1824 June 2017
Palacio de Congresos
Europe/Madrid timezone
Vacuum Structure and Confinement
Place
Location: Palacio de Congresos
Address: PALACIO DE CONGRESOS
Paseo del Violón s/n, 18006
Granada, SPAIN
Date:
from 19 Jun 14:30 to 20 Jun 16:40
Conveners

19 Jun 14:30  16:10
 Prof. Greensite, Jeff (San Francisco State University)

19 Jun 16:40  18:00
 Prof. Shuryak, Edward (Stony Brook University)

20 Jun 15:00  16:40
 Bicudo, Pedro (IST Lisboa)
Timetable  Contribution List
Displaying 12
contributions
out of
12
Recently, it is suggested that a quark number holonomy defined from the quark number densities at finite imaginary chemical potential is strongly related to the confinementdeconfinement transition [1].
We investigate the quark number density at zero and finite imaginary chemical potential in terms of the eigenmodes of the Dirac operator, which are strongly related to chiral symmetry breaking.
... More
Presented by Dr. Takahiro DOI
on
20/6/2017
at
16:00
We examine how the vacuum expectation value (average) of doublewinding Wilson loops depends on the number of color $N$ in the $SU(N)$ YangMills theory. In the case where the two loops $C_1$ and $C_2$ are identical, we derive the exact operator relation which relates the doublewinding Wilson loop operator in the fundamental representation to that in the higher dimensional representations dependi
... More
Presented by Mr. Ryutaro MATSUDO
on
20/6/2017
at
13:20
We study the confining flux tube and its scaling towards the continuum limit in
Nf=2+1 QCD at the physical point, discretized with stout smearing improved staggered quarks
and the tree level Symanzik gauge action.
In particular, we discuss the flux tube dependence on a uniform
external
magnetic field, showing how it displays anisotropies
with respect to the magnetic field direction.
Presented by Dr. Francesco NEGRO
on
19/6/2017
at
15:20
I will present some recent results obtained in the study of the color magnetic and electric screening masses in the QCD plasma. In particular, I will focus on how the masses get modified by strong external fields which are expected to be created in physical situations such as heavyion collisions.
Presented by Mr. Andrea RUCCI
on
20/6/2017
at
15:00
We report on an instantonbased analysis of gluon Green functions in the Landau gauge for low momenta; in particular we used lattice results for $\alpha_s$ in the symmetric momentum subtraction scheme (${\rm MOM}$) for largevolume lattice simulations. We have exploited quenched gauge field configurations, $N_f=0$, with both Wilson and treelevel Symanzik improved actions, and unquenched ones wit
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Presented by Dr. Feliciano DE SOTO
on
19/6/2017
at
13:30
In order to better understand the role played by instantons behind nonperturbative dynamics, we investigate the instanton contributions to the gluonic two point correlation functions in the SU(2) YM theory. Pseudoscalarpseudoscalar and pseudoscalarscalar gluonic
correlation functions are calculated on the lattice at various temperatures and compared with the instanton calculus. We discuss how t
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Presented by Mr. Shingo MORI
on
19/6/2017
at
14:50
Paradigm shift in gauge topology at finite temperatures, from the instantons to their constituents
 instantondyons  has recently lead to studies of their ensembles and very significant advances.
Like instantons, they have fermionic zero modes, and their collectivization
at sufficiently high density explains the chiral symmetry breaking.
Unlike instantons, these objects have electric
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Presented by Prof. Edward SHURYAK
on
19/6/2017
at
14:30
In this talk, we study the doublewinding Wilson loops in the SU(N) YangMills theory on the lattice.
We discuss how the area law falloff of the doublewinding Wilson loop average is modified by changing the enclosing contours $C_1$ and $C_2$ for various values of the number of color $N$.
By using the strong coupling expansion,
we evaluate the doublewinding Wilson loop average in the lattice
... More
Presented by Akihiro SHIBATA
on
20/6/2017
at
13:40
In Coulomb gauge there is a longitudinal color electric field associated with a static quarkantiquark pair. We have measured the spatial distribution of this field, and find that it falls off exponentially with transverse distance from a line joining the two quarks. In other words there is a Coulomb flux tube, with a width that is somewhat smaller than that of the minimal energy flux tube assoc
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Presented by Prof. Jeff GREENSITE
on
19/6/2017
at
17:00
We study the behavior across deconfinement phase transition
of the chromoelectric flux tube generated by quarkantiquark sources and
in correspondence of several distances between the sources.
We present preliminary results for distances up to 1.33 fm and temperatures
up to $1.5 T_c$.
Presented by Dr. Leonardo COSMAI
on
19/6/2017
at
16:40
We investigate the predictions of NambuGoto (NG) and PolyakovKleinert (PK) effective string actions for the Casimir energy and the width of the quantum delocalization of the string at two loop order in 4dim pure SU(3) YangMills lattice gauge theory. Intermediate and large color source separation distance, before the string breaks in full QCD, at two temperature scales are considered near the d
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Presented by Dr. Ahmed BAKRY
on
19/6/2017
at
15:40
We will report on a detailed study of the threegluon vertex in fourdimensional SU(3) YangMills theory employing lattice simulations with large physical volumes and high statistics, and on a preliminary ongoing study of the same vertex function in QCD simulated with 2+1 Domain Wall fermions.
We will mainly focus on the very lowmomenta behaviour of the 1PI vertex function, and prove that it
... More
Presented by Prof. José RODRIGUEZQUINTERO
on
19/6/2017
at
13:10