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Physics and Astrophysics of Strange Quark Matter

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arxiv astro-ph/9809032 v1 pith:4FEHKYFO submitted 1998-09-03 astro-ph hep-phnucl-th

classification astro-phhep-phnucl-th
keywords matterquarkstrangephysicsastrophysicscosmicformationheavy-ion
verification ladder T0 review T1 audit T2 compute T3 formal
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3-flavor quark matter (strange quark matter; SQM) can be stable or metastable for a wide range of strong interaction parameters. If so, SQM can play an important role in cosmology, neutron stars, cosmic ray physics, and relativistic heavy-ion collisions. As an example of the intimate connections between astrophysics and heavy-ion collision physics, this Chapter gives an overview of the physical properties of SQM in bulk and of small-baryon number strangelets; discusses the possible formation, destruction, and implications of lumps of SQM (quark nuggets) in the early Universe; and describes the structure and signature of strange stars, as well as formation and detection of strangelets in cosmic rays. It is concluded, that astrophysical and laboratory searches are complementary in many respects, and that both should be pursued to test the intriguing possibility of a strange ground state for hadronic matter, and (more generally) to improve our knowledge of the strong interactions.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Is the coexistence of strange quark stars and hadronic stars favored by astrophysical data? A Bayesian analysis

    nucl-th 2026-06 unverdicted novelty 6.0 of 10

    Bayesian analysis of astrophysical and laboratory data favors the two-families scenario of coexisting hadronic and strange quark stars over the one-family scenario.

  2. Microscopic composite systems bound by strong gravity in extra dimensions as candidates for dark matter

    hep-ph 2025-01 reject novelty 6.0 of 10

    Standard Model particles could form small, gravitationally bound 'nuggets' in the ADD model with extra dimensions, and these nuggets could constitute dark matter.

  3. Gravitational wave echoes as probes of the maximum mass of strange stars in quadratic curvature-matter coupled gravity

    gr-qc 2026-07 reject novelty 5.0 of 10

    In f(R+αR²,T) gravity with tuned parameters, MIT-bag strange stars can exceed the compactness needed for photon spheres and would produce kHz gravitational-wave echoes.

  4. Interacting quark matter and $f(Q)$ gravity: A new paradigm in exploring the properties of quark stars

    gr-qc 2024-12 reject novelty 3.0 of 10

    Exact quark star solutions in linear f(Q) gravity with an interacting quark matter equation of state yield 1.8 to 2.1 solar mass stars, but the f(Q) setup is equivalent to general relativity and the observed-radius ma...

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