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相关论文: On the temperature dependence of correlation funct…

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We evaluate equal time point to point spatial correlation functions of mesonic currents at finite temperature. For this purpose we consider the QCD vacuum structure in terms of quark antiquark condensates and their fluctuations in terms of…

高能物理 - 唯象学 · 物理学 2014-11-17 Varun Sheel , Hiranmaya Mishra , Jitendra C. Parikh

In the low temperature confining phase of QCD or QCD-like theories it is challenging to capture the temperature dependence of observables through AdS/CFT. Using the blackfold approach we compute the quark-antiquark linear static potential…

高能物理 - 理论 · 物理学 2015-06-23 Dimitrios Giataganas , Kevin Goldstein

Quarkonium properties at finite temperature have been studied with quark masses of the charm and bottom quarks. Our simulations have been performed in quenched QCD with the $O(a)$-improved Wilson quarks on large and fine isotropic lattices…

高能物理 - 格点 · 物理学 2015-04-30 H. Ohno , H. -T. Ding , O. Kaczmarek

Here I review the temperature-dependence of heavy quarkonia correlators in potential models with three different screened potentials, and compare these to the results from lattice QCD. None of the potentials investigated yield results…

高能物理 - 唯象学 · 物理学 2007-05-23 Agnes Mocsy

We study correlation functions of spatially separated static quark-antiquark pairs in (2+1)-flavor QCD in order to investigate onset and nature of color screening at high temperatures. We perform lattice calculations in a wide temperature…

We discuss the temperature dependence of the screening lengths in quenched and full QCD using the non-perturbative lattice approach. We analyze the temperature dependence of distances which are defined as moments of quark antiquark free…

高能物理 - 格点 · 物理学 2007-05-23 O. Kaczmarek , F. Zantow

To reflect the asymptotic freedom in the thermal direction, a temperature-dependent coupling was proposed in the literature. We investigate its effect on QCD matter with and without strong magnetic fields. Compared with the fixed coupling…

高能物理 - 唯象学 · 物理学 2017-10-11 Li Yang , Xin-jian Wen

We present results of modeling the temperature dependence of the spatial string tension and thermal phase transition in a five-dimensional framework nowadays known as AdS/QCD. For temperatures close to the critical one we find a behaviour…

高能物理 - 唯象学 · 物理学 2008-11-26 Oleg Andreev , Valentine I. Zakharov

I discuss the temperature dependence of quarkonium correlators calculated in lattice QCD. I show that the dominant source of the temperature dependence comes from the zero mode contribution, while the the temperature dependence associated…

高能物理 - 格点 · 物理学 2009-07-22 P. Petreczky

We analyze heavy quark free energies in 2-flavor QCD at finite temperature and the corresponding heavy quark potential at zero temperature. Static quark anti-quark sources in color singlet, octet and color averaged channels are used to…

高能物理 - 格点 · 物理学 2009-11-11 Olaf Kaczmarek , Felix Zantow

We study the string tension as a function of temperature, fitting the SU(3) lattice QCD finite temperature free energy potentials computed by the Bielefeld group. We compare the string tension points with order parameter curves of…

高能物理 - 格点 · 物理学 2014-11-20 P. Bicudo

We discuss quark antiquark energies and the screening mass in hot QCD using the non-perturbative lattice approach. For this purpose we analyze properties of quark antiquark energies and entropies at infinitely large separation of the quark…

高能物理 - 格点 · 物理学 2007-05-23 O. Kaczmarek , F. Zantow

We present lattice QCD results on heavy quark free energies, extract from its temperature dependence entropy and internal energy contributions, and discuss the onset of medium effects that lead to screening of static quark-antiquark sources…

高能物理 - 格点 · 物理学 2014-11-18 O. Kaczmarek

We study the thermodynamic geometry arising from the free energy for the 2- and 3-flavor finite temperature hot QCD near the critical temperature. We develop a geometric notion for QCD thermodynamics, relating it with the existing…

高能物理 - 理论 · 物理学 2012-03-22 Stefano Bellucci , Vinod Chandra , Bhupendra Nath Tiwari

We utilize lattice simulations of the dimensionally reduced effective field theory (EQCD) to determine the quark number susceptibility of QCD at high temperature ($T>2T_c$). We also use analytic continuation to obtain results at finite…

高能物理 - 格点 · 物理学 2008-11-26 Ari Hietanen , Kari Rummukainen

Temporal quark correlation functions are analyzed in quenched lattice QCD for two values of temperature above the critical temperature (Tc) for deconfinement, T=1.5Tc and 3Tc. A two-pole ansatz for the quark spectral function is used to…

高能物理 - 格点 · 物理学 2013-05-30 Olaf Kaczmarek , Frithjof Karsch , Masakiyo Kitazawa , Wolfgang Soeldner

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

高能物理 - 唯象学 · 物理学 2007-05-23 Xiangdong Li , Hu Li , C. M. Shakin , Qing Sun , Huangsheng Wang

Vacuum energy of quarks participates in the pressure balance at the temperature transition T_c and defines the dependence of T_c on m_q. We first check this dependence in absence of magnetic fields eB vs known lattice data, and then take…

高能物理 - 唯象学 · 物理学 2014-04-23 V. D. Orlovsky , Yu. A. Simonov

We use three dimensional reduced effective field theory (EQCD) and lattice calculations to determine the quark number susceptibility of QCD at high temperature. We find our results to agree well with known perturbative expansion as well as…

高能物理 - 格点 · 物理学 2008-11-26 A. Hietanen , K. Rummukainen

Quarkonium correlation functions at finite temperature were studied in a region of the quark mass for charmonia to bottomonia in quenched lattice QCD with $O(a)$-improved Wilson quarks. Our simulations were performed on large isotropic…

高能物理 - 格点 · 物理学 2014-03-13 Hiroshi Ohno
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