# Baryon number strangeness and electric charge fluctuations at zero and non-zero chemical potential

Schmidt C (2008)

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 35(10): 104093.

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We present results on baryon number, strangeness and electric charge fluctuations in QCD at non- zero density and temperature obtained from lattice calculations with almost physical quark masses. At vanishing chemical potential, i. e. under conditions almost realized at RHIC and the LHC, quartic fluctuations of net baryon number and strangeness are large in a narrow temperature interval characterizing the transition region from the low to the high temperature phase. Our results are based on Taylor expansions in light and strange quark chemical potentials, i. e. we rigorously compute corrections to bulk thermodynamic quantities at non- vanishing chemical potential, by performing a Taylor expansion in mu/T. We find non-monotonic behavior for the radius of convergence of this series, which could be a hint for a critical end point in the (T, mu)-plane.

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Schmidt C. Baryon number strangeness and electric charge fluctuations at zero and non-zero chemical potential.

*JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS*. 2008;35(10):104093.Schmidt, C. (2008). Baryon number strangeness and electric charge fluctuations at zero and non-zero chemical potential.

*JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS*,*35*(10), 104093. doi:10.1088/0954-3899/35/10/104093Schmidt, C. (2008). Baryon number strangeness and electric charge fluctuations at zero and non-zero chemical potential.

*JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS*35, 104093.Schmidt, C., 2008. Baryon number strangeness and electric charge fluctuations at zero and non-zero chemical potential.

*JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS*, 35(10), p 104093. C. Schmidt, “Baryon number strangeness and electric charge fluctuations at zero and non-zero chemical potential”,

*JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS*, vol. 35, 2008, pp. 104093. Schmidt, C.: Baryon number strangeness and electric charge fluctuations at zero and non-zero chemical potential. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS. 35, 104093 (2008).

Schmidt, Christian. “Baryon number strangeness and electric charge fluctuations at zero and non-zero chemical potential”.

*JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS*35.10 (2008): 104093.
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