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Related papers: Inhomogeneous nucleation in quark hadron phase tra…

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We investigate a new mechanism for the cosmological QCD phase transition: inhomogeneous nucleation. The primordial temperature fluctuations, measured to be $\delta T/T \sim 10^{-5}$, are larger than the tiny temperature interval, in which…

High Energy Physics - Phenomenology · Physics 2009-10-31 J. Ignatius , Dominik J. Schwarz

We analyze the effect of primordial density perturbations on the cosmic QCD phase transition. According to our results hadron bubbles nucleate at the cold perturbations. We call this mechanism inhomogeneous nucleation. We find the typical…

Astrophysics · Physics 2007-05-23 J. Ignatius , Dominik J. Schwarz

We examine the first-order cosmological QCD phase transition for a large class of parameter values, previously considered unlikely. We find that the hadron bubbles can nucleate at very large distance scales, they can grow as detonations as…

High Energy Physics - Phenomenology · Physics 2009-10-28 J. Ignatius , K. Kajantie , H. Kurki-Suonio , M. Laine

We analyze a new mechanism for the cosmological QCD first-order phase transition: inhomogeneous nucleation. The primordial temperature fluctuations are larger than the tiny temperature interval, in which bubbles would form in the standard…

High Energy Physics - Phenomenology · Physics 2017-08-23 J. Ignatius , Dominik J. Schwarz

The quark-hadron phase transition in the early universe can produce inhomogeneities in the distribution of nucleons, which in turn affect the primordial nucleosynthesis. In all the investigations of this problem it has been assumed that the…

Astrophysics · Physics 2009-10-22 B. Banerjee , R. V. Gavai

The possibility of a hadron-quark phase transition in extreme astrophysical phenomena such as the collapse of a supernova is not discarded by the modern knowledge of the high-energy nuclear and quark-matter equations of state. Both the…

High Energy Physics - Phenomenology · Physics 2014-11-20 B. W. Mintz , E. S. Fraga , J. Schaffner-Bielich , G. Pagliara

In the model of a first order quark-gluon/hadron phase transition in which the hadronic phase is considered as vacuum bubbles growing in the quark-gluon background with chiral symmetry broken inside the bubble, we find the estimate for the…

High Energy Physics - Phenomenology · Physics 2009-10-28 L. Burakovsky

We investigate the dynamics of a first-order quark-hadron transition via homogeneous thermal nucleation in the two-flavor quark-meson model. The contribution of the fermionic vacuum loop in the effective thermodynamics potential and phase…

High Energy Physics - Phenomenology · Physics 2024-04-03 Junrong Wang , Ziwan Yu , Hong Mao

We study the nucleation of a quark gluon plasma (QGP) phase in a hadron gas at low temperatures and high baryon densities. This kind of process will presumably happen very often in nuclear collisions at FAIR and NICA. When the appropriate…

High Energy Physics - Phenomenology · Physics 2016-05-18 D. A. Fogaça , S. M. Sanches , R. Fariello , F. S. Navarra

We study the dynamics of first-order cofinement-deconfinement phase transition through nucleation of hadronic bubbles in an expanding quark gluon plasma in the context of heavy ion collisions for interacting quark and hadron gas and by…

High Energy Physics - Phenomenology · Physics 2009-11-10 Deepak Chandra , Ashok Goyal

We discuss an outside-inside scenario for a first order quark-hadron transition in the Quark-Gluon Plasma (QGP) expected to be produced in heavy ion collisions, wherein the entire QGP region itself becomes like a subcritical bubble, and…

High Energy Physics - Phenomenology · Physics 2009-10-30 Sanatan Digal , Ajit M. Srivastava

Baryon number inhomogeneities may be generated during the epoch when the baryon asymmetry of the universe is produced, e.g. at the electroweak phase transition. The regions with excess baryon number will have a lower temperature than the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Soma Sanyal

We investigate the dynamics of a strong first-order quark-hadron transition driven by cubic interaction via homogeneous bubble nucleation in the Friedberg-Lee model. The one-loop effective thermodynamics potential of the model and the…

High Energy Physics - Phenomenology · Physics 2021-03-22 Shuying Zhou , Song Shu , Hong Mao

The effect of a sharp front separating the quark-gluon plasma phase from the hadronic phase is investigated. Energy-momentum conservation and baryon number conservation constrain the possible temperature jump across the front. If one…

High Energy Physics - Phenomenology · Physics 2010-11-01 N. Bilic , J. Cleymans , K. Redlich , E. Suhonen

Consequences of the constraint of SU(3) colour singletness of quark-gluon plasma are studied. This restriction increases the free energy barrier for the formation of hadronic bubble in supercooled phase and influences significantly the…

Nuclear Theory · Physics 2011-07-19 M. G. Mustafa , D. K. Srivastava , B. Sinha

We quantize subcritical bubbles which are formed in the weakly first order phase transition. We find that the typical size of the thermal fluctuation reduces in the quantum-statistical physics. We estimate the typical size and the amplitude…

High Energy Physics - Phenomenology · Physics 2009-10-28 Tomoko Uesugi , Masahiro Morikawa , Tetsuya Shiromizu

We review recent lattice QCD results for the surface tension at the finite temperature quark-hadron phase transition and discuss their implications on the possible scale of inhomogeneities. In the quenched approximation the average distance…

Astrophysics · Physics 2009-10-22 A. A. Coley , T. Trappenberg

It is entirely plausible that during the primordial quark-hadron transition, microseconds after the Big Bang, the universe may experience supercooling accompanied by mini inflation leading to a first-order phase transition from quarks to…

General Physics · Physics 2020-05-13 Bikash Sinha

Within first-order phase transitions, we investigate the pre-transitional effects due to the nonperturbative, large-amplitude thermal fluctuations which can promote phase mixing before the critical temperature is reached from above. In…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. K. Mohanty , P. Shukla , Marcelo Gleiser

Standard calculations of cosmological first-order phase transitions usually assume critical bubbles to nucleate on a homogeneous symmetric vacuum background. However, this assumption can fail in weak transitions, where thermal fluctuations…

High Energy Physics - Phenomenology · Physics 2026-05-26 Guangshang Chen , Yang Xiao , Jin Min Yang , Yang Zhang
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