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Vanishing of the scalar density in the massless ’t Hooft model

Обращение в нуль скалярной плотности в безмассовой модели Хуфта

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Il Nuovo Cimento A (1965-1970)

Summary

A recent claim by Frishman asserts the existence of tachyonic modes in the scalar density of the massless ’t Hooft model. It is shown by two independent approaches to this problem that, in fact, the scalar density vanishes, thereby eliminating the possibility that such unphysical states could occur in the scalar propagator.

Riassunto

Recentemente Frishman ha affermato l’esistenza di forme tachioniche nella densità scalare del modello di ’t Hooft senza massa. Si mostra, partendo da due approcci indipendenti a questo problema, che in effetti la densità scalare si annulla, eliminando perciò la possibilità che questi stati non fisici possano verificarsi nel propagatore scalare.

Резюме

Недавнее требование Фришмана указывает на существование тахионных мод в скалярной плотности в безмассовой модели Хуфта. В рамках двух независимых подходов к этой проблеме показывается, что в действительности скалярная плотность обращается в нуль, тем самым исключая возможность возникновения нефизических состояний в скалярном пропагаторе.

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References

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  4. Y. Frishman:Nucl. Phys. B,148, 74 (1979).

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Research supported in part by the Department of Energy.

Traduzione a cura della Redazione.

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Hagen, C.R. Vanishing of the scalar density in the massless ’t Hooft model. Nuov Cim A 57, 130–135 (1980). https://doi.org/10.1007/BF02832952

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  • DOI: https://doi.org/10.1007/BF02832952

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