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Start Over Coverage 25-27

4. Jak uniknout Goldstoneovu teorému: Přednáška u příležitosti udělení Nobelovy ceny za fyziku za rok 2013

Creator:
Higgs, Peter W. and Gregora, Ivan
Format:
print, bez média, and svazek
Type:
model:article and TEXT
Subject:
fyzika, physics, 6, and 53
Language:
Czech
Description:
The 2013 Nobel Prize for Physics was shared by François Englert and Peter Higgs. The presented articles show the text of the address given in during the award ceremony., Peter W. Higgs ; přeložil Ivan Gregora., and Obsahuje seznam literatury
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

5. On the instability time scale of the outflow associated with the HH 7-11 chain

Creator:
Silvestro, G., Busso, M., Persi, P., Robberto, M., and Scaltriti, F.
Format:
bez média and svazek
Type:
model:article and TEXT
Subject:
astronomical measurements, instability time scale, and HH 7-11 system
Language:
Czech
Description:
We investigate the conditions for development of Kelvin-Helmoltz instabilities along a collimated wind flow from a low-mass star surrounded by a dense circumstellar disk, which could give rise to condensations with the characteristics of the chain of HH knots in the HH 7-11 system. The flow, using the observational parameters of the source, turns out to be clearly unstable. We give a simple estimate of the instability time scale, which turns out to be in good agreement with the characteristic time of development for outflows from low-mass young stellar objects.
Rights:
http://creativecommons.org/publicdomain/mark/1.0/ and policy:public