Richard Herrmann's Fractional Calculus: An Introduction for Physicists PDF

By Richard Herrmann

ISBN-10: 9814551074

ISBN-13: 9789814551076

The e-book provides a concise creation to the fundamental equipment and methods in fractional calculus and allows the reader to meet up with the cutting-edge during this box in addition to to take part and give a contribution within the improvement of this fascinating study sector. The contents are dedicated to the applying of fractional calculus to actual difficulties. The fractional proposal is utilized to topics in classical mechanics, workforce thought, quantum mechanics, nuclear physics, hadron spectroscopy and quantum box idea and it'll shock the reader with new fascinating insights. This new, prolonged version now additionally covers extra chapters approximately picture processing, folded potentials in cluster physics, infrared spectroscopy and native elements of fractional calculus. a brand new function is workouts with elaborated recommendations, which considerably helps a deeper figuring out of normal facets of the idea. for this reason, this booklet also needs to be valuable as a aiding medium for lecturers and classes dedicated to this topic.

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Extra resources for Fractional Calculus: An Introduction for Physicists

Sample text

The graph is given for different α near α = 1. Units are given as multiples of π/2. 14) where we have introduced an arbitrary real number α > 0. The properties of this function Eα (z) were first investigated systematically in the year 1903 by Mittag-Leffler and consequently it is called Mittag-Leffler function [Mittag-Leffler (1903)]. In the area of fractional calculus this function is indeed of similar importance as is the exponential function in standard mathematics and is subject of actual research [Gorenflo and Mainardi (1996); Mainardi and Gorenflo (2000); Hilfer and Seybold (2006); November 8, 2013 17:18 BC: 8934 - Fractional Calculus HerrmannFC2˙main Functions 11 Kilbas et al.

36) 2 − 2e−κ t − κ t e−κ t κ Obviously this is a completely new function type. The initial velocity v0 becomes less important and merely acts as a scaling parameter. The time evolution of the solutions may be understood much better in terms of free (α = 0) and damped (0 < α ≤ 1) oscillations, if we consider the first quarter period for a description of a fractional friction process. In order to investigate this aspect of fractional friction, for reasons of completeness we first present the solutions of the classical harmonic oscillator.

For the special case α = 1 classical and fractional friction force coincide. 18) x˙ α = dt dt and hence we expect a dynamic behavior which differs from the classical result. 3), which determines the dynamical behavior of a classical point mass object to a fractional friction force. 22) m is determined. The trivial solution ω = 0 for α > 0 describes a constant, time independent function x(t) = const and is a consequence of the fact, that the differential equation is built from derivatives of x(t) only.

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Fractional Calculus: An Introduction for Physicists by Richard Herrmann

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