Titlebook: Oscillator Representation in Quantum Physics; M. Dineykhan,G. V. Efimov,S. N. Nedelko Book 1995 Springer-Verlag Berlin Heidelberg 1995 Pha

unstable-angina

多產(chǎn)子

The Four-Dimensional , Theoryd like to extend our consideration to the more complicated case of the renormalizable model and investigate the phase structure of the four-dimensional theory (2.1). The main point is that renormalization of the field and the coupling constant is necessary in the . case in contrast to the two-and th

instulate

faultfinder

Path Integrals in Quantum Physicstigate the strong coupling regime of quantum field models. Now we want to apply the main idea of this method to one of the basic problems of quantum physics — calculating functional integrals or path integrals. The implementation of this approach to path integrals requires some specific techniques w

譏諷

上流社會(huì)

The Polaron Problemkind is the Fr?hlich model of the ., — an electron moving with the polarization distortion of ions in an crystal. Polaron’s popularity as a model is due to its similarity to many field-theoretical constructions where bosons couple linearly to fermions (the meson-nucleon interactions inside nuclei, t

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The Character of the Phase Transition in Two- and Three-Dimensional , Theoryctions. Earlier investigations of the triviality problem have shown that for dimensions . > 4 the scalar theory of self-interaction behaved either unstable or trivial. Much interest is attracted to the cases . = 2 and . = 3 demonstrating nontrivial phase restructure. In this chapter, we will investi

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Bound States in QFTfield .(1). The .-atom is the typical physical example. We shall be interested in the mechanism of formation of bound states and in the estimation of the contribution of nonpotential interactions because calculations of relativistic corrections are one of the main problems to describe the bound stat

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