Electroweak Processes in External Electromagnetic Fields

1. Front Matter

   Pages I-XI

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2. Introduction

   • Alexander Kuznetsov, Nickolay Mikheev

   Pages 1-5

3. Solutions of the Dirac Equation in an External Electromagnetic Field

   • Alexander Kuznetsov, Nickolay Mikheev

   Pages 7-13

4. Fermion Propagator in an External Electromagnetic Field

   • Alexander Kuznetsov, Nickolay Mikheev

   Pages 15-20

5. Generalized Two-Point Loop Amplitude \( j \to f\bar f \to j' \) in an External Electromagnetic Field

   • Alexander Kuznetsov, Nickolay Mikheev

   Pages 21-35

6. Tree-Level Quantum Processes in an External Field

   • Alexander Kuznetsov, Nickolay Mikheev

   Pages 37-73

7. Loop-Level Quantum Processes in an External Electromagnetic Field

   • Alexander Kuznetsov, Nickolay Mikheev

   Pages 75-112

8. Back Matter

   Pages 113-120

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Usually, it is not easy to de?ne the main dates of creation of a new science – the birth date, when the ?rst distinct idea was generated, and the - turity date, when the science manifested itself as a separate and consistent discipline. For particle astrophysics, the science that has developed very - tensively over the last two decades, the birth is most likely to be dated to the beginning of the 1930s. Just then, after the discovery of a neutron by J. Chadwick in 1932, the concept of a neutron star was proposed by L.D. L- dau, and independently by W. Baade and F. Zwicky. The maturation of this science can be more or less con?dently be dated to 1987 when extragal- tic neutrinos were registered for the ?rst time from the supernova SN1987A explosion in the Large Magellanic Cloud, a satellite galaxy of our Milky Way. There are at least two excellent books on the topic written by G.G. R- felt: Stars as Laboratories for Fundamental Physics (Univ. Chicago Press, Chicago 1996) and by H.V. Klapdor-Kleingrothaus and K. Zuber: Particle Astrophysics. 2nd ed. (Inst. of Phys., Bristol 2000), where the basics of this new science can be studied. However, new facts and ideas appear so fast that it is necessary for specialists to follow not only journal papers but also electronic preprints, in order to keep abreast of the latest developments.

• Dirac equation
• Particle Physics
• astrophysics
• magnetic field
• quantum field theory

• Theoretical Physics Department, Yaroslavl State P.G. Demidov University, Yaroslavl, Russia

  Alexander Kuznetsov, Nickolay Mikheev

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