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Three Dimensional QCD Phase Diagrams /

Aryal, Krishna P.,

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Three Dimensional QCD Phase Diagrams /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Three Dimensional QCD Phase Diagrams // Krishna P Aryal.
作者:	Aryal, Krishna P.,
面頁冊數:	1 electronic resource (137 pages)
附註:	Source: Dissertations Abstracts International, Volume: 85-11, Section: B.
Contained By:	Dissertations Abstracts International85-11B.
標題:	Physics. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31312353
ISBN:	9798382324074

Three Dimensional QCD Phase Diagrams /
Aryal, Krishna P.,

Three Dimensional QCD Phase Diagrams /Krishna P Aryal. - 1 electronic resource (137 pages)

Source: Dissertations Abstracts International, Volume: 85-11, Section: B.

This dissertation investigates the phase transitions from hadron to quark matter under non-equilibrium chemical conditions using the Chiral Mean Field (CMF) model, with a specific focus on the role of net strangeness and variations in charge and isospin fractions. By constructing detailed three-dimensional quantum chromodynamics (QCD) phase diagrams, this study elucidates how these factors influence chemical potentials, temperature, and the deconfinement process in environments similar to those found in protoneutron stars, binary neutron-star mergers, and heavy-ion collisions. The analysis reveals how these conditions impact the location of the critical endpoint, where the phase transition shifts from a first-order change to a crossover.Further exploration within this research addresses the significant impact of net strangeness on high-energy astrophysical phenomena, such as supernova explosions, neutron stars, and compact-star mergers. This work integrates recent theoretical developments in QCD critical points to provide a comprehensive overview of how non-equilibrium chemical conditions, particularly with respect to leptons, affect the deconfinement transition, narrowing the region of phase coexistence as observed in the interiors of cold catalyzed neutron stars. The findings emphasize the importance of including hyperons and strange quarks in theoretical models to better understand the complex nature of dense matter under extreme conditions. This dissertation contributes valuable insights into the dynamics of phase transitions in dense astrophysical objects, significantly advancing the field of high-energy astrophysics.

English

ISBN: 9798382324074Subjects--Topical Terms:

516296
Physics.
Subjects--Index Terms:

Quantum chromodynamics

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520 $a This dissertation investigates the phase transitions from hadron to quark matter under non-equilibrium chemical conditions using the Chiral Mean Field (CMF) model, with a specific focus on the role of net strangeness and variations in charge and isospin fractions. By constructing detailed three-dimensional quantum chromodynamics (QCD) phase diagrams, this study elucidates how these factors influence chemical potentials, temperature, and the deconfinement process in environments similar to those found in protoneutron stars, binary neutron-star mergers, and heavy-ion collisions. The analysis reveals how these conditions impact the location of the critical endpoint, where the phase transition shifts from a first-order change to a crossover.Further exploration within this research addresses the significant impact of net strangeness on high-energy astrophysical phenomena, such as supernova explosions, neutron stars, and compact-star mergers. This work integrates recent theoretical developments in QCD critical points to provide a comprehensive overview of how non-equilibrium chemical conditions, particularly with respect to leptons, affect the deconfinement transition, narrowing the region of phase coexistence as observed in the interiors of cold catalyzed neutron stars. The findings emphasize the importance of including hyperons and strange quarks in theoretical models to better understand the complex nature of dense matter under extreme conditions. This dissertation contributes valuable insights into the dynamics of phase transitions in dense astrophysical objects, significantly advancing the field of high-energy astrophysics.
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653 $a High-energy physics
653 $a Neutron stars
653 $a Strangeness in neutron stars
653 $a Chiral Mean Field model
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690 $a 0596
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