Pasta Structures of Quark-Hadron Phase Transition in Proto-Neutron Stars

Details Pasta Structures of Quark-Hadron Phase Transition in Proto-Neutron Stars Pasta Structures of Quark-Hadron Phase Transition in Proto-Neutron Stars

2010-10-27

arxiv.org/abs/1010.5631v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

6 pages, 3 figures, INPC 2010, will be published in "Journal of Physics: Conference Series (JPCS)"

Scientific paper

We study the quark-hadron mixed phase in proto-neutron stars with the finite-size effects. In the calculations of pasta structures appeared in the mixed phase, the Gibbs conditions require the pressure balance and chemical equilibrium between two phases besides the thermal equilibrium. We find that the region of the mixed phase is limited due to thermal instability. Moreover, we study the effects of neutrinos to the pasta structures. As a result, we find that the existence of neutrinos make the pasta structures unstable, too. These characteristic features of the hadron-quark mixed phase should be important for the middle stage of the evolutions of proto-neutron stars.

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