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We study the interplay of flavor and dark matter phenomenology for models of flavored dark matter interacting with quarks. We allow an arbitrary flavor structure in the coupling of dark matter with quarks. This coupling is assumed to be the…

High Energy Physics - Phenomenology · Physics 2015-03-11 Prateek Agrawal , Monika Blanke , Katrin Gemmler

The nonzero strange quark mass effect in different types of single flavor color superconductivity and the phase diagram in a magnetic field are studied. We have obtained simple analytical forms of the quasi-particle energies for an…

Nuclear Theory · Physics 2015-05-30 Ping-ping Wu , Defu Hou , Hai-cang Ren

Some properties of magnetized two flavor color superconducting (2SC) cold dense quark matter under compact star conditions (COSC) are investigated within a $SU(2)_f$ Nambu Jona-Lasinio type model. We study the phase diagram for several…

High Energy Physics - Phenomenology · Physics 2018-07-06 M. Coppola , P. Allen , A. G. Grunfeld , N. N. Scoccola

We review the mechanisms via which an external magnetic field can affect the ground state of cold and dense quark matter. In the absence of a magnetic field, at asymptotically high densities, cold quark matter is in the Color-Flavor-Locked…

Nuclear Theory · Physics 2015-06-11 Efrain J. Ferrer , Vivian de la Incera

The color neutral two-flavor superconducting (2SC) phase of cold and dense quark matter is studied in the presence of constant magnetic fields and at moderate baryon densities. In the first part of the paper, a two-flavor effective…

High Energy Physics - Phenomenology · Physics 2011-08-17 Sh. Fayazbakhsh , N. Sadooghi

We consider theories where the dark matter particle carries flavor quantum numbers, and has renormalizable contact interactions with the Standard Model fields. The phenomenology of this scenario depends sensitively on whether dark matter…

High Energy Physics - Phenomenology · Physics 2015-03-19 Prateek Agrawal , Steve Blanchet , Zackaria Chacko , Can Kilic

Because the properties of the QCD phase transition and the chiral magnetic effect (CME) depend on the number of quark flavors ($N_{f}$) and quark mass, relativistic heavy-ion collisions provide a natural environment to investigate the…

Nuclear Theory · Physics 2018-03-15 Ling Huang , Chun-Wang Ma , Guo-Liang Ma

For quark matter studies in astrophysics the thermodynamic bag model (tdBAG) has been widely used. Despite its success it fails to account for various phenomena expected from Quantum-Chromo-Dynamics (QCD). We suggest a straightforward…

Nuclear Theory · Physics 2015-10-21 Thomas Klahn , Tobias Fischer

Contact interactions between sterile neutrinos and dark matter particles in a hidden sector have been suggested as a good solution to simultaneously resolve the dark matter problem and anomalies in neutrino experiments. In this non-standard…

Cosmology and Nongalactic Astrophysics · Physics 2018-12-26 Ilídio Lopes

The nucleation process of quark matter in cold (T = 0) stellar matter is investigated using the microscopic Brueckner-Hartree-Fock approach to describe the hadronic phase, and the MIT bag model, the Nambu-Jona-Lasinio, and the Chromo…

Nuclear Theory · Physics 2015-06-04 Domenico Logoteta , Constança Providência , Isaac Vidana , Ignazio Bombaci

In this work, we study interaction between dark energy and dark matter, where dark energy is described by a massive vector field, and dark matter is modelled as a fluid. We present a new interaction term, which affects only perturbations…

General Relativity and Quantum Cosmology · Physics 2024-11-04 Masroor C. Pookkillath , Kazuya Koyama

It is an intriguing possibility that dark matter (DM) could have flavor quantum numbers like the quarks. We propose and investigate a class of UV-complete models of this kind, in which the dark matter is in a scalar triplet of an SU(3)…

High Energy Physics - Phenomenology · Physics 2015-12-17 Bhubanjyoti Bhattacharya , James M. Cline , Alakabha Datta , Grace Dupuis , David London

We model magnetars as hybrid stars, which have a core of quark matter surrounded by hadronic matter. For this purpose, we use an extended version of the SU(3) non-linear realization of the sigma model in which the degrees of freedom change…

High Energy Astrophysical Phenomena · Physics 2015-06-11 V. Dexheimer , R. Negreiros , S. Schramm

We study the correlation length between test quarks with the same electric and color charges in the Nambu--Jona-Lasinio model, considering thermal and magnetic effects. We extract the correlation length from the quark correlation function.…

High Energy Physics - Phenomenology · Physics 2017-08-16 Alejandro Ayala , L. A. Hernandez , M. Loewe , Alfredo Raya , J. C. Rojas , R. Zamora

Based on an extended NJL model including heavy quark flavors, we calculate the form factors of pseudo-scalar and vector mesons. After take into account of the vector-meson-dominance effect which introduce a form factor correction to the…

High Energy Physics - Phenomenology · Physics 2015-09-24 Yi-Long Luan , Xiao-Lin Chen , Wei-Zhen Deng

The chiral model is used to describe quark matter under strong magnetic fields and compared to other models, the MIT bag model and the two flavors Nambu-Jona-Lasinio model. The effect of vacuum corrections due to the magnetic field is…

Nuclear Theory · Physics 2011-05-13 Aziz Rabhi , Constança Providência

We have discussed dynamical behavior of strange quark matter components, in particular the effects of density dependent quark mass on the equation of state of strange quark matter. Dynamical masses of quarks have been computed within…

Solar and Stellar Astrophysics · Physics 2015-06-03 G. H. Bordbar , B. Ziaei

We apply the light-front quantization to the Nambu--Jona-Lasinio model with the vector interaction, and compute vector meson's mass and light-cone wavefunction in the large N limit. Following the same procedure as in the previous analyses…

High Energy Physics - Phenomenology · Physics 2010-04-05 K. Naito , S. Maedan , K. Itakura

We study the role of finite-size effects at the hadron-quark phase transition in a new hybrid equation of state constructed from an ab-initio Br\"uckner-Hartree-Fock equation of state with the realistic Bonn-B potential for the hadronic…

High Energy Astrophysical Phenomena · Physics 2014-06-25 N. Yasutake , R. Lastowiecki , S. Benic , D. Blaschke , T. Maruyama , T. Tatsumi

We investigate the ground state energies of vector $\rho^{\pm}$ and $K^{\pm *}$ mesons depending on the magnetic field value in the $SU(3)$ lattice gauge theory. It has been shown that the energy of a vector particle depends on its spin…

High Energy Physics - Lattice · Physics 2017-10-25 E. V. Luschevskaya , O. E. Solovjeva , O. V. Teryaev