16,777 research outputs found
Confinement of fermions in tachyon matter
In this paper we develop a phenomenological model inspired by QCD that mimics
QCD theory. We use gauge theory in color dielectric medium () coupled
with fermion fields to produce scalar and vector confinement in chromoelectric
flux tube scenario. Abelian theory will be used to approximate the non-Abelian
QCD theory in a consistent manner. We will calculate vector and scalar
glueballs and compare the result to the existing simulation and experimental
results and projections. The QCD-like vacuum associated with the model will be
calculated and its behavior studied relative to changing quark masses. We will
also comment on the relationship between tachyon condensation, dual Higgs
mechanism, QCD monopole condensation and their association with confinement.
The behavior of the QCD string tension obtained from the vector potential of
the model will be studied to establish vector dominance in confinement
theories.Comment: 20 pages, 8 figures. Version published in AHE
The (de)-confinement transition in tachyonic matter at finite temperature
In this paper we present a QCD motivated model that mimics QCD theory. We
examine the characteristics of the gauge field coupled with the color
dielectric function () in the presence of temperature (). The aim is to
achieve confinement at low temperatures , (, is the critical
temperature), similar to what occurs among quarks and gluons in hadrons at low
energies. Also, we investigate scalar glueballs and QCD string tension and
effect of temperature on them. To achieve this, we use the phenomenon of color
dielectric function in gauge fields in a slowly varying tachyon medium. This
method is suitable for analytically computing the resulting potential, glueball
masses and the string tension associated with the confinement at a finite
temperature. We demonstrate that the color dielectric function changes
Maxwell's equation as a function of the tachyon fields and induces the electric
field in a way that brings about confinement during the tachyon condensation
below the critical temperature.Comment: 12 pages, 3 figures; version published in AHE
Quantum-corrected self-dual black hole entropy in tunneling formalism with GUP
In this paper we focus on the Hamilton-Jacobi method to determine the entropy
of a self-dual black hole by using linear and quadratic GUPs(generalized
uncertainty principles). We have obtained the Bekenstein-Hawking entropy of
self-dual black holes and its quantum corrections that are logarithm and also
of several other types.Comment: Latex, 7 pages, no figure. Version to appear in PLB. arXiv admin
note: substantial text overlap with arXiv:1502.0017
Fibonacci Oscillators in the Landau Diamagnetism problem
We address the issue of the Landau diamagnetism problem via -deformed
algebra of Fibonacci oscillators through its generalized sequence of two real
and independent deformation parameters and . We obtain -deformed
thermodynamic quantities such as internal energy, number of particles,
magnetization and magnetic susceptibility which recover their usual form in the
degenerate limit =1.Comment: Latex, 11 pages, two figures, version to appear in Physica
- β¦