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Following Dirac's brane variation prescription, the brane must not be deformed during the variation process, or else the linearity of the variation may be lost. Alternatively, the variation of the brane is done, in a special Dirac frame, by…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Aharon Davidson , Ilya Gurwich

We discuss the collective modes in a harmonically trapped, highly-elongated Bose condensed gas. The transverse breathing mode exhibits a number of interesting features, such as the insensitivity of the condensate mode frequency to the…

Statistical Mechanics · Physics 2007-05-23 B. Jackson , E. Zaremba

We study rolling radion dynamics of electrified D-brane in NS5-brane background, both in effective field theory and in full open string theory. We construct exact boundary states and, from them, extract conserved Noether currents. We argue…

High Energy Physics - Theory · Physics 2009-11-10 Yu Nakayama , Kamal L. Panigrahi , Soo-Jong Rey , Hiromitsu Takayanagi

We study the finite-temperature transition to the $m=1/2$ magnetization plateau in a model of interacting $S=1/2$ spins with longer range interactions and strong exchange anisotropy on the geometrically frustrated Shastry-Sutherland…

Strongly Correlated Electrons · Physics 2015-05-20 T. Suzuki , P. Sengupta , Y. Tomita , N. Kawashima

In the strange metal phase of the high-$T_{c}$ cuprates, it is challenging to explain the linear temperature dependence of the in-plane resistivity and the quadratic temperature dependence of the inverse Hall angle. In this paper, we…

High Energy Physics - Theory · Physics 2019-09-04 Qingyu Gan , Peng Wang , Haitang Yang

We investigate the thermodynamics of the recently obtained finite temperature BIon solution of arXiv:1012.1494, focusing on two aspects. The first concerns comparison of the free energy of the three available phases for the finite…

High Energy Physics - Theory · Physics 2011-07-19 Gianluca Grignani , Troels Harmark , Andrea Marini , Niels A. Obers , Marta Orselli

We discuss the description of generic excited states in the quantum deformed AdS_5 x S^5 mirror thermodynamic Bethe ansatz and derive the associated Y-system. This Y-system shows an interesting new feature; it depends explicitly on the…

High Energy Physics - Theory · Physics 2015-06-11 Gleb Arutyunov , Marius de Leeuw , Stijn J. van Tongeren

We construct the thermal bounce solution in holographic models that describes first-order phase transitions between the deconfined and confined phases in strongly-coupled gauge theories. This new, periodic Euclidean solution represents…

High Energy Physics - Phenomenology · Physics 2025-10-14 Tony Gherghetta , Arpon Paul , Andrey Shkerin

The Kibble-Zurek mechanism describes the evolution of topological defect structures like domain walls, strings, and monopoles when a system is driven through a second order phase transition. The model is used on very different scales like…

Soft Condensed Matter · Physics 2015-10-16 Sven Deutschländer , Patrick Dillmann , Georg Maret , Peter Keim

In order to explore the properties of a two-sublattice ferroelectric, we measured the infrared and Raman scattering response of CuInP2S6 across the ferroelectric and glassy transitions and compared our findings to a symmetry analysis,…

The radion equilibrium in the Randall-Sundrum (RS) model is guaranteed by the back-reaction of a bulk scalar field. In this paper we study an extended scenario, where an intermediate brane exists in addition to the two branes at the fixed…

High Energy Physics - Theory · Physics 2022-04-18 Haiying Cai

We show that the use of higher dimensional wrapped branes can significantly extend the inflaton field range compared to brane inflation models which use D3-branes. We construct a simple inflationary model in terms of 5-branes wrapping a…

High Energy Physics - Theory · Physics 2008-11-26 Melanie Becker , Louis Leblond , Sarah Shandera

We propose an embedding of standard active particle models in terms of two-temperature processes. One temperature refers to an ambient thermal bath, and the other temperature effectively describes ``hot spots,'' i.e., systems with few…

Statistical Mechanics · Physics 2024-01-23 Faezeh Khodabandehlou , Christian Maes

Comprehensive x-ray scattering studies, including resonant scattering at Mn L-edge, Tb L- and M-edges, were performed on single crystals of TbMn2O5. X-ray intensities were observed at a forbidden Bragg position in the ferroelectric phases,…

We propose a simple modification of the Goldberger-Wise mechanism for stabilizing the scale of spontaneously broken conformal theories. The source of explicit conformal symmetry breaking is a relevant operator with a small coefficient, as…

High Energy Physics - Phenomenology · Physics 2023-07-26 Csaba Csáki , Michael Geller , Zamir Heller-Algazi , Ameen Ismail

We report a molecular dynamics study of ab initio quality of the ferroelectric phase transition in crystalline PbTiO3. We model anharmonicity accurately in terms of potential energy and polarization surfaces trained on density functional…

Materials Science · Physics 2025-04-02 Pinchen Xie , Yixiao Chen , Weinan E , Roberto Car

We discuss a recent resonant ultrasound spectroscopy (RUS) study of YBa$_2$Cu$_3$O$_{6+\delta}$, which infers a line of phase transitions bounding the pseudogap phase and argue that this scenario is not supported by thermodynamic evidence.…

Superconductivity · Physics 2014-05-12 J. R. Cooper , J. W. Loram , I. Kokanović , J. G. Storey , J. L. Tallon

We investigate the out of equilibrium dynamics of the two-dimensional XY model when cooled across the Berezinskii-Kosterlitz-Thouless (BKT) phase transition using different protocols. We focus on the evolution of the growing correlation…

Statistical Mechanics · Physics 2015-03-17 Asja Jelic , Leticia F. Cugliandolo

Contradictory experiments have been reported about the dimensionality effect on the charge-density-wave transition in 2H NbSe$_2$. While scanning tunnelling experiments on single layers grown by molecular beam epitaxy measure a…

Mesoscale and Nanoscale Physics · Physics 2020-09-02 Raffaello Bianco , Lorenzo Monacelli , Matteo Calandra , Francesco Mauri , Ion Errea

Electrostatic gyrokinetic instabilities and turbulence in the Wendelstein 7-X stellarator are studied. Particular attention is paid to the ion-temperature-gradient (ITG) instability and its character close to marginal stability…

Plasma Physics · Physics 2024-07-25 L. Podavini , A. Zocco , J. M. García-Regaña , M. Barnes , F. I. Parra , A. Mishchenko , P. Helander