نتایج جستجو برای: field anomaly
تعداد نتایج: 822318 فیلتر نتایج به سال:
It is known that the contribution of torsion to equation for chiral Weyl fermions can be equivalently considered in terms axial $U(1)$ gauge field. In this scenario gravitational field transforms Here we show superconductors opposite takes place: electromagnetic serves as spin connection Bogoliubov fermionic quasiparticles. As a result gives rise anomaly, which contains extra factor $1/3$ corre...
The movement of the South Atlantic Anomaly has been observed since end last century by many spacecrafts equipped with various types radiation detectors. All satellites that have drift exclusively large missions heavy payload equipment. With recent rapid progression CubeSats, it can be expected routine monitoring will taken over CubeSats in future. We present one-and-a-half years observations fi...
Exact Renormalization Group techniques are applied to supersymmetric models in order to get some insights into the low energy effective actions of such theories. Starting from the ultra-violet finite mass deformed N =4 supersymmetric Yang– Mills theory, one varies the regularising mass and compensates for it by introducing an effective Wilsonian action. (Polchinski’s) renormalization group equa...
We show on the basis of an effective theory of QCD that a wide variety of observables in the hadron world is governed by the chiral symmetry together with an interplay between the axial anomaly and the explicit symmetry breaking due to the current quark mass. We also discuss the nature of the chiral transition at finite temperature and related dynamical phenomena using the effective Lagrangian....
We cast the problem of detecting and isolating regions of abnormal cortical tissue in the MRIs of epilepsy patients in an image segmentation framework. Employing a multiscale approach we divide the surface images into segments of different sizes and then classify each segment as being an outlier, by comparing it to the same region across controls. The final classification is obtained by fusing ...
We discuss the relation between the c–theorem and the the way various symmetries are realized in quantum field theory. We review our recent proof of the c–theorem in four dimensions. Based on this proof and further evidence, we conjecture that the realization of chiral symmetry be irreversible, flowing from the Wigner-Weyl realization at short distance to the Nambu–Goldstone realization at long...
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