120 citations · 297 across the 35 of their papers we have counts for
23 papers · 1 filter
SU() string tension in the continuum limit using an effective theory of center vortices
Zahra Asmaee, Motahareh Kiamari, Sedigheh Deldar
Using an effective theory for an ensemble of center vortices, we observe the area law fall-off in the continuum limit for the SU() gauge group in three-dimensional Euclidean spa…
Monopoles, vortices and their correlations in SU(3) gauge group
N. Karimimanesh, S. Deldar, Z. Asmaee
Topological defects such as monopoles, vortices and "chains"of the SU(3) gauge group are studied using its SU(2) subgroups. Two appropriate successive gauge transformations are app…
Direct and Indirect Methods of Vortex Identification in Continuum limit
Sedigheh Deldar, Zahra Asmaee
Inspired by direct and indirect maximal center gauge methods which identify vortices in lattice calculations, and by using the connection formalism, we show that under some appropr…
Cho decomposition, Abelian gauge fixing and monopoles in G(2) Yang-Mills theory
Zeinab Dehghan, Sedigheh Deldar
By extending the Cho decomposition method to G(2) gauge group, monopoles of this group are studied. Since SU(2) and SU(3) are subgroups of G(2), discussions are done mostly based o…
Interacting dyon ensemble and confinement by particle mesh Ewald's method
Motahareh Kiamari, Sedigheh Deldar
The free energy of a static quark-antiquark pair is obtained in an interacting dyon ensemble near the deconfinement temperature. Comparing the results with the noninteracting case,…
Correlations between Abelian Monopoles and center vortices
Seyed Mohsen Hosseini Nejad, Sedigheh Deldar
We study the correlations between center vortices and Abelian monopoles for SU() gauge group. Combining fractional fluxes of monopoles, center vortex fluxes are constructed in t…
Monopole-center vortex chains in gauge theory
Seyed Mohsen Hosseini Nejad, Sedigheh Deldar
We study the relation between center vortex fluxes and monopole fluxes for gauge group in a model. This model is the same as thick center vortex model but we use monopole-a…
Partition Function of Interacting Calorons Ensemble
Sedigheh Deldar, Motahareh Kiamari
We present a method for computing the partition function of a caloron ensemble taking into account the interaction of calorons. We focus on caloron-Dirac string interaction and sho…
Center vortices as composites of monopole fluxes
Sedigheh Deldar, Seyed Mohsen Hosseini Nejad
We study the relation between the flux of a center vortex obtained from the center vortex model and the flux formed between monopoles obtained from the Abelian gauge fixing method.…
Contributions of the center vortices and vacuum domain in potentials between static sources
Seyed Mohsen Hosseini Nejad, Sedigheh Deldar
In this paper, we study the role of the domain structure of the Yang Mills vacuum. The Casimir scaling and -ality are investigated in the potentials between static sources in va…
Role of the SU() and SU() subgroups in observing confinement in the G() gauge group
Seyed Mohsen Hosseini Nejad, Sedigheh Deldar
Applying the domain model to the G() gauge group and the thick center vortex model to the SU() and SU() subgroups of G(), we calculate the potentials between static sou…
Appearance of vortices and monopoles in a decomposition of an SU(2) Yang-Mills field
Ahmad Mohamadnejad, Sedigheh Deldar
We show how vortices can appear in the low energy limit of a pure SU(2) Yang-Mills theory as topological solitons. Motivated by Abelian dominance, we suppose that in the infrared r…
Interaction between Vortices in CFL Phase
Sedigheh Deldar, Hadi Lookzadeh
We try to calculate the interaction between vortices in the color-flavor locked (CFL) phase of Quantum Chromodynamics (QCD). The most fundamental strings in high density color supe…
Quark Confinement in Restricted SU(2) Gauge Theory
Sedigheh Deldar, Ahmad Mohamadnejad
We apply Zwanziger formalism to Cho restricted theory to obtain the potential in a static quark-antiquark pair. Cho restricted theory is a self-consistent subset of a non…
Confinement in G(2) Gauge Theories Using Thick Center Vortex Model and domain structures
Sedigheh Deldar, Hadi Lookzadeh, Seyed Mohsen Hosseini Nejad
The thick center vortex model with the idea of using domain structures is used to calculate the potentials between two G(2) heavy sources in the fundamental, the adjoint and the 27…
Center vortex model and the G(2) gauge group
Sedigheh Deldar, Hadi Lookzadeh, Seyed Mohsen Hosseini Nejad
The thick center vortex model is applied to G(2) gauge group to obtain the potentials between static sources of the fundamental and adjoint representations. The group G(2) has only…
Removing the concavity of the thick center vortex potentials by fluctuating the vortex profile
Sedigheh Deldar, Shahnoosh Rafibakhsh
The thick center vortex model reproduces important aspects of the potentials between static quark sources as seen in lattice Yang-Mills calculations: Both the intermediate distance…
Short distance potential and the thick center vortex model
Sedigheh Deldar, Shahnoosh Rafibakhsh
The short distance potentials between heavy SU(3) and SU(4) sources are calculated by increasing the role of vortex fluxes piercing Wilson loops with contributions close to the tri…
The effect of fluctuations of the vortex core size on the static potentials evaluated by the thick center vortex model
Sedigheh Deldar, Shahnoosh Rafibakhsh
By varying the vortex core size of the thick center vortex model, we have studied the short distance potentials between static sources. It has been found that fluctuations of the v…
Confinement and the second vortex of the SU(4) gauge group
Sedigheh Deldar, Shahnoosh Rafibakhsh
We study the potential between static SU(4) sources using the Model of Thick Center Vortices. Such vortices are characterized by the center elements and …
Confinement and fat-center-vortices model
Sedigheh Deldar
In this paper I review shortly potentials obtained for SU(2), SU(3) and SU(4) static sources from fat-center-vortices model. Results confirm the confinement of quarks in all three…
SU(4) string tensions from the fat-center-vortices model
Sedigheh Deldar, Shahnoosh Rafibakhsh
The thick- or fat-center-vortices model has been applied to a calculation of the potentials between static sources of various SU(4) representations. For intermediate distances, a l…
Potentials between static SU(3) sources in the fat-center-vortices model
Sedigheh Deldar
The potentials between static sources in various representaions in SU(3) are calculated based on the fat-center-vortices model of Faber, Greensite and Olejnik. At intermediate dist…