Meson correlators at finite temperature
نویسندگان
چکیده
منابع مشابه
Temporal meson correlators at finite temperature on quenched anisotropic lattice ∗
We study charmonium correlators at finite temperature in quenched anisotropic lattice QCD. The smearing technique is applied to enhance the low energy part of the correlator. We use two analysis procedures: the maximum entropy method for extraction of the spectral function without assuming specific form, as an estimate of the shape of spectral function, and the χ fit assuming typical forms as q...
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We analyze temporal and spatial meson correlators in quenched lattice QCD at T ≥ 0. Below Tc we observe little change in the meson properties as compared with T = 0. Above Tc we observe new features: chiral symmetry restoration and signals of plasma formation, but also indication of persisting “mesonic” (metastable) states and different temporal and spatial “masses” in the mesonic channels. Thi...
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We analyze the meson correlator in the spatial direction at finite temperature. To achieve fine resolution in the spatial direction, we use an anisotropic lattice with the standard Wilson plaquette gauge action and the O(a) improved Wilson quark action. Below and above Tc, properties of correlators are investigated by two methods: fits with ansatz for the spectral function, and direct reconstru...
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We compute a variety of two and three-point real-time correlation functions for a strongly-coupled nonrelativistic field theory. We focus on the theory conjectured to be dual to the Schrödinger-invariant gravitational spacetime introduced by Balasubramanian, McGreevy, and Son, but our methods apply to a large class of nonrelativistic theories. At zero temperature, we obtain time-ordered, retard...
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We discuss the calculations of quarkonium spectral functions in potential models and their implications for the interpretation of the lattice data on quarkonium correlators. In particular, we find that melting of different quarkonium states does not lead to significant change in the Euclidean time correlators. The large change of the quarkonium correlators above deconfinement observed in the sc...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 1998
ISSN: 0556-2821,1089-4918
DOI: 10.1103/physrevd.59.034501