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Classical and Quantum Dynamics by Walter Dittrich & Martin Reuter
epub |eng | | Author:Walter Dittrich & Martin Reuter

(18.1) Here Q(t) and P(t) stand for arbitrary c-number functions (“sources”) and T denotes the time-ordering operation with respect to the Heisenberg operators q(t) and p(t). When acting on a ...
( Category: Particle Physics April 7,2016 )
Mechanics of Composite Materials by Richard M. Christensen
epub |eng | 2012-10-22 | Author:Richard M. Christensen [Christensen, Richard M.]

(4.3) There are 11 generalized displacement functions in (4.2). The governing 11 equations of equilibrium are given by (4.4) where the resultants appearing in (4.4) are defined by (4.5) and ...
( Category: Materials & Material Science January 29,2016 )
An Introduction to Riemannian Geometry by Leonor Godinho & José Natário
epub, pdf |eng | | Author:Leonor Godinho & José Natário

We can look for the global minima (or maxima) of the action by considering curves on . Definition 5.2 A variation of is a map (for some ) such that ...
( Category: Differential Geometry October 12,2015 )
Fluid Mechanics by White Frank M
epub |eng | 2010-02-28 | Author:White, Frank M. [White, Frank M.]

P6.65 In Prob. P6.63 the initial flow is turbulent. As the water drains out of the tank, will the flow revert to laminar motion as the tank becomes nearly empty? ...
( Category: Fluid Dynamics June 13,2015 )
The Variational Principles Of Mechanics by Cornelius Lanczos
epub |eng | | Author:Cornelius Lanczos [Cornelius Lanczos]

The function L1 is a homogeneous form of the first order in the n + 1 variables 1, ... ,n+1. Hence, by Euler’s theorem on homogeneous functions, which shows that ...
( Category: Mechanics June 7,2015 )
Backyard Ballistics by William Gurstelle
epub, pdf |eng | 2012-09-14 | Author:William Gurstelle

Building the Sublimator Gather all of your materials and tools. If you’ve made the spud gun, you’re already familiar with how to work with PVC to make a backyard ballistic ...
( Category: Mechanics September 15,2014 )
Quantum Mechanics by Mandl Franz
epub |eng | 2013-06-03 | Author:Mandl, Franz

6.1 ATOMIC STRUCTURE In section 4.4.1 we specified the states of an atomic electron by atomic orbitals and described the states of a Z-electron atom in terms of configurations (n1l1)(n2l2)… ...
( Category: Quantum Theory March 27,2014 )
Their Arrows Will Darken the Sun by Mark Denny
epub |eng | 2011-03-25 | Author:Mark Denny

Bombs Away In World War I it was difficult to aim from airplanes, as well as to aim at them. From the point of view of those on the planes, ...
( Category: Conventional March 26,2014 )

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