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Related papers: Testing MEM with Diquark and thermal Meson Correla…

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We analyze mesons in constant magnetic fields ($B$) within a non-relativistic constituent quark model. Our quark model contains a harmonic oscillator type confining potential, and we perturbatively treat short range correlations to account…

High Energy Physics - Phenomenology · Physics 2021-11-03 Toru Kojo

We present the quarkonia correlators for charmonium and bottomonium systems in the pseudoscalar, vector and scalar channels. For the description of quark-antiquark interaction we adopt the temperature dependant colour screening potential of…

High Energy Physics - Phenomenology · Physics 2012-12-27 Arpit Parmar , Bhavin Patel , P. C. Vinodkumar

The matrix element method (MEM) has been extensively used for the analysis of top-quark and W-boson physics at the Tevatron, but in general without dedicated treatment of initial state QCD radiation. At the LHC, the increased center of mass…

High Energy Physics - Phenomenology · Physics 2015-03-17 J. Alwall , A. Freitas , O. Mattelaer

Based on a complete set of $J = 0$ and $J=1$ spatial isovector correlation functions calculated with $N_F = 2$ domain wall fermions we identify an intermediate temperature regime of $T \sim 220 - 500$ MeV ($1.2T_c$--$2.8T_c$), where chiral…

High Energy Physics - Lattice · Physics 2019-07-17 C. Rohrhofer , Y. Aoki , G. Cossu , H. Fukaya , C. Gattringer , L. Ya. Glozman , S. Hashimoto , C. B. Lang , S. Prelovsek

The Periodic Anderson Model (PAM) is widely studied to understand strong correlation physics and especially the competition of antiferromagnetism and singlet formation. Quantum Monte Carlo (QMC) studies have focused both on issues such as…

Strongly Correlated Electrons · Physics 2016-06-29 Nicole Hartman , WeiTing Chiu , Richard Scalettar

External electromagnetic fields provide a useful probe of QCD matter, but real electric fields are hindered by the sign problem, motivating studies with imaginary electric fields. We investigate mesonic screening correlators in lattice QCD…

High Energy Physics - Lattice · Physics 2026-03-31 Ji-Chong Yang , Zhan Zhao , Xiang-Ning Li , Wen-Wen Li

We have calculated spectral functions associated with hadronic current correlation functions for vector currents at finite temperature. We made use of a model with chiral symmetry, temperature-dependent coupling constants and…

Nuclear Theory · Physics 2007-05-23 Xiangdong Li , Hu Li , C. M. Shakin , Qing Sun , Huangsheng Wang

We present a quantum Monte Carlo-based approach to detect and compute the most dominant correlations for many-body systems without prior knowledge. It is based on the measurement and analysis of the correlation density matrix between two…

Strongly Correlated Electrons · Physics 2026-05-25 Aditya Chincholi , Sylvain Capponi , Fabien Alet

We investigate the temperature dependence of the thermal dilepton rate and the electrical conductivity of the gluon plasma at temperatures of $1.1T_c$, $1.3T_c$ and $1.5T_c$ in quenched QCD. Making use of non-perturbatively clover-improved…

High Energy Physics - Lattice · Physics 2016-08-17 Heng-Tong Ding , Olaf Kaczmarek , Florian Meyer

This paper demonstrates the use of voltage noise thermometry, with a cross-correlation technique, as a dissipation-free method of thermometry inside a CMOS integrated circuit (IC). We show that this technique exhibits broad agreement with…

After introducing essential, qualitative concepts and results, we discuss the application of Dyson-Schwinger equations to QCD at finite T and mu. We summarise the calculation of the critical exponents of two-light-flavour QCD using the…

Nuclear Theory · Physics 2010-03-04 David Blaschke , Craig D. Roberts

Hadron properties are studied at hot medium using the quark sigma model. The quark sigma model is extended to include eighth-order of mesonic interactions based on some aspects of quantum chromodynamic (QCD) theory. The extended effective…

High Energy Physics - Phenomenology · Physics 2015-01-05 M. Abu-Shady , A. K. Abu-Nab

In order to study the fate of mesons in thermal QCD at finite baryon chemical potential, we consider light mesonic correlation functions using the Taylor expansion to ${\cal O}((\mu/T)^2)$, in both the hadronic and quark-gluon plasma…

High Energy Physics - Lattice · Physics 2020-01-14 G. Aarts , C. Allton , D. De Boni , J. Glesaaen , S. Hands , B. Jäger , A. A. Nikolaev , J. -I. Skullerud , L. -K. Wu

The Casimir interaction between two thick parallel plates, one made of metal and the other of dielectric, is investigated at nonzero temperature. It is shown that in some temperature intervals the Casimir pressure and the free energy of a…

Quantum Physics · Physics 2009-11-11 B. Geyer , G. L. Klimchitskaya , V. M. Mostepanenko

We determine the electromagnetic properties of decuplet resonances using chiral perturbation theory at next-to-leading order. Utilizing a partially quenched charge matrix, we isolate and remove the quark disconnected contractions. This…

High Energy Physics - Lattice · Physics 2009-05-12 B. C. Tiburzi

The maximum entropy method has been applied to investigate the oscillating structure in the pbarp- and pp-elastic scattering differential cross-section at high energy and small momentum transfer. Oscillations satisfying quite realistic…

High Energy Physics - Phenomenology · Physics 2008-11-26 O. Dumbrajs , J. Kontros , A. Lengyel

Spectral properties of quarks above the critical temperature for deconfinement are analyzed in quenched lattice QCD on lattices of size 128^3x16. We study quark spectral function in energy and momentum space, focusing on the values of the…

High Energy Physics - Lattice · Physics 2010-11-15 Masakiyo Kitazawa

Recent developments in the evaluation of vector-meson spectral functions in hot and dense matter are discussed with emphasis on connections to the chiral phase transition in QCD. Model independent approaches including chiral low-density…

High Energy Physics - Phenomenology · Physics 2015-05-13 R. Rapp , J. Wambach , H. van Hees

To achieve accurate results in nanocalorimetry a detailed analysis and understanding of the behavior of the calorimetric system is required. There are especially two system-related aspects that should be taken in consideration: the…

Other Condensed Matter · Physics 2012-03-12 S. Tagliati , A. Rydh

The relationship between the mean-field approximations in various interacting models of statistical physics and measures of classical and quantum correlations is explored. We present a method that allows us to bound the total amount of…

Quantum Physics · Physics 2009-11-10 Vlatko Vedral