Continuum extrapolation of finite temperature meson correlation functions in quenched lattice QCD

Francis A, Karsch F (2011)
In: PoS LATTICE., 2010(191). .

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Konferenzbeitrag | Veröffentlicht | Englisch
Abstract / Bemerkung
We explore the continuum limit $a\rightarrow 0$ of meson correlation functions at finite temperature. In detail we analyze finite volume and lattice cut-off effects in view of possible consequences for continuum physics. We perform calculations on quenched gauge configurations using the clover improved Wilson fermion action. We present and discuss simulations on isotropic $N_\sigma^3\times 16$ lattices with $N_\sigma=32,48,64,128$ and $128^3 \times N_\tau$ lattices with $N_\tau=16,24,32,48$ corresponding to lattice spacings in the range of $0.01 fm \lsim a \lsim\ 0.031 fm$ at $T\simeq1.45T_c$. Continuum limit extrapolations of vector meson and pseudo scalar correlators are performed and their large distance expansion in terms of thermal moments is introduced. We discuss consequences of this analysis for the calculation of the electrical conductivity of the QGP at this temperature.
Erscheinungsjahr
Titel des Konferenzbandes
PoS LATTICE
Band
2010
Zeitschriftennummer
191
Konferenz
28th International Symposium On Lattice Field Theory (Lattice 2010)
Konferenzort
Villasimius, Sardinia, Italy
Konferenzdatum
2010-06-14
ISSN
PUB-ID

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Francis A, Karsch F. Continuum extrapolation of finite temperature meson correlation functions in quenched lattice QCD. In: PoS LATTICE. Vol 2010. 2011.
Francis, A., & Karsch, F. (2011). Continuum extrapolation of finite temperature meson correlation functions in quenched lattice QCD. PoS LATTICE, 2010
Francis, A., and Karsch, F. (2011). “Continuum extrapolation of finite temperature meson correlation functions in quenched lattice QCD” in PoS LATTICE, vol. 2010,.
Francis, A., & Karsch, F., 2011. Continuum extrapolation of finite temperature meson correlation functions in quenched lattice QCD. In PoS LATTICE. no.2010
A. Francis and F. Karsch, “Continuum extrapolation of finite temperature meson correlation functions in quenched lattice QCD”, PoS LATTICE, vol. 2010, 2011.
Francis, A., Karsch, F.: Continuum extrapolation of finite temperature meson correlation functions in quenched lattice QCD. PoS LATTICE. 2010, (2011).
Francis, Anthony, and Karsch, Frithjof. “Continuum extrapolation of finite temperature meson correlation functions in quenched lattice QCD”. PoS LATTICE. 2011.Vol. 2010.

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arXiv: 1101.5571

Inspire: 885899

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