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Related papers: Schwinger Effect in a Twice Anisotropic Holographi…

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Using the AdS/CFT correspondence, we construct the holographic dual of a tunneling instanton describing Schwinger pair creation in de Sitter space. Our approach allows us to extract the critical value of the electric field for which the…

High Energy Physics - Theory · Physics 2015-05-06 Willy Fischler , Phuc H. Nguyen , Juan F. Pedraza , Walter Tangarife

The holographic Schwinger effect is investigated in systems with $N_{f}=0$, $N_{f}=2$, and $N_{f}=2+1$ using the Einstein-Maxwell-dilaton (EMD) model, incorporating equation of state and baryon number susceptibility information from lattice…

High Energy Physics - Phenomenology · Physics 2025-01-20 Sheng Lin , Xuan Liu , Xun Chen , Gen-Fa Zhang , Jing Zhou

By using AdS/CFT, we study the critical electric field, the Schwinger pair creation rate and the potential phase diagram for the quark and anti quark in four confining supergravity backgrounds which are the Witten QCD, the Maldacena-Nunez,…

High Energy Physics - Theory · Physics 2015-09-25 Mahdis Ghodrati

We investigate the combined effects of anisotropy and a magnetic field in strongly interacting gauge theories by the gauge/gravity correspondence. Our main motivation is the quark-gluon plasma produced in off-central heavy-ion collisions…

High Energy Physics - Theory · Physics 2021-03-25 Umut Gürsoy , Matti Järvinen , Govert Nijs , Juan F. Pedraza

We explore the effect of the magnetic field on the QCD phase transition through AdS/CFT correspondence. By introducing an anisotropic magnetic field in the Einstein-Maxwell-Scalar system, a family of analytic solutions is obtained by the…

High Energy Physics - Theory · Physics 2020-05-05 Song He , Yi Yang , Pei-Hung Yuan

Using the AdS/CFT correspondence, we calculate the vacuum decay rate for the Schwinger effect in confining large $N_{c}$ gauge theories. The instability is induced by the quark antiquark pair creation triggered by strong electromagnetic…

High Energy Physics - Theory · Physics 2014-12-30 Koji Hashimoto , Takashi Oka , Akihiko Sonoda

Using the gauge-gravity duality, we study the holographic Schwinger effect by performing the potential analysis on the confining D3- and D4-brane background with D-instantons then evaluate the pair production/decay rate by taking account…

High Energy Physics - Theory · Physics 2021-09-14 Si-wen Li

We study the effect of higher-derivative terms on holographic Schwinger effect by introducing the Gauss-Bonnet term in the gravity sector. Anti-de Sitter (AdS) soliton background is considered which is dual to confining phase of the…

High Energy Physics - Theory · Physics 2016-05-18 Shao-Jun Zhang , E. Abdalla

I use the holographic gauge/gravity duality to systematically calculate the jet quenching parameters in strongly coupled anisotropic plasmas in the presence of external magnetic fields. The magnetic field breaks down spatial rotation…

High Energy Physics - Phenomenology · Physics 2020-08-11 Romulo Rougemont

In this paper, we follow a `bottom-up' AdS/QCD approach to holographically probe the dynamics of a moving $q\bar{q}$ pair inside a strongly coupled plasma at the boundary. We consider a deformed AdS-Reissner Nordstr\"om metric in the bulk…

High Energy Physics - Theory · Physics 2020-04-27 Ashis Saha , Sunandan Gangopadhyay

The decay of the vacuum due to the presence of an electric field is expected to be delayed by a confining force. We demonstrate that this feature is captured by our model [arXiv:1404.0011 [hep-ph],arXiv:1312.5718 [hep-ph]] for hadrons based…

High Energy Physics - Phenomenology · Physics 2014-08-27 Dennis D. Dietrich

The generalized Fisher super-exchange antiferromagnetic model with uniaxial crystal-field anisotropy is exactly investigated using an extended mapping technique. An exact relation between partition function of the studied system and that…

Statistical Mechanics · Physics 2007-05-23 Lucia Canova , Michal Jascur

The Schwinger effect in the presence of instantons is considered in this paper. Using AdS/CFT correspondence in the near horizon limit of the D3+D($-1$)-brane background, we calculate the total potential of a quark-antiquark pair in an…

High Energy Physics - Theory · Physics 2018-03-15 Leila Shahkarami , Majid Dehghani , Parvin Dehghani

We discuss some aspects of critical electric and magnetic fields in a field theory with holographic dual description. We extend the analysis of arxiv:1109.2920, which finds a critical electric field at which the Schwinger pair production…

High Energy Physics - Theory · Physics 2015-06-11 S. Bolognesi , F. Kiefer , E. Rabinovici

We develop series expansions for the ground state properties of the Hubbard model, by introducing an Ising anisotropy into the Hamiltonian. For the two-dimensional (2D) square lattice half-filled Hubbard model, the ground state energy,…

Condensed Matter · Physics 2009-10-28 Zhu-Pei Shi , Rajiv R. P. Singh

Membrane nucleation, a higher dimensional analog of the Schwinger effect, is a useful toy model for vacuum decay. While a non-perturbative effect, the computation of nucleation rates has only been accomplished at weak coupling in the field…

High Energy Physics - Theory · Physics 2023-01-18 Maite Arcos , Willy Fischler , Juan F. Pedraza , Andrew Svesko

The effects of a magnetic field ($h$) and a space modulation ($\delta$) on the magnetic properties of a one dimensional antiferromagnetic-ferromagnetic Heisenberg spin-1/2 model have been studied by means of numerical exact diagonalization…

Strongly Correlated Electrons · Physics 2015-05-27 Saeed Mahdavifar , Jahanfar Abouie

To reveal the Schwinger effect for quarks, i.e., pair creation process of quarks and antiquarks, we derive the vacuum decay rate at strong coupling using AdS/CFT correspondence. Magnetic fields, in addition to the electric field responsible…

High Energy Physics - Theory · Physics 2015-06-19 Koji Hashimoto , Takashi Oka , Akihiko Sonoda

This paper investigates the Casimir effect of a wedge and its holographic dual. We prove that the displacement operator universally determines the wedge Casimir effect in the smooth limit. Besides, we argue that the wedge Casimir energy…

High Energy Physics - Theory · Physics 2024-06-17 Rong-Xin Miao

Pair production in inhomogeneous electric fields with symmetrical frequency chirp is studied numerically using the Dirac-Heisenberg-Wigner formalism. We investigate high- and low-frequency modes and consider two carrier envelope phases.…

High Energy Physics - Phenomenology · Physics 2021-07-21 Melike Mohamedsedik , Lie-Juan Li , B. S. Xie