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Related papers: Topological charge density around static color sou…

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The interplay between quantum and thermal fluctuations in the presence of quenched random disorder is a long-standing open theoretical problem which has been made more urgent by advances in modern experimental techniques. The fragility of…

Strongly Correlated Electrons · Physics 2025-01-28 Matthew C. O'Brien , Eduardo Fradkin

Using the framework of the Chromo Dielectric Model we perform an analysis of color electric flux tubes in meson-like $q\bar{q}$ and baryon-like $qqq$ quark configurations. We discuss the Abelian color structure of the model and point out a…

High Energy Physics - Phenomenology · Physics 2009-11-10 Gunnar Martens , Carsten Greiner , Stefan Leupold , Ulrich Mosel

We study the color-flavor locked phase of QCD with three massless quarks at high chemical potential and small non zero temperatures. We make use of the recently introduced effective action to describe such a phase. We obtain the exact order…

High Energy Physics - Phenomenology · Physics 2009-10-31 R. Casalbuoni , R. Gatto

We present a numerical model which allows us to study the Kelvin force probe microscopy response to the charge switching in quantum dots at various time scales. The model provides more insight into the behavior of frequency shift and…

Mesoscale and Nanoscale Physics · Physics 2016-06-22 Martin Ondráček , Prokop Hapala , Pavel Jelínek

For a wide class of noninteracting tight-binding models in one dimension we present an analytical solution for all scattering and edge states on a half-infinite system. Without assuming any symmetry constraints we consider models with…

Mesoscale and Nanoscale Physics · Physics 2020-04-14 Mikhail Pletyukhov , Dante M. Kennes , Jelena Klinovaja , Daniel Loss , Herbert Schoeller

In this paper we investigate Charged Domain Walls (CDW's), topological defects that acquire surface charge density $Q$ induced by fermion states localized on the walls. The presence of an electric and magnetic field on the walls is also…

Astrophysics · Physics 2009-11-10 L. Campanelli , P. Cea , G. L. Fogli , L. Tedesco

The present knowledge of QCD confining forces between static test charges is summarised, with an emphasis on lattice results. Recent developments in relating QCD potentials to quarkonium properties by use of effective field theory methods…

High Energy Physics - Phenomenology · Physics 2011-01-25 Gunnar S. Bali

We investigate the QCD flux tubes linking static colour charges of different SU(3) representations, relevant to the understanding of confinement and of the Lund strings of Heavy Ion Collisions. The colour field densities, the Casimir…

High Energy Physics - Lattice · Physics 2012-04-05 N. Cardoso , M. Cardoso , P. Bicudo

The chemical potential ($\mu$) dependence of the topological susceptibility with two-color two-flavor QCD is studied. We find that at temperature $T \approx T_c /2$, where $T_c$ denotes the critical temperature at zero chemical potential,…

High Energy Physics - Lattice · Physics 2018-12-05 Etsuko Itou , Kei Iida , Tong-Gyu Lee

QCD at finite densities of heavy quarks is investigated using the density-of-states method. The phase factor expectation value of the quark determinant is calculated to unprecedented precision as a function of the chemical potential.…

High Energy Physics - Lattice · Physics 2016-11-23 Nicolas Garron , Kurt Langfeld

We discuss here the novel view at the color confinement which, on the one hand, allows us to find out the surface tension coefficient of quark gluon bags and, under a plausible assumption, to determine the endpoint temperature of the QCD…

High Energy Physics - Phenomenology · Physics 2011-07-08 K. A. Bugaev , A. I. Ivanytskyi

Here we revisit the bag phenomenology of the deconfining phase transition to replenish it by introducing systematically the bag surface tension. Comparing the free energy of such bags and that one of the strings confining the static…

High Energy Physics - Phenomenology · Physics 2010-11-23 K. A. Bugaev , G. M. Zinovjev

We investigate the phase structure of the (3+1)-dimensional strong coupling two-color QCD at zero temperature ($T=0$) with finite chemical potential using the tensor renormalization group method. The chiral and diquark condensates and the…

High Energy Physics - Lattice · Physics 2026-02-13 Yuto Sugimoto , Shinichiro Akiyama , Yoshinobu Kuramashi

We report on evidence from lattice simulations that confinement is produced by dual superconductivity of the vacuum in full QCD as in quenched QCD. Preliminary information is obtained on the order of the deconfining phase transition.

High Energy Physics - Lattice · Physics 2008-11-26 J. M. Carmona , M. D'Elia , L. Del Debbio , A. Di Giacomo , B. Lucini , G. Paffuti , C. Pica

We show that at finite density pressure-pressure and current-current correlators exhibit divergences at $T_c$ owing to the fluctuations of the diquark field. Specifically, this leads to a significant excess of the soft photon production…

High Energy Physics - Phenomenology · Physics 2019-06-13 B. O. Kerbikov

A study of the relation between the electrostatic charge density at a point on a conducting surface and the curvature of the surface (at that point) is presented. Two major scientific literature on this topic are reviewed and the apparent…

Classical Physics · Physics 2016-02-18 Kolahal Bhattacharya

In this paper we derive the environmental spectral density for flux, phase and charge qubits when each of them is coupled to an environment with a resonance. From the spectral density we obtain the characteristic spontaneous emission…

Superconductivity · Physics 2008-05-19 Kaushik Mitra , C. J. Lobb , C. A. R. Sá de Melo

In lattice QCD, colour confinement manifests in flux tubes. We compute in detail the quark-antiquark flux tube for pure gauge SU(3) dimension $D=3+1$ for quark-antiquark distances R ranging from 0.4 fm to 1.4 fm. To increase the signal over…

High Energy Physics - Lattice · Physics 2013-09-18 N. Cardoso , M. Cardoso , P. Bicudo

We study the impact of higher order quark-meson scattering processes on the chiral phase structure of two-flavour QCD at finite temperature and quark density. Thermal, density and quantum fluctuations are included within a functional…

High Energy Physics - Phenomenology · Physics 2017-09-27 Jan M. Pawlowski , Fabian Rennecke

We show how measuring real space properties such as the charge density in a quasiperiodic system can be used to gain insight into their topological properties. In particular, for the Fibonacci chain, we show that the total onsite charge…

Disordered Systems and Neural Networks · Physics 2021-12-03 Gautam Rai , Henning Schlömer , Chris Matsumura , Stephan Haas , Anuradha Jagannathan