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We demonstrate that it is possible to determine the coefficients of an all-order beta function linear in the anomalous dimensions using as data the two-loop coefficients together with the first one o...
Green Function of the Morse Potential Using Perturbation Series
Morse potential Green function Propagator Path integral Perturbation series Fourier transform
2010/4/9
We find the Green function of the Schrodinger equation for the Morse potential using perturbation series. By Fourier transformation on the end point of the perturbation series, and with some formulas ...
Green´s Function for Particle of Spin 0 and 1/2 in the Field of Volkov Plane Wave
Green´ s function Langevin equation stochastic quantization
2010/4/9
The Green´s functions for relativistic particles, with and without spin in interaction with an electromagnetic plane wave, are obtained via Parisi-Wu stochastic quantization method after having ...
Comparing the Mori Formalism and the Green Function Methods
the Mori Formalism the Green Function Methods
2010/10/26
Using a simple model described by a Hamiltonian of fermions coupled to bosons, we show that the relaxation function calculated via a low temperature approximation to the Mori memory function is simila...
Dielectric Constant and Density of Water as a Function of Pressure at Constant Temperature
Water Constant Temperature Dielectric Constant Density of Water
2010/10/18
In order to simulate the effects of hydrostatic pressure on protein folding/unfolding it is necessary to accurately describe the behavior of the dielectric constant and the density of the solvent (wat...
On the One-loop Yukowa Coupling Beta Function to Order Yg2 in a General a Gauge and Its Gauge Indepence
one-loop Yukawa Gauge Indepence Order Yg2
2010/4/19
We present the calculation of the one-loop Yukawa coupling beta function to order Yg2 in a general a gauge, where Y and g are Yukawa and gauge couplings. We show explicitly how the gauge parameter a c...