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A concise introduction to Feynman diagram techniques, this book shows how they can be applied to the analysis of complex many-particle systems, and offers a review of the essential elements of quantum mechanics, solid state physics and statistical mechanics. Alongside a detailed account of the method of second quantization, the book covers topics...

Variable stars can be fascinating objects to study. This complete practical guide and resource package instructs amateur astronomers in observing and monitoring variable stars and other objects of variable brightness. Descriptions of the objects are accompanied by explanations of the background astrophysics, providing readers with a real insight...

From supernovae and gamma-ray bursts to the accelerating Universe, this is an exploration of the intellectual threads that lead to some of the most exciting ideas in modern astrophysics and cosmology. This fully updated second edition incorporates new material on binary stars, black holes, gamma-ray bursts, worm-holes, quantum gravity and string...

The book examines the way Russian presidents Yeltsin, Medvedev, and Putin have used their constitutional decree powers since the end of the Soviet regime. The Russian constitution gives the Russian president extremely broad decree-making power, but its exercise is constrained by both formal and informal considerations. The book compares the Russian...

Since Dolly the sheep was born, controversy has swirled around the technology of cloning. We recoil at the prospect of human copies, manufactured men and women, nefarious impersonators and resurrections of the dead. Such reactions have serious legal consequences: lawmakers have banned stem cell research along with the cloning of babies. But what if...

The decades-long increase in income inequality has become perhaps 'the' issue in American politics, and scholars have offered many reasons for why the gap between the rich and the rest has widened so much since the mid-1970s. Most of the explanations have been social and political in the broadest sense, and many have keyed on the propensity of...