Relativistic Quantum Dynamics: A non-traditional perspective on space, time, particles, fields, and action-at-a-distance
Relativistic Quantum Dynamics: A non-traditional perspective on space, time, particles, fields, and action-at-a-distance
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发表时间：
2005-04
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通讯作者：
E. Stefanovich
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作者：
E. Stefanovich
这本书试图建立一个关于相互作用粒子的一致的相对论量子理论。在《量子电动力学》这本书的第一部分中，我们遵循了相当传统的粒子物理方法。我们的讨论从相对论原理和量子测量的假设到量子电动力学中的重整化。在《粒子的量子理论》一书的第二部分中，我们重新审视了这一传统方法。我们发现，狭义相对论公式应该加以修改，以考虑粒子相互作用。我们还建议用物理“修饰”粒子的语言来重新解释量子场论。这个公式消除了重整化的需要，为研究量子相互作用系统的动力学和束缚态性质开辟了一条新的途径。发展的理论被应用于实际的物理对象和过程，包括氢原子的能谱、运动的不稳定粒子的衰变规律和相对论电子束的电场。这些结果迫使我们重新审视现代粒子理论的一些核心问题，特别是Minkowski时空统一，量子场和重整化的作用，以及所谓的远距离作用量的不可能性。对这些问题提出了一个新的视角。它可以帮助解决理论物理的老问题--相对论和量子力学的一致统一。
This book is an attempt to build a consistent relativistic quantum theory of interacting particles. In the first part of the book "Quantum electrodynamics" we follow rather traditional approach to particle physics. Our discussion proceeds systematically from the principle of relativity and postulates of quantum measurements to the renormalization in quantum electrodynamics. In the second part of the book "Quantum theory of particles" this traditional approach is reexamined. We find that formulas of special relativity should be modified to take into account particle interactions. We also suggest reinterpreting quantum field theory in the language of physical "dressed" particles. This formulation eliminates the need for renormalization and opens up a new way for studying dynamical and bound state properties of quantum interacting systems. The developed theory is applied to realistic physical objects and processes including the energy spectrum of the hydrogen atom, the decay law of moving unstable particles, and the electric field of relativistic electron beams. These results force us to take a fresh look at some core issues of modern particle theories, in particular, the Minkowski space-time unification, the role of quantum fields and renormalization as well as the alleged impossibility of action-at-a-distance. A new perspective on these issues is suggested. It can help to solve the old problem of theoretical physics -- a consistent unification of relativity and quantum mechanics.