English
Related papers

Related papers: Compact dwarfs made of light-quark nuggets

200 papers

The interface effects of quark matter play important roles in the properties of compact stars and small nuggets such as strangelets and $ud$QM nuggets. By introducing a density derivative term to the Lagrangian density and adopting…

High Energy Physics - Phenomenology · Physics 2022-08-30 Cheng-Jun Xia , Jian-Feng Xu , Guang-Xiong Peng , Ren-Xin Xu

More than 20 years ago, Glendenning, Kettner and Weber proposed the existence of stable white dwarfs with a core of strange quark matter. More recently, by studying radial modes, Alford, Harris and Sachdeva concluded instead that those…

Solar and Stellar Astrophysics · Physics 2023-10-04 Francesco Di Clemente , Alessandro Drago , Prasanta Char , Giuseppe Pagliara

If the surface tension of quark matter is low enough, quark matter is not self bound. At sufficiently low pressure and temperature, it will take the form of a crystal of positively charged strangelets in a neutralizing background of…

Nuclear Theory · Physics 2015-06-03 Mark G. Alford , Sophia Han , Sanjay Reddy

This paper gives an overview of the properties of all possible equilibrium sequences of compact strange-matter stars with nuclear crusts, which range from strange stars to strange dwarfs. In contrast to their non-strange counterparts,…

Astrophysics · Physics 2007-05-23 F. Weber , Ch. Schaab , M. K. Weigel , N. K. Glendenning

We investigate the existence and stability of highly-compact sub-stellar objects composed of strange quark matter (SQM), focusing on finite-size strangelets with baryon number $A \leq 100$. Motivated by the emergence of mass--radius…

High Energy Astrophysical Phenomena · Physics 2026-05-19 Jonathan Joás Zapata Campos , Rodrigo Negreiros

White dwarfs are the remnants of stars not massive enough to become supernovae. This review explores the concept of strange dwarfs, a unique class of white dwarfs which contain cores of strange quark matter. Strange dwarfs have different…

Solar and Stellar Astrophysics · Physics 2024-12-06 Francesco Di Clemente , Alessandro Drago , Giuseppe Pagliara

In this thesis is studied three of the fundamental properties of clusters of matter made of quarks u, d and s called strangelets: the energy per baryon, the radius and the electric charge, all in the presence of intense magnetic fields and…

High Energy Physics - Phenomenology · Physics 2016-10-25 E. Lopez Fune , A. Perez Martinez

The ground state of matter may be strange quark matter (SQM), not hadronic matter. A whole sequence of SQM objects, ranging from strange quark stars and strange quark dwarfs to strange quark planets, can stably exist according to this SQM…

Solar and Stellar Astrophysics · Physics 2022-07-04 Abdusattar Kurban , Yong-Feng Huang , Jin-Jun Geng , Hong-Shi Zong

This paper gives an overview of the properties of all possible equilibrium sequences of compact strange-matter stars with nuclear crusts, which range from strange stars to strange dwarfs. In contrast to their non-strange counterparts,…

Astrophysics · Physics 2007-05-23 F. Weber , Ch. Schaab , M. K. Weigel , N. K. Glendenning

We investigated compact stars consisting of cold quark matter and fermionic dark matter treated as two admixed fluids. We computed the stellar structures and fundamental radial oscillation frequencies for different masses of the dark…

High Energy Physics - Phenomenology · Physics 2022-01-19 José C. Jiménez , Eduardo S. Fraga

We investigate the structure of strange dwarfs, modeled as hybrid compact stars composed of a self bound strange quark matter core surrounded by a white dwarf like crust, within a fully relativistic framework. Static configurations are…

Solar and Stellar Astrophysics · Physics 2026-02-06 Edson Otoniel , José D. V. Arbañil , Geanderson A. Carvalho , Fridolin Weber

Strange quark matter (SQM) is considered a possible true ground state of QCD at high densities. This idea motivates research on exotic compact objects and certain cosmic-ray phenomena. For instance, the remnant HESS J1731-347 contains a…

High Energy Physics - Phenomenology · Physics 2025-11-26 C. R. Das

The dynamical stability of strange-dwarf hybrid stars and strange planets, constituted by strange-quark-matter cores and dilute-nuclear-matter crusts, is revisited by analyzing the fundamental mode eigenfrequencies of the radial oscillation…

Nuclear Theory · Physics 2023-11-09 Victor P. Goncalves , Jose C. Jimenez , Lucas Lazzari

The stability and equation of state of quark matter are studied within both two-flavor and (2+1)-flavor Nambu-Jona-Lasinio (NJL) models including the vector interactions. With a free parameter $\alpha$, the Lagrangian is constructed by two…

Nuclear Theory · Physics 2022-06-22 Wen-Li Yuan , Ang Li , Zhiqiang Miao , Bingjun Zuo , Zhan Bai

Droplets of absolutely stable strange quark matter (strangelets) immersed in a lepton background may be the energetically preferred composition of strange star crusts and of the interior of a new class of stars known as strangelet dwarfs.…

Nuclear Theory · Physics 2021-04-13 G. Lugones , A. G. Grunfeld

Strange quark matter, which is composed of u, d, and s quarks, could be the true ground of matter. According to this hypothesis, compact stars may actually be strange quark stars, and there may even be stable strange quark dwarfs and…

High Energy Astrophysical Phenomena · Physics 2022-01-11 Xu Wang , Abudushataer Kuerban , Jin-Jun Geng , Fan Xu , Xiao-Li Zhang , Bing-Jun Zuo , Wen-Li Yuan , Yong-Feng Huang

If quark matter is energetically favored over nuclear matter at zero temperature and pressure then it has long been expected to take the form of strange quark matter (SQM), with comparable amounts of $u$, $d$, $s$ quarks. The possibility of…

High Energy Physics - Phenomenology · Physics 2018-06-06 Bob Holdom , Jing Ren , Chen Zhang

We investigate, at both zero and finite temperature, the properties of strangelets versus the electric charge Z and strangeness S. The strangelet radius is not a monotonic function of either charge or strangeness, and a minimum is reached…

High Energy Physics - Phenomenology · Physics 2007-06-13 X. J. Wen , G. X. Peng , Y. D. Chen

In this paper we consider the possibility that strange quark matter may be manifested in the form of strangelet crystal planets. These planet-like objects are made up of nuggets of strange quark matter (SQM), organized in a crystalline…

High Energy Astrophysical Phenomena · Physics 2020-04-08 Joás Zapata , Rodrigo Negreiros

The discoveries of anomalous compact objects challenge our understanding of the standard theory of stellar structures and evolution. They serve as an excellent laboratory to search for new physics. Earlier studies on spherically symmetric…

High Energy Astrophysical Phenomena · Physics 2022-12-21 H-S. Chan , M-C. Chu , S-C. Leung
‹ Prev 1 2 3 10 Next ›