Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Perapechka, Ilya"'
Publikováno v:
Eur. Phys. J. C 82, 757 (2022)
We study numerically the kink-fermion interactions in a 1+1 dimensional toy model, which describes sine-Gordon kinks coupled to the massless Dirac fermions with backreaction. We show that the spectrum of fermionic modes strongly depends on the choice
Externí odkaz:
http://arxiv.org/abs/2205.13437
Scalar boson stars and Dirac stars are solitonic solutions of the Einstein{Klein-Gordon and Einstein- Dirac classical equations, respectively. Despite the different bosonic vs: fermionic nature of the matter field, these solutions to the classical fi
Externí odkaz:
http://arxiv.org/abs/2111.14475
We study kink-antikink collisions in a model which interpolates smoothly between the completely integrable sine-Gordon theory, the $\phi^4$ model, and a $\phi^6$-like model with three degenerate vacua. We find a rich variety of behaviours, including
Externí odkaz:
http://arxiv.org/abs/2106.09560
We construct static axially symmetric multi-Q-ball configurations in the $U(1)$ gauged two-component Fridberg-Lee-Sirlin model a flat spacetime. The solutions represent electromagnetically bounded chains of stationary spinning charged Q-balls placed
Externí odkaz:
http://arxiv.org/abs/2012.01052
Autor:
Perapechka, Ilya, Shnir, Yakov
Publikováno v:
Phys. Rev. D 101, 021701 (2020)
We present and study new mechanism of interaction between the solitons based on the exchange interaction mediated by the localized fermion states. As particular examples, we consider solutions of simple 1+1 dimensional scalar field theories with self
Externí odkaz:
http://arxiv.org/abs/1910.09866
Publikováno v:
J. High Energ. Phys. (2018) 2018: 81
We study effects of backreaction of the fermionic modes localized by the baby Skyrmion in the (2+1)-dimensional Skyrme model. It is shown that there is a tower of fermionic modes of two different types, localized by the soliton, however there is only
Externí odkaz:
http://arxiv.org/abs/1808.07787
Autor:
Perapechka, Ilya, Shnir, Yakov
Publikováno v:
Phys. Lett. B 780 (2018) 152
We construct new family of spherically symmetric regular solutions of $SU(2)$ Yang-Mills theory coupled to pure $R^2$ gravity. The particle-like field configurations possess non-integer non-Abelian magnetic charge. A discussion of the main properties
Externí odkaz:
http://arxiv.org/abs/1801.07626
Autor:
Perapechka, Ilya, Shnir, Yakov
Publikováno v:
Phys. Rev. D 96, 125006 (2017)
We investigate properties of self-gravitating isorotating Skyrmions in the generalized Einstein-Skyrme model with higher-derivative terms in the matter field sector. These stationary solutions are axially symmetric, regular and asymptotically flat. W
Externí odkaz:
http://arxiv.org/abs/1710.06334
Autor:
Perapechka, Ilya, Shnir, Yakov
Publikováno v:
Phys. Rev. D 96, 045013 (2017)
We investigate the properties of triply-periodic Skyrme crystals in the generalized Skyrme model $\mathcal{L}_6 + \mathcal{L}_4 + \mathcal{L}_2+ \mathcal{L}_0$ with higher-derivative terms up to sixth order. Three different symmetry breaking potentia
Externí odkaz:
http://arxiv.org/abs/1703.10673
Autor:
Perapechka, Ilya, Shnir, Yakov
Publikováno v:
Phys. Rev. D 95, 025024 (2017)
We investigate the properties of spherically symmetric black hole solutions in the generalized Einstein-Skyrme model theory in four-dimensional asymptotically anti-de Sitter space-time. The dependencies of the Skyrmion fields on the cosmological cons
Externí odkaz:
http://arxiv.org/abs/1612.01914