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There has been recent progress towards understanding the dynamics of world-volume fermions that arise as open-string modes from brane intersections in the probe limit $(N_f/N_c \rightarrow 0)$. In this work we consider all possible BPS…

High Energy Physics - Theory · Physics 2021-01-15 Theodoros Nakas , Konstantinos S. Rigatos

We study localization of bulk fermions on a brane with inclusion of Yang-Mills and scalar backgrounds in higher dimensions and give the conditions under which localized chiral fermions can be obtained.

High Energy Physics - Theory · Physics 2009-10-31 Seif Randjbar-Daemi , Mikhail Shaposhnikov

We examine the behavior of fermions in the presence of a non-singular thick brane having co-dimension 2. It is shown that one can obtain three trapped zero modes which differ from each other by having different values of angular momentum…

High Energy Physics - Theory · Physics 2007-05-23 Merab Gogberashvili , Paul Midodashvili , Douglas Singleton

We suggest a thick braneworld model in the squared curvature gravity theory. Despite the appearance of higher order derivatives, the localization of gravity and various bulk matter fields is shown to be possible. The existence of the…

High Energy Physics - Theory · Physics 2011-07-04 Yu-Xiao Liu , Yuan Zhong , Zhen-Hua Zhao , Hai-Tao Li

In the presence of D-branes, fermionic N=2 strings in 2+2 dimensions can be coupled to a K"ahler NS-NS two-form B. We present the corresponding action which produces N=2 supersymmetric boundary conditions and discuss the Seiberg-Witten…

High Energy Physics - Theory · Physics 2009-10-31 Olaf Lechtenfeld , Alexander D. Popov , Bernd Spendig

We construct brane solutions in six dimensional Einstein-Skyrme systems. A class of baby skyrmion solutions realize warped compactification of the extra dimensions and gravity localization on the brane for negative bulk cosmological…

High Energy Physics - Theory · Physics 2008-07-28 Yuta Kodama , Kento Kokubu , Nobuyuki Sawado

We study the motion of higher dimensional fermions in a non-singular 6D brane background with an increasing warp factor. This background acts as a potential well trapping fermions and fields of other spins near a 3+1 dimensional brane. By…

High Energy Physics - Theory · Physics 2009-11-11 Silvestre Aguilar , Douglas Singleton

We produce the open strings on $\mathbb{R}\times S^{2}$ that correspond to the solutions of integrable boundary sine-Gordon theory by making use of the $N$-magnon solutions provided in \cite{KPV} together with explicit moduli. Relating the…

High Energy Physics - Theory · Physics 2011-01-27 A. Ciavarella

Fermion zero modes of Bogomol'nyi-Prasad-Sommerfield monopole-string-domain wall composites in three spatial dimensions are studied. We analytically solve the Dirac equation and prove the existence of one fermion zero mode. Depending on…

High Energy Physics - Theory · Physics 2025-06-23 Minoru Eto , Yuito Suzuki

In this paper we investigate the localization and mass spectra of bulk matter fields on a Gergory-Rubakov-Sibiryakov-inspired braneworld. In this braneworld model, there are one thick brane located at the origin of the extra dimension and…

High Energy Physics - Theory · Physics 2011-01-25 Yu-Xiao Liu , Chun-E Fu , Heng Guo , Shao-Wen Wei , Zhen-Hua Zhao

We study fermionic zero modes in the background of self-dual vortex on a two-dimensional non-compact extra space in 5+1 dimensions. In the Abelian Higgs model, we present an unified description of the topological and non-topological…

High Energy Physics - Theory · Physics 2015-06-26 Yong-Qiang Wang , Tie-Yan Si , Yu-Xiao Liu , Yi-Shi Duan

In a brane (domain wall) scenario with an infinite extra dimension and localized gravity, bulk fermions and scalars often have bound states with zero 4-dimensional mass. In this way massless matter residing on the brane may be obtained. We…

High Energy Physics - Theory · Physics 2009-07-09 S. L. Dubovsky , V. A. Rubakov , P. G. Tinyakov

We note that orbifold boundary conditions that produce chiral fermion zero modes in compactified higher dimensional theories may distort scalar field vacuum expectation values, giving rise to nontrivial dependence on the extra dimensions.…

High Energy Physics - Phenomenology · Physics 2009-09-11 Howard Georgi , Aaron K. Grant , Girma Hailu

We construct brane solutions in 6 dimensional Einstein-Skyrme systems. A class of baby skyrmion solutions realizes warped compactification of the extra dimensions and gravity localization on the brane for negative bulk cosmological…

High Energy Physics - Theory · Physics 2011-06-02 Yuta Kodama , Kento Kokubu , Nobuyuki Sawado

We study the spin 1/2 and spin 3/2 fermion fields in a thick braneworld scenario in six dimensions called string-cigar model. This smooth string-like model has a source that satisfies the dominant energy condition and undergoes a Ricci…

High Energy Physics - Theory · Physics 2015-11-11 D. M. Dantas , D. F. S. Veras , J. E. G. Silva , C. A. S. Almeida

We derive boundary state of superstring in the open string channel. It describes the superconformal field theory of open string emission and absorption by D-brane. We define the boundary state by conformal mappings from upper half plane…

High Energy Physics - Theory · Physics 2011-09-16 Yosuke Imamura , Hiroshi Isono , Yutaka Matsuo

We study M5 branes by considering the selfdual strings parallel to a plane. With the internal oscillation frozen, each selfdual string gives a 5d SYM field. All selfdual strings together give a 6d field with 5 scalars, 3 gauge degrees of…

High Energy Physics - Theory · Physics 2012-07-06 Shan Hu , Dimitri Nanopoulos

We show that for closed finite sized systems with an odd number of real fermionic modes, even in the presence of interactions, there are always at least two fermionic operators that commute with the Hamiltonian.There is a zero mode…

Statistical Mechanics · Physics 2013-05-30 Garry Goldstein , Claudio Chamon

We investigate the 5D massless fermionic fields within the standing wave braneworld model. We show that in the case of increasing warp factor there exist localized left spinor field zero modes on the brane, while right fermion wave…

High Energy Physics - Theory · Physics 2011-09-20 Merab Gogberashvili , Pavle Midodashvili , Levan Midodashvili

We construct domain-wall brane models based on the grand-unification group SO(10), generalising the SU(5) model of Davies, George and Volkas. Motivated by the Dvali-Shifman proposal for the dynamical localisation of gauge bosons, the SO(10)…

High Energy Physics - Phenomenology · Physics 2009-12-30 Jayne E. Thompson , Raymond R. Volkas