搜索结果: 1-15 共查到“凝聚态物理学 QCD”相关记录15条 . 查询时间(0.056 秒)
中国科学院近代物理研究所夸克物质研究中心陈旭荣研究员团队在QCD演化方程和胶子凝聚新物质形态研究中取得新进展，相关成果于3月12日发表在Physical Review D上。研究人员首次将偏微分方程中的“齐次平衡法”，成功地应用到QCD演化方程领域，得到了Balitsky-Kovchegov演化方程的一个解析解。研究人员得到了胶子饱和能标曲线，进而给出了几何标度规律曲线，揭示了色玻璃凝聚物质随能量...
Lattice QCD at the physical point: light quark masses
Lattice QCD physical point light quark masses
2011/1/14
Ordinary matter is described by six fundamental parameters: three couplings (gravitational,
electromagnetic and strong) and three masses: the electron’s (me) and those of the up (mu)
and down (md) q...
Nucleon strange quark content from two-flavor lattice QCD with exact chiral symmetry
Nucleon strange quark content two-flavor lattice QCD exact chiral symmetry
2011/1/13
Strange quark content of the nucleon hN|¯ss|Ni is calculated in dynamical lattice QCD employing the overlap fermion formulation. For this quantity, exact chiral symmetry guaranteed by the Ginspar...
Exploring quark transverse momentum distributions with lattice QCD
Exploring quark transverse momentum distributions lattice QCD
2011/1/13
We discuss in detail a method to study transverse momentum dependent parton distribution
functions (TMDs) using lattice QCD. To develop the formalism and to obtain rst numerical results,we directly ...
Flavor structure of the baryon-baryon interaction from lattice QCD
investigate baryon-baryon (BB) interactions 3-flavor full QCD simulations degenerate
2011/1/13
We investigate baryon-baryon (BB) interactions in the 3-flavor full QCD simulations with degenerate quark masses for all flavors. The BB potentials in the orbital S-wave are extracted from the Nambu-B...
Evidence for a First Order, Finite Temperature Phase Transition in 8 Flavor QCD
Evidence First Order Finite Temperature Phase Transition
2011/1/13
As part of our ongoing investigations of QCD with many flavors of quarks, here we report on
studies of the finite temperature phase transition for eight-flavor QCD with the DBW2 gauge
action and na&...
Systematic errors in extracting nucleon properties from lattice QCD
Systematic errors extracting nucleon properties lattice QCD
2011/1/13
Form factors of the nucleon have been extracted from experiment with high precision. However,
lattice calculations have failed so far to reproduce the observed dependence of form factors on
the mome...
Analysis of the $N_f=2+1$ lattice QCD results on the lowest-lying baryon masses using covariant ChPT
$N_f=2+1$ lattice QCD results lowest-lying baryon masses covariant ChPT
2011/1/7
We review recent progress in the understanding of low-energy baryon structure by means of chiral perturbation theory.
Finite temperature QCD at fixed Q with overlap fermions
Finite temperature QCD fixed Q overlap fermions
2011/1/13
We present some preliminary results of the project on finite temperature QCD with overlap fermions at KEK.We performed a series of simulations to assess the effects of fixing the topological sector at...
The excited hadron spectrum in lattice QCD using a new variance reduction method
excited hadron spectrum lattice QCD new variance reduction method
2011/1/14
Progress in calculating the spectrum of excited baryons and mesons in lattice QCD is described.
Correlation matrices of sets of spatially-extended hadron operators have been studied and their
effect...
QCD transition temperature: full staggered result
QCD transition temperature full staggered result
2011/1/14
We conclude our investigations on the QCD cross-over transition temperatureswith 2+1 staggered
flavours and one-link stout improvement. We extend our previous two studies [Phys. Lett. B643
(2006) 46...
Semileptonic decays of K and D mesons in 2+1 flavor QCD
Semileptonic decays of K D mesons 2+1 flavor QCD
2011/1/6
The experimentally measured rates of the semileptonic decays K →p ln and D → K(p )ln can
be combined with lattice calculations of the associated form factors to precisely extract the CKM matrix eleme...
Semileptonic decays of K and D mesons in 2+1 flavor QCD
Semileptonic decays of K D mesons 2+1 flavor QCD
2011/1/14
The experimentally measured rates of the semileptonic decays K →p ln and D → K(p )ln can
be combined with lattice calculations of the associated form factors to precisely extract the CKM matrix eleme...
Resonance Parameters of the rho-Meson from Lattice QCD
pion-pion scattering phase -meson resonance parameters lattice QCD
2011/1/6
We perform a non-perturbative lattice calculation of the P-wave pion-pion scattering phase in
the -meson decay channel using two flavors of maximally twisted mass fermions at pion masses
ranging fr...