POLYAKOV LOOP AND SPIN CORRELATORS ON FINITE LATTICES - A STUDY BEYOND THE MASS GAP

Engels J, MITRJUSHKIN VK, Neuhaus T (1995)
NUCLEAR PHYSICS B 440(3): 555-569.

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Abstract
We derive an analytic expression for point-to-point correlation functions of the Polyakov loop based on the transfer. matrix formalism. For the 2D Ising model we show that the results deduced from point-point spin correlators are coinciding with those from zero momentum correlators. We investigate the contributions from eigenvalues of the transfer matrix beyond the mass gap and discuss the limitations and possibilities of such an analysis, The finite size behaviour of the obtained 2D Ising model matrix elements is examined. The point-to-point correlator formula is then applied to Polyakov loop data in finite temperature SU(2) gauge theory. The leading matrix element shows all expected scaling properties. Just above the critical point we find a Debye screening mass mu(D)/T approximate to 4, independent of the volume.
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Engels J, MITRJUSHKIN VK, Neuhaus T. POLYAKOV LOOP AND SPIN CORRELATORS ON FINITE LATTICES - A STUDY BEYOND THE MASS GAP. NUCLEAR PHYSICS B. 1995;440(3):555-569.
Engels, J., MITRJUSHKIN, V. K., & Neuhaus, T. (1995). POLYAKOV LOOP AND SPIN CORRELATORS ON FINITE LATTICES - A STUDY BEYOND THE MASS GAP. NUCLEAR PHYSICS B, 440(3), 555-569.
Engels, J., MITRJUSHKIN, V. K., and Neuhaus, T. (1995). POLYAKOV LOOP AND SPIN CORRELATORS ON FINITE LATTICES - A STUDY BEYOND THE MASS GAP. NUCLEAR PHYSICS B 440, 555-569.
Engels, J., MITRJUSHKIN, V.K., & Neuhaus, T., 1995. POLYAKOV LOOP AND SPIN CORRELATORS ON FINITE LATTICES - A STUDY BEYOND THE MASS GAP. NUCLEAR PHYSICS B, 440(3), p 555-569.
J. Engels, V.K. MITRJUSHKIN, and T. Neuhaus, “POLYAKOV LOOP AND SPIN CORRELATORS ON FINITE LATTICES - A STUDY BEYOND THE MASS GAP”, NUCLEAR PHYSICS B, vol. 440, 1995, pp. 555-569.
Engels, J., MITRJUSHKIN, V.K., Neuhaus, T.: POLYAKOV LOOP AND SPIN CORRELATORS ON FINITE LATTICES - A STUDY BEYOND THE MASS GAP. NUCLEAR PHYSICS B. 440, 555-569 (1995).
Engels, Jürgen, MITRJUSHKIN, VK, and Neuhaus, Thomas. “POLYAKOV LOOP AND SPIN CORRELATORS ON FINITE LATTICES - A STUDY BEYOND THE MASS GAP”. NUCLEAR PHYSICS B 440.3 (1995): 555-569.
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