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We study the holographic non-relativistic fermions in the presence of bulk dipole coupling in charged dilatonic black hole background. We explore the nontrivial effects of the bulk dipole coupling, the fermion charge as well as the dilaton…

High Energy Physics - Theory · Physics 2014-11-21 Xiao-Mei Kuang , Bin Wang , Jian-Pin Wu

We demonstrate linear stability of the dilatonic Black Holes appearing in a string-inspired higher-derivative gravity theory with a Gauss- Bonnet curvature-squared term. The proof is accomplished by mapping the system to a one-dimensional…

High Energy Physics - Theory · Physics 2009-10-30 P. Kanti , N. E. Mavromatos , J. Rizos , K. Tamvakis , E. Winstanley

I discretize axion string configuration coupled to a Dirac fermion, which in the continuum binds a massless chiral fermion in its core when the winding is one. I show that such a configuration can host one or more chiral fermions when…

High Energy Physics - Theory · Physics 2023-01-25 Srimoyee Sen

We consider the behavior of massive Dirac fields on the background of a charged de-Sitter black hole. All black hole geometries are taken into account, including the Reissner-Nordstr\"{o}m-de-Sitter one, the Nariai case and the ultracold…

General Relativity and Quantum Cosmology · Physics 2009-07-30 F. Belgiorno , S. L. Cacciatori

We study the four-dimensional Einstein-Yang-Mills black hole in the presence of Dirac fermion field. Assuming a spherically symmetric static asymptotically flat black hole spacetime we consider both massless and massive fermion fields. The…

High Energy Physics - Theory · Physics 2015-06-05 Lukasz Nakonieczny , Marek Rogatko

Driven by the landscape of garden-variety condensed matter systems, we have investigated how the dual spectral function behaves at the non-relativistic as well as relativistic fermionic fixed point by considering the probe Dirac fermion in…

High Energy Physics - Theory · Physics 2012-02-01 Wei-Jia Li , Rene Meyer , Hongbao Zhang

We consider a Dirac field in 2+1 dimensions with a domain wall like defect in its mass, minimally coupled to a dynamical Abelian vector field. The mass of the fermionic field is assumed to have just one linear domain wall, which is…

High Energy Physics - Theory · Physics 2009-11-07 L. Da Rold , C. D. Fosco , A. Lopez

The Hawking radiation spectrum of Kerr-Sen axion-dilaton black holes is derived, in the context of dark spinors tunnelling across the horizon. Since a black hole has a well defined temperature, it should radiate in principle all the…

General Relativity and Quantum Cosmology · Physics 2016-01-14 R. T. Cavalcanti , Roldao da Rocha

We discuss both classical and semiclassical properties of extremal black holes in theories where the dilaton and a modulus field are present. We find that the corresponding 2-dim geometry is asymptotically anti-de Sitter rather then…

High Energy Physics - Theory · Physics 2010-11-01 M. Cadoni , S. Mignemi

We examined analytically and proposed a numerical model of an Abelian Higgs dark matter vortex in the spacetime of a stationary axisymmetric Kerr black hole. In analytical calculations the dark matter sector was modeled by an addition of a…

General Relativity and Quantum Cosmology · Physics 2018-04-02 Łukasz Nakonieczny , Anna Nakonieczna , Marek Rogatko

Zero-energy solutions of the Dirac equation for the fermions bound to giant vortices of large winding number $n$ are studied in the abelian Higgs and Chern-Simons Higgs models. The case of Jackiw-Rossi theory of the Majorana states in…

High Energy Physics - Theory · Physics 2023-06-28 Logan Gates , Alexander A. Penin

In curved space-time, Hamilton-Jacobi equation is a semi-classical particle's motion equation, which plays an important role in the research of black hole physics. In this paper, starting from Dirac equation describing the spin 1/2 fermion…

General Relativity and Quantum Cosmology · Physics 2017-05-24 Guo-Ping Li , Zhong-Wen Feng , Hui-Ling Li , Xiao-Tao Zu

Dirac fermions, subject to external magnetic fields and in the presence of mass orders that assume topologically nontrivial spatial textures such as domain wall and vortices, for example, bind robust midgap states at zero energy, the number…

Mesoscale and Nanoscale Physics · Physics 2025-12-15 Bitan Roy

In this paper the question of emission of fermions in the process of dilaton black hole evolution and its characters for different dilaton coupling constants $\alpha$ is studied. The main quantity of interest, the greybody factors are…

High Energy Physics - Theory · Physics 2014-09-18 Jahed Abedi , Hessamaddin Arfaei

We study the gravi-dilaton field of a Schwarzschild black hole pierced by a thin cosmic string in both massless and massive dilatonic gravity. We conclude that in the thin vortex approximation the string's spacetime is asymptotically flat…

General Relativity and Quantum Cosmology · Physics 2016-08-31 Caroline Santos

Black holes offer a unique laboratory for fundamental physics and are crucial for probing theories beyond Einstein's theory of General Relativity. In this paper, we consider 4D effective field theories with scalar fields. We focus on…

General Relativity and Quantum Cosmology · Physics 2025-01-27 Chloe Richards , Alexandru Dima , Deborah Ferguson , Helvi Witek

We investigate the quasinormal modes of polar metric-dilaton perturbations around the dilaton-Euler-Heisenberg (dEH) black holes with dilaton hair obtained from the Einstein-Maxwell-dilaton theory with two dilaton coupling constants…

General Relativity and Quantum Cosmology · Physics 2026-01-21 Sheng-Yuan Li , Yun Soo Myung , Ming Zhang , Xufen Zhang , De-Cheng Zou

We study two dimensional dilaton gravity and supergravity following hamiltonian methods. Firstly, we consider the structure of constraints of 2D dilaton gravity and then the 2D dilaton supergravity is obtained taking the squere root of the…

General Relativity and Quantum Cosmology · Physics 2009-10-22 J. Gamboa , Y. Georgelin

In this paper, starting from vortices we are finally lead to a treatment of Fermions as Kerr-Newman type Black Holes wherein we identify the horizon at the particle's Compton wavelength periphery. A naked singularity is avoided and the…

Quantum Physics · Physics 2007-05-23 B. G. Sidharth

We study the zero energy modes that arise in an unusual vortex configuration involving both the kinetic energy and an appropriate mass term in a model which exhibits birefringent Dirac fermions as its low energy excitations. We find the…

Strongly Correlated Electrons · Physics 2018-12-13 Bitan Roy , Peter M. Smith , Malcolm P. Kennett
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