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In the AdS/CFT framework meson thermalization in the presence of a constant external magnetic field in a strongly coupled gauge theory has been studied. In the gravitational description the thermalization of mesons corresponds to the…

High Energy Physics - Theory · Physics 2015-06-12 Mohammad Ali-Akbari , Hajar Ebrahim

We present holographic descriptions of thermalization in conformal field theories using probe D-branes in AdS X S space-times. We find that the induced metrics on Dp-brane worldvolumes which are rotating in an internal sphere direction have…

High Energy Physics - Theory · Physics 2015-03-17 Sumit R. Das , Tatsuma Nishioka , Tadashi Takayanagi

The dynamics of a probe brane in a given gravitational background is governed by the Dirac-Born-Infeld action. The corresponding open string metric arises naturally in studying the fluctuations on the probe. In Gauge-String duality, it is…

High Energy Physics - Theory · Physics 2016-03-23 Avik Banerjee , Arnab Kundu , Sandipan Kundu

We exploit the AdS/CFT correspondence to investigate thermalization in an N=2 strongly coupled gauge theory including massless fundamental matter (quark). More precisely, we consider the response of a zero temperature state of the gauge…

High Energy Physics - Theory · Physics 2016-06-29 S. Amiri-Sharifi , M. Ali-Akbari , A. Kishani-Farahani , N. Shafie

We investigate gauge/gravity duals with flavour for which pure-gauge Kalb-Ramond B fields are turned on in the background, into which a D7 brane probe is embedded. First we consider the case of a magnetic field in two of the spatial…

High Energy Physics - Theory · Physics 2009-06-11 Johanna Erdmenger , Rene Meyer , Jonathan P. Shock

We study the temperature of extended objects in string theory. Rotating probe D-branes admit horizons and temperatures a la Unruh effect. We find that the induced metrics on slow rotating probe D1-branes in holographic string solutions…

High Energy Physics - Theory · Physics 2016-08-04 Dariush Kaviani , Amir Esmaeil Mosaffa

We present a mechanism for exit from inflation and reheating using the AdS/CFT correspondence. A cosmological evolution is induced on a probe D3-brane as it moves in a black D-brane background of type-0 string theory. If the tachyon field…

High Energy Physics - Theory · Physics 2009-11-10 E. Papantonopoulos , V. Zamarias

We use the AdS/CFT correspondence to study a thermally isolated conformal field theory in four dimensions which undergoes a repeated deformation by an external periodic time-dependent source coupled to an operator of dimension Delta. The…

High Energy Physics - Theory · Physics 2013-12-03 Roberto Auzzi , Shmuel Elitzur , Sven Bjarke Gudnason , Eliezer Rabinovici

Using the AdS/CFT correspondence for strongly coupled gauge theories, we calculate thermalization of mesons caused by a time-dependent change of a baryon number chemical potential. On the gravity side, the thermalization corresponds to a…

High Energy Physics - Theory · Physics 2013-05-29 Koji Hashimoto , Norihiro Iizuka , Takashi Oka

We apply a new description of thermal fundamental string probes to the study of finite temperature Wilson loops in the context of the AdS/CFT correspondence. Previously this problem has been considered using extremal probes even though the…

High Energy Physics - Theory · Physics 2015-06-03 Gianluca Grignani , Troels Harmark , Andrea Marini , Niels A. Obers , Marta Orselli

We study the effective geometry felt by the fluctuations of open strings living on the worldvolume of probe D-branes in the presence of background electromagnetic fields. This is captured by an effective action consisting of a Maxwell term…

High Energy Physics - Theory · Physics 2015-05-27 Keun-Young Kim , Jonathan P. Shock , Javier Tarrio

The dynamics of a probe D7-brane in an asymptotically AdS-Vaidya background has been investigated in the presence of an external magnetic field. Holographically, this is dual to the dynamical meson melting in the N = 2 super Yang-Milles…

High Energy Physics - Theory · Physics 2016-07-05 M. Ali-Akbari , F. Charmchi , A. Davody , H. Ebrahim , L. Shahkarami

The open string metric arises kinematically in studying fluctuations of open string degrees of freedom on a D-brane. An observer, living on a probe D-brane, can send signals through the spacetime by using such fluctuations on the probe,…

High Energy Physics - Theory · Physics 2016-11-03 Avik Banerjee , Arnab Kundu , Sandipan Kundu

We study various aspects of the defect conformal field theory that arises when placing a single M5-brane probe in AdS_4 x S^7. We derive the full set of fluctuation modes and dimensions of the corresponding dual operators. We argue that the…

High Energy Physics - Theory · Physics 2011-03-28 Bartomeu Fiol

We show that a dynamical transition from a non-heating to a heating phase of a periodic $SL(2,\mathbb{R})$ driven two-dimensional conformal field theory (CFT) with a large central charge is perceived as a first order transition by a bulk…

High Energy Physics - Theory · Physics 2022-12-09 Suchetan Das , Bobby Ezhuthachan , Arnab Kundu , Somnath Porey , Baishali Roy , K. Sengupta

We study the temperature of rotating probe D7-branes, dual to the temperature of flavored quarks, in the Kuperstein--Sonnenschein holographic model including the effects of spontaneous breakdown of the conformal and chiral flavor symmetry.…

High Energy Physics - Theory · Physics 2017-03-22 Dariush Kaviani

Using the AdS/CFT correspondence we study the holographic principle and the CFT/FRW relations in the near-horizon AdS(5)xS(5) geometry with a probe D3-brane playing the role of the boundary to this space. The motion of the probe D3-brane in…

High Energy Physics - Theory · Physics 2009-11-10 E. Papantonopoulos , V. Zamarias

We analyze the Thermodynamic Bethe Ansatz equations for the mirror model which determine the ground state energy of the light-cone AdS_5 x S^5 superstring living on a cylinder. The light-cone momentum of string is equal to the circumference…

High Energy Physics - Theory · Physics 2014-11-20 Sergey Frolov , Ryo Suzuki

In this paper, we demonstrate external control over the magnetization direction in ferromagnetic (FM) In_{1-x}Mn_{x}As/GaSb heterostructures. FM ordering with T_C as high as 50 K is confirmed by SQUID magnetization, anomalous Hall effect…

The strongly coupled dynamics of black hole formation in bulk AdS is conjectured to be dual to the thermalization of a weakly interacting CFT on the boundary for low $N$ which, for $N\to\infty$, becomes strongly coupled. We search for this…

High Energy Physics - Theory · Physics 2020-06-23 Shaun Hampton
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