observable emission from a core-collapse supernova explosion. Observing supernova shock breakout may yield information about the nature of the supernova shock prior to exiting the progenitor and, in turn, about the
Almgren   +38 more
core   +2 more sources

Suspended liquid particle disturbance on laser-induced blast wave and low density distribution [PDF]

open access: yes, 2017
The impurity effect of suspended liquid particles on the laser-induced gas breakdown was experimentally investigated in quiescent gas. The focus of this study is the investigation of the influence of the impurities on the shock wave structure as well as ...
Dewey J. M.   +8 more
core   +1 more source

Effects of a Local Interstellar Magnetic Field on Voyager 1 and 2 Observations [PDF]

open access: yes, 2006
We show that that an interstellar magnetic field can produce a north/south asymmetry in solar wind termination shock. Using Voyager 1 and 2 measurements, we suggest that the angle $\alpha$ between the interstellar wind velocity and magnetic field is $30^{
Edward C. Stone   +5 more
core   +4 more sources

Entanglement negativity in the multiverse

open access: yes, 2014
We explore quantum entanglement between two causally disconnected regions in the multiverse. We first consider a free massive scalar field, and compute the entanglement negativity between two causally separated open charts in de Sitter space.
Kanno, Sugumi   +2 more
core   +1 more source

On imploding cylindrical and spherical shock waves in a perfect gas [PDF]

open access: yes, 2006
The problem of a cylindrically or spherically imploding and reflecting shock wave in a flow initially at rest is studied without the use of the strong-shock approximation.
Hornung, H. G.   +3 more
core   +1 more source

Uncertainty Shocks are Aggregate Demand Shocks [PDF]

open access: yesFederal Reserve Bank of San Francisco, Working Paper Series, 2012
Abstract Search frictions in the labor market give rise to a new option-value channel through which uncertainty affects aggregate economic activity, and the effects of which are reinforced by the presence of nominal rigidities. With these features, an increase in uncertainty resembles an aggregate demand shock because it increases unemployment and ...
Sylvain Leduc, Zheng Liu
openaire   +3 more sources

Shock wave velocity and shock pressure for low density powders: A novel approach [PDF]

open access: yes, 1994
A novel approach is presented to predict the shock wave velocity as well as the shock wave pressure in powder materials. It is shown that the influence of the specific volume behind the shock wave on shock wave velocity and shock pressure decreases with ...
D. K. Dijken   +2 more
core   +2 more sources

Universal hydrodynamic flow in holographic planar shock collisions [PDF]

open access: yes, 2015
We study the collision of planar shock waves in AdS$_5$ as a function of shock profile. In the dual field theory the shock waves describe planar sheets of energy whose collision results in the formation of a plasma which behaves hydrodynamically at late ...
Chesler, Paul M.   +2 more
core   +6 more sources

Adjunctive Therapeutic Plasma Exchange in Refractory Adult‐Onset Still's Disease Complicated by Secondary Macrophage Activation Syndrome: A Single‐Center Experience

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Adult‐onset Still's disease (AOSD) complicated by macrophage activation syndrome (MAS) carries substantial mortality. The role of therapeutic plasma exchange (TPE) remains uncertain. Methods We retrospectively analyzed patients with AOSD‐MAS treated with TPE at a single‐center.
Masataka Ueda   +15 more
wiley   +1 more source

An upstream open reading frame regulates expression of the mitochondrial protein Slm35 and mitophagy flux

open access: yesFEBS Letters, EarlyView.
This study reveals how the mitochondrial protein Slm35 is regulated in Saccharomyces cerevisiae. The authors identify stress‐responsive DNA elements and two upstream open reading frames (uORFs) in the 5′ untranslated region of SLM35. One uORF restricts translation, and its mutation increases Slm35 protein levels and mitophagy.
Hernán Romo‐Casanueva   +5 more
wiley   +1 more source

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