Strange Matter/Quark Star Matter/Strange Star Matter and Stranglets

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SUMMARY

The discussion centers on the complexities of strange matter, specifically strange stars and strangelets. Participants critique the accuracy of popular encyclopedic entries, noting that descriptions of strange stars as "gigantic nucleons" are misleading and not scientifically rigorous. The conversation highlights the speculative nature of current theories regarding strange stars and the need for more precise observational data. Additionally, the method of strangelet production through "strangelet distillation" is mentioned as an area of interest.

PREREQUISITES
  • Understanding of neutron stars and their properties
  • Familiarity with nucleon concepts and isospin symmetry
  • Knowledge of entropy in astrophysical contexts
  • Basic principles of X-ray astronomy
NEXT STEPS
  • Research "strangelet distillation" and its implications in particle physics
  • Explore the latest theories on strange stars and their formation
  • Study the observational techniques used in X-ray astronomy for identifying celestial objects
  • Investigate the role of protons in neutron stars and their relevance to isospin symmetry
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Astronomers, astrophysicists, and students interested in advanced topics in stellar physics and the properties of exotic matter.

Mk
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http://www.wordiq.com/definition/Strange_matter

Hmmm... what do you think? Know anything about it?
 
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Physics news on Phys.org
strange fusion

a strange star would be hotter not cooler than a neutron star due to entropy
 
I think this encyclopedia is not intended to scientists. It is intended to a large public, and as such it is precise enough. I also think it has not been written by non-scientists (at least not by experts/specialists) which result in :
1 obviously they copied/past large parts, because they could not write everything by themselves and did not take time to reformulate. Some parts might be in there even though none of the co-authors precisely knows what they mean. Besides, one just has to compare with other encyclopedia to notice suspicious ressemblances.
2 some statements look unprecise :
wordiq said:
a strange star is essentially a single gigantic nucleon.
This is strictly incorrect : when one refers to "nucleon" it is usually in a context where protons and neutrons are (approximatively) related by isospin and one is working at the nuclear scale or smaller. The fact that a neutron star is such a huge object has consequences on the correlations between the constituents. So many of the collected properties of the nucleon do not apply to the neutron star. Besides, once the neutron star is formed, what could be the role of protons ? (and thus what is the use of isospin symmetry ?). But the statement quoted above is correct enough for the non-specialist.
 
Casuality, i was just reading about a method of production of strangelets called strangelet distillation. what do you think?
http://www.th.physik.uni-frankfurt.de/~gerland/stoecker/ger/node28.html
 
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The identification of those two X-ray objects as 'strange stars' is far from secure ... not only is the theory of such stars still rather speculative (the physics of neutron stars surely still has some surprises; the physics of strange stars - if they are possible within existing theories at all - will likely need another decade to get the wrinkles ironed out), but the observations certainly aren't precise enough to require an object too small, hot/cold, and massive to be a neutron star (or black hole).
 
What does the "Science Expert" mean, Nereid?
 
Mk said:
What does the "Science Expert" mean, Nereid?
This thread - Medals, from Monday this week, may explain it better than I could.
 

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