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Hadron--quark mixed phase is expected in a wide region of the inner structure of hybrid stars. However, we show that the hadron--quark mixed phase should be restricted to a narrower region to because of the charge screening effect. The…

Solar and Stellar Astrophysics · Physics 2011-07-04 Tomoki Endo

The phase transition of hadronic to quark matter at high baryon and isospin density is analyzed. Relativistic mean field models are used to describe hadronic matter, and the MIT bag model is adopted for quark matter. The boundaries of the…

Nuclear Theory · Physics 2011-02-28 M. Di Toro , B. Liu , V. Greco , V. Baran , M. Colonna , S. Plumari

Final-state interaction and screening have a great influence on $q \bar q$ production cross sections, which are important quantities in many problems in quark-gluon plasma physics. They lead to an enhancement of the cross section for a $q…

High Energy Physics - Phenomenology · Physics 2022-02-23 Cheuk-Yin Wong , Lali Chatterjee

The partition function of the Hubbard model with local attraction and long range Coulomb repulsion between electrons is written as a functional integral with an action $A$ involving a pairing field $\Delta$ and a local potential $V$. After…

Condensed Matter · Physics 2009-10-28 Massimiliano Capezzali , Daniel Ariosa , Hans Beck

We analyze the combined effect of the long range Coulomb (LRC) interaction and of surface energy on first order density-driven phase transitions in the presence of a compensating rigid background. We study mixed states formed by regions of…

Strongly Correlated Electrons · Physics 2009-10-31 J. Lorenzana , C. Castellani , C. Di Castro

We develop our previous study of the transition to deconfined quark phase in neutron stars, including the interaction in the quark equation of state to the leading order in the perturbative expansion within the confinement density-dependent…

Solar and Stellar Astrophysics · Physics 2015-06-24 A. Li , W. Zuo , G. -X. Peng

We study the mean-field theory of charge-density wave (CDW) order in a layered system, including the effect of the long-range Coulomb interaction and of screening by uncondensed electrons. We particularly focus on the conditions necessary…

Superconductivity · Physics 2009-11-11 Stuart E. Brown , Eduardo Fradkin , Steven A. Kivelson

We study the hadron-quark mixed phase, which may occur in the interior of neutron stars. The relativistic mean-field model is employed to describe the hadronic phase, while the Nambu--Jona-Lasinio model is used for the quark phase. We…

Nuclear Theory · Physics 2019-06-20 X. H. Wu , H. Shen

We compute the Coulomb interaction energy of dense sets of static quarks in a compact volume (much smaller than the lattice volume) containing one quark per lattice site. The quark color charges are combined into either a set of three-quark…

High Energy Physics - Lattice · Physics 2019-08-14 Jeff Greensite , Evan Owen

Electromagnetic field produced in high-energy heavy-ion collisions contains much useful information, because the field can be directly related to the motion of the matter in the whole stage of the reaction. One can divide the total…

Nuclear Theory · Physics 2009-10-31 T. Osada , Y. Hama

Possibility of structured mixed phase at first order phase transitions is examined by taking into account of charge screening and surface effects. Hadron-quark phase transition in dense neutron star interiors is considered as a concrete…

Nuclear Theory · Physics 2015-06-26 T. Tatsumi , M. Yasuhira , D. N. Voskresensky

Screening of the electric field of a test charge by monolayer and double-layer composite fermion systems is considered. It is shown that the electric field of the test charge is partly screened at distances much large then the magnetic…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 D. V. Fil

Quest for a new form of matter inside compact stars compels us to examine the thermodynamical properties of the phase transitions. We closely consider the first-order phase transitions and the phase equilibrium on the basis of the Gibbs…

Nuclear Theory · Physics 2011-07-13 Toshitaka Tatsumi , Nobutoshi Yasutake , Toshiki Maruyama

We explore the possibility of a structured hadron-quark mixed phase forming in the interior of neutron stars. The quark-meson coupling (QMC) model, which explicitly incorporates the internal quark structure of the nucleon, is employed to…

Nuclear Theory · Physics 2021-03-03 Min Ju , Xuhao Wu , Fan Ji , Jinniu Hu , Hong Shen

Due to its unique structure, graphene provides a condensed-matter model of particle physics phenomena. One is the critical charge which is highly interested. The investigation of critical charge in gapped graphene is performed within single…

Strongly Correlated Electrons · Physics 2017-04-26 A. A. Novoselov , O. V. Pavlovsky

In this report we propose that a charge rearrangement within heavy ions may occur during fusion reactions, lowering the Coulomb barrier as the nuclear systems approach each other. In this situation a modified Gamow factor has been…

Nuclear Theory · Physics 2007-05-23 B. Toledo , J. Rogan , C. Tenreiro , J. Valdivia

We discuss the isospin effect on the possible phase transition from hadronic to quark matter at high baryon density and finite temperatures. The two-Equation of State (Two-EoS) model is adopted to describe the hadron-quark phase transition…

Nuclear Theory · Physics 2016-09-21 Massimo Di Toro , Maria Colonna , Vincenzo Greco , Guo-Yun Shao

In a magnetic multilayer, magnetizations can be manipulated by spin transfer torque. Both spin transfer torque and its reciprocal effect, spin pumping, are governed by spin mixing conductance. The magnitude of spin mixing conductance at the…

Mesoscale and Nanoscale Physics · Physics 2021-12-15 Adam B. Cahaya , Muhammad Aziz Majidi

Charge separation is an important consequence of the Chiral Magnetic Effect. Within the framework of a multi-phase transport model, the effects of final state interactions on initial charge separation are studied. We demonstrate that charge…

Nuclear Theory · Physics 2015-03-17 Guo-Liang Ma , Bin Zhang

The transition from hadronic matter to quark matter in the core of neutron stars is likely to be associated with the appearance of a mixed phase, leading to a smooth variation of the star density profile. We discuss the results of a…

Astrophysics · Physics 2009-11-10 Omar Benhar , Roberto Rubino