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Neutron stars cast light on quark matter 5nvklj





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Neutron stars cast light on quark matter

Dragon
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Neutron stars cast light on quark matter Empty Neutron stars cast light on quark matter

Post by Dragon Tue Jun 19, 2018 7:57 pm

Quark matter – an extremely dense phase of matter made up of subatomic particles called quarks – may exist at the heart of neutron stars. It can also be created for brief moments in particle colliders on Earth, such as CERN's Large Hadron Collider. But the collective behaviour of quark matter isn't easy to pin down. In a colloquium this week at CERN, Aleksi Kurkela from CERN's Theory department and the University of Stavanger, Norway, explained how neutron-star data have allowed him and his colleagues to place tight bounds on the collective behaviour of this extreme form of matter.

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Neutron stars cast light on quark matter 334pu7m
Dragon
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Neutron stars cast light on quark matter Empty Re: Neutron stars cast light on quark matter

Post by Dragon Tue Jun 19, 2018 7:58 pm

Neutron stars cast light on quark matter Neutronstars
Credit: University of Warwick/Mark Garlick

Artist’s impression of the merger of two neutron stars.

Source / Image Courtesy


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Neutron stars cast light on quark matter 334pu7m
Dragon
Dragon
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Neutron stars cast light on quark matter Empty Re: Neutron stars cast light on quark matter

Post by Dragon Tue Jun 19, 2018 7:59 pm



This visualization shows the coalescence of two orbiting neutron stars. The left panel contains a visualization of the matter of the neutron stars.

The different coloured layers are different densities, which have been made transparent to show more structure. The right panel shows how space-time is distorted near the collisions.

The spiral wave distortions at the end of the merger propagate to Earth and are measured as gravitational waves


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Neutron stars cast light on quark matter 334pu7m
Dragon
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Neutron stars cast light on quark matter Empty Re: Neutron stars cast light on quark matter

Post by Dragon Tue Jun 19, 2018 8:01 pm



Armed with state-of-the-art supercomputer models, scientists have shown that colliding neutron stars can produce the energetic jet required for a gamma-ray burst.

Now, the simulations reveal the middle step of the process--how the merging stars' magnetic field organizes itself into outwardly directed components capable of forming a jet.


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Neutron stars cast light on quark matter 334pu7m

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