Search Results - "Campos, João F."

Wobbling double sine-Gordon kinks by Campos, João G. F., Mohammadi, Azadeh

“…A bstract We study the collision of a kink and an antikink in the double sine-Gordon model with and without the excited vibrational mode. In the latter case,…”
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Quasinormal modes in kink excitations and kink–antikink interactions: a toy model by Campos, João G. F., Mohammadi, Azadeh

“…We study excitations and collisions of kinks in a scalar field theory where the potential has two minima with Z 2 symmetry. The field potential is designed to…”
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Resonance mediated by fermions in kink-antikink collisions by Bazeia, Dionisio, Campos, João G. F., Mohammadi, Azadeh

“…A bstract We investigate generalizations of the ϕ 4 and sine-Gordon models, including interactions with Dirac Fermions. We observe new resonance phenomena by…”
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Collisions between kinks with long-range tails: a simple and efficient method by Campos, João G. F., Mohammadi, Azadeh

“…A bstract We construct initial configurations for the scattering between kinks with long-range tails. For this purpose, we exploit kink solutions in the…”
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Fermions on wobbling kinks: normal versus quasinormal modes by Campos, João G. F., Mohammadi, Azadeh

“…A bstract The system consisting of a fermion in the background of a wobbling kink is studied in this paper. To investigate the impact of the wobbling on the…”
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Kink scattering in the presence of geometric constrictions by Campos, João G. F., Simas, Fabiano C., Bazeia, D.

“…A bstract We investigate kink-antikink collisions in a model characterized by two scalar fields in the presence of geometric constrictions. The model includes…”
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Kink-antikink collisions in the ϕ8 model: short-range to long-range journey by Bazeia, Dionisio, Campos, João G. F., Mohammadi, Azadeh

“…A bstract We studied kink-antikink collisions in (1+1)-dimensional spacetime for all Z 2 symmetric ϕ 8 models with four degenerate minima. Such a polynomial…”
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Blepharophimosis, blepharoptosis, defects of the anterior chamber of the eye, caudal appendage, radioulnar synostosis, hearing loss and umbilical anomalies in sibs: 3MC syndrome? by Leal, Gabriela F., Silva, Elias O., Duarte, Andréa R., Campos, João F.

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Collisions between kinks with long-range tails: a simple and efficient method by Campos, João G. F, Mohammadi, Azadeh

“…We construct initial configurations for the scattering between kinks with long-range tails. For this purpose, we exploit kink solutions in the presence of…”
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Kink scattering in the presence of geometric constrictions by Campos, João G. F, Simas, Fabiano C, Bazeia, D

“…JHEP 10 (2023) 124 We investigate kink-antikink collisions in a model characterized by two scalar fields in the presence of geometric constrictions. The model…”
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Quasinormal modes in kink excitations and kink-antikink interactions: a toy model by Campos, João G. F, Mohammadi, Azadeh

“…We study excitations and collisions of kinks in a scalar field theory where the potential has two minima with $Z_2$ symmetry. The field potential is designed…”
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Fermions on wobbling kinks: normal versus quasinormal modes by Campos, João G. F, Mohammadi, Azadeh

“…The system consisting of a fermion in the background of a wobbling kink is studied in this paper. To investigate the impact of the wobbling on the fermion-kink…”
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Wobbling double sine-Gordon kinks by Campos, João G. F, Mohammadi, Azadeh

“…We study the collision of a kink and an antikink in the double sine-Gordon model with and without the excited vibrational mode. In the latter case, we find…”
Get full text

Resonance mediated by fermions in kink-antikink collisions by Bazeia, Dionisio, Campos, João G. F, Mohammadi, Azadeh

“…We investigate generalizations of the $\phi^4$ and sine-Gordon models, including interactions with Dirac Fermions. We observe new resonance phenomena by taking…”
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Interaction between kinks and antikinks with double long-range tails by Campos, João G. F, Mohammadi, Azadeh

“…We explore a class of $\phi^{4n}$ models with kink and antikink solutions that have long-range tails on both sides, specializing to the cases with $n=2$ and…”
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Fermionic spectral walls in kink collisions by Campos, João G. F, Mohammadi, Azadeh, Queiruga, Jose M, Wereszczynski, Andrzej, Zakrzewski, W. J

“…We show that a spectral wall, i.e., an obstacle in the dynamics of a bosonic soliton, which arises due to the transition of a normal mode into the continuum…”
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Kink-antikink collisions in the ϕ 8 model: short-range to long-range journey by Dionisio Bazeia, João G. F. Campos, Azadeh Mohammadi

“…Abstract We studied kink-antikink collisions in (1+1)-dimensional spacetime for all Z 2 symmetric ϕ 8 models with four degenerate minima. Such a polynomial…”
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Interactions between topological defects in (1+1) dimensions by Campos, João G. F

“…In this thesis, we study interactions between topological defects in two-dimensional spacetimes. These defects are called kinks. They are solutions of scalar…”
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Interaction between kinks and antikinks with double long-range tails by Campos, João G.F., Mohammadi, Azadeh

“…We explore a class of ϕ4n models with kink and antikink solutions that have long-range tails on both sides, specializing to the cases with n=2 and n=3. A…”
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On the localized and delocalized modes in kink-antikink interactions: a toy model by Santos, Carlos E. S, Campos, João G. F, Mohammadi, Azadeh

“…This study deals with a piecewise $\phi^2$ scalar field theory in $(1+1)$ dimensions. The scalar field potential is designed with a triple-well shape,…”
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