@article{6fd3f5fa5698493b97bdb47fde16ca31,
title = "The curvature of the crossover line in the (T, m)-phase diagram of QCD",
abstract = "An efficient way to study the QCD phase diagram at small finite density is to extrapolate thermodynamical observables from imaginary chemical potential. The phase diagram features a crossover line starting from the transition temperature already determined at zero chemical potential. In this talk we focus on the curvature of this line at mu = 0. We present the extrapolation of the crossover temperature based on three observables at several lattice spacings. The simulations were performed at zero and at moderate values of the imaginary chemical potential, always in the strangeness neutral point. We used the Symanzik-improved gauge action with four times stout smeared staggered fermions.",
author = "Rene Bellwied and Szabolcs Borsanyi and Zoltan Fodor and Jana G{\"u}nther and Katz, {Sandor D.} and Claudia Ratti and Szabo, {Kalman K.}",
note = "Funding Information: The authors thank G. Endrodi for his valuable comments and suggestions. This project was funded by the DFG grant SFB/TR55. S. D. Katz is funded by the ”Lend{\"u}let” program of the Hungarian Academy of Sciences ((LP2012-44/2012). The work of R. Bellwied is supported through DOE grant DEFG02-07ER41521. An award of computer time was provided by the INCITE program. The work of C. R. is supported by the National Science Foundation through grant number NSF PHY-1513864 This research used resources of the Argonne Leadership Computing Facility, which is a DOE Office of Science User Facility supported under Contract DE-AC02-06CH11357. This research also used resources of the PRACE Research Infrastructure resource JUQUEEN at FZ-J{\"u}lich, Germany; JUQUEEN as large scale project of the Gauss Centre for Supercomputing (GCS); the QPACE machine supported by the Deutsche Forschungsgesellschaft through the research program SFB TR55; and the GPU cluster at the Wuppertal University.; 33rd International Symposium on Lattice Field Theory, LATTICE 2015 ; Conference date: 14-07-2015 Through 18-07-2015",
year = "2015",
language = "English (US)",
volume = "14-18-July-2015",
journal = "Proceedings of Science",
issn = "1824-8039",
publisher = "Sissa Medialab Srl",
}