scholarly journals Finite temperature spectral densities of momentum andR-charge correlators inN=4Yang-Mills theory

2006 ◽  
Vol 74 (4) ◽  
Author(s):  
Derek Teaney
Keyword(s):  
Finite Temperature ◽  
Spectral Densities

scholarly journals Finite temperature gluon propagator in Landau gauge: non-zero Matsubara frequencies and spectral densities

2018 ◽  
Vol 175 ◽  
pp. 07038 ◽  
Author(s):  
Paulo J. Silva ◽  
Orlando Oliveira ◽  
David Dudal ◽  
Martin Roelfs
Keyword(s):  
Spectral Density ◽  
Finite Temperature ◽  
Gluon Propagator ◽  
Landau Gauge ◽  
Discrepancy Principle ◽  
Spectral Densities ◽  
Tikhonov Regularisation ◽  
Morozov Discrepancy Principle ◽  
Lattice Computation

We report on the lattice computation of the Landau gauge gluon propagator at finite temperature, including the non-zero Matsubara frequencies. Moreover, the corresponding Källén-Lehmann spectral density is computed, using a Tikhonov regularisation together with the Morozov discrepancy principle. Implications for gluon confinement are also discussed.

scholarly journals Aspects of Gluon Propagation in Landau Gauge: Spectral Densities, and Mass Scales at Finite Temperature

2015 ◽  
Vol 8 (1) ◽  
pp. 119 ◽  
Author(s):  
P.J. Silva ◽  
O. Oliveira ◽  
D. Dudal ◽  
P. Bicudo ◽  
N. Cardoso
Keyword(s):  
Finite Temperature ◽  
Landau Gauge ◽  
Spectral Densities

Transformation of non-Gaussian random processes, signals and noise in the nonlinear differential systems by the method of cumulative functions

2018 ◽  
Vol 15 (1) ◽  
pp. 84-93
Author(s):  
V. I. Volovach ◽  
V. M. Artyushenko
Keyword(s):  
Spectral Characteristics ◽  
Random Processes ◽  
Spectral Densities ◽  
Differential Systems ◽  
Non Gaussian ◽  
Nonlinear Differential Systems

Reviewed and analyzed the issues linked with the torque and naguszewski cumulant description of random processes. It is shown that if non-Gaussian random processes are given by both instantaneous and cumulative functions, it is assumed that such processes are fully specified. Spectral characteristics of non-Gaussian random processes are considered. It is shown that higher spectral densities exist only for non-Gaussian random processes.

scholarly journals Unblocking of stellar electron capture for neutron-rich N=50 nuclei at finite temperature

2020 ◽  
Vol 101 (2) ◽  
Author(s):  
Alan A. Dzhioev ◽  
K. Langanke ◽  
G. Martínez-Pinedo ◽  
A. I. Vdovin ◽  
Ch. Stoyanov
Keyword(s):  
Electron Capture ◽  
Finite Temperature
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