Authors: Guilarte, J. Mateos | Vassilevich, Dmitri V.

Source: Physics Letters B. 2019. Vol. 797. P. 134935 (1-4)

Type: статьи в журналах

Date: 2019

Description: In this letter the fractional fermion number of thick domain walls is computed. The analysis is achieved by developing the heat kernel expansion of the spectral eta function of the Dirac Hamiltonian g ... More

Authors: Fresneda, Rodrigo | Mateos Guilarte, J. | Vassilevich, Dmitri V. | Alonso-Izquierdo, A.

Source: The European physical journal C. 2019. Vol. 79, № 6. P. 525 (1-11)

Type: статьи в журналах

Date: 2019

Description: We consider different methods of calculating the (fractional) fermion number of solitons based on the heat kernel expansion. We derive a formula for the localized η function that provides a more syste ... More