http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Non-relativistic spectrum of two-color QCD at non-zero baryon density
Hands, S.,Kim, S.,Skullerud, J.I. North-Holland Pub. Co 2012 Physics letters: B Vol.711 No.2
The heavy quarkonium spectrum of Two Color QCD (QC<SUB>2</SUB>D) at non-zero quark chemical potential μ and temperature T with μ/T@?1 has been calculated in both S- and P-wave channels using a lattice non-relativistic formulation of QC<SUB>2</SUB>D. As μ is varied, the quarkonium spectra reveal three separate regions, corroborating previous findings that there are three distinct physical regimes of QC<SUB>2</SUB>D at low temperature and high baryon density: hadronic matter, quark/quarkyonic matter, and deconfined matter. The results are interpreted in terms of the formation of heavy-light Qq states in the two-color baryonic medium.
Spectral functions from anisotropic lattice QCD
Aarts, G.,Allton, C.,Amato, A.,Evans, W.,Giudice, P.,Harris, T.,Kelly, A.,Kim, S.Y.,Lombardo, M.P.,Praki, K.,Ryan, S.M.,Skullerud, J.I. North Holland Pub. Co 2016 Nuclear physics. A Vol.956 No.-
<P>The FASTSUM collaboration has been carrying out lattice simulations of QCD for temperatures ranging from one third to twice the crossover temperature, investigating the transition region, as well as the properties of the Quark Gluon Plasma. In this contribution we concentrate on quarkonium correlators and spectral functions. We work in a fixed scale scheme and use anisotropic lattices which help achieving the desirable fine resolution in the temporal direction, thus facilitating the (ill posed) integral transform from imaginary time to frequency space. We contrast and compare results for the correlators obtained with different methods, and different temporal spacings. We observe robust features of the results, confirming the sequential dissociation scenario, but also quantitative differences indicating that the methods' systematic errors are not yet under full control. We briefly outline future steps towards accurate results for the spectral functions and their associated statistical and systematic errors.</P>