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pro vyhledávání: '"Suzuki, Alfredo Takashi"'
The technique coined as NDIM - Negative Dimensional Integration Method by their discoverers, relies on a three-pronged basis: Gaussian integration, series expansion and analytic continuation. The technique has been successfully applied to the calcula
Externí odkaz:
http://arxiv.org/abs/2301.04082
Light-front gauge is the most popular one to work with fundamental interactions, due to its characteristic maximum kinematical Poincare operators that it allows. However, it is also known to be one of the trickiest gauges one can work with for gauge
Externí odkaz:
http://arxiv.org/abs/2209.13621
Publikováno v:
Phys. Rev. D 98, 036017 (2018)
The instant form and the front form of relativistic dynamics proposed by Dirac in 1949 can be linked by an interpolation angle parameter $\delta$ spanning between the instant form dynamics (IFD) at $\delta =0$ and the front form dynamics which is now
Externí odkaz:
http://arxiv.org/abs/1805.06599
The spin projection of a massive particle onto its direction of motion is called helicity (or "handedness"). It can therefore be positive or negative. When a particle's helicity changes from positive to negative (or vice-versa) due to its interaction
Externí odkaz:
http://arxiv.org/abs/1608.03559
We present the electromagnetic gauge field interpolation between the instant form and the front form of the relativistic Hamiltonian dynamics and extend our interpolation of the scattering amplitude presented in the simple scalar field theory to the
Externí odkaz:
http://arxiv.org/abs/1412.2726
Autor:
Suzuki, Alfredo Takashi
NDIM (Negative Dimensional Integration Method) is a technique for evaluating Feynman integrals based on the concept of analytic continuation. The method has been successfully applied to many diagrams in covariant and noncovariant gauge field interact
Externí odkaz:
http://arxiv.org/abs/1408.4064
Among the three forms of relativistic Hamiltonian dynamics proposed by Dirac in 1949, the instant form and the front form can be interpolated by introducing an interpolation angle between the ordinary time $t$ and the light-front time $(t+z/c)/\sqrt{
Externí odkaz:
http://arxiv.org/abs/1212.2265
We consider in this work the electromagnetic current for a system composed by two charged bosons and show that it has a structure of many bodies even in the impulse approximation, when described in the light front time $x^+$. In terms of the two-body
Externí odkaz:
http://arxiv.org/abs/1209.4681
Autor:
Suzuki, Alfredo Takashi
In solving the differential equation for a non damped harmonic oscillator one meets, after subjecting the equation to a Fourier transformation, an integration in the complex $\omega$ plane. In most cases such an integral is evaluated by calculating r
Externí odkaz:
http://arxiv.org/abs/0806.3216
Autor:
Suzuki, Alfredo Takashi
Different mathematical methods have been applied to obtain the analytic result for the massless triangle Feynman diagram yielding a sum of four linearly independent hypergeometric functions $F_4$. In this paper I work out the diagram and show that th
Externí odkaz:
http://arxiv.org/abs/0706.1082