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String theory abounds with light scalar fields (the dilaton and various moduli) which create a host of observational problems, and notably some serious cosmological difficulties similar to the ones associated with the Polonyi field in the…

高能物理 - 理论 · 物理学 2009-10-28 Thibault Damour , Alexander Vilenkin

Unstable D-particles in type-IIB string theory correspond to sphaleron solutions in the dual gauge theory. We construct an explicit time-dependent solution for the sphaleron decay on S^3 x R, as well as the coherent state corresponding to…

高能物理 - 理论 · 物理学 2009-11-10 Kasper Peeters , Marija Zamaklar

We study the physics of ultracold dipolar bosons in optical lattices. We show that dipole-dipole interactions lead to the appearance of many insulating metastable states. We study the stability and lifetime of these states using a…

其他凝聚态物理 · 物理学 2010-08-10 C. Trefzger , C. Menotti , M. Lewenstein

Superposition states of circular currents of exciton-polaritons mimic the superconducting flux qubits. The phase of a polariton fluid must change by an integer number of $2\pi$, when going around the ring. If one introduces a ${\pi}$-phase…

介观与纳米尺度物理 · 物理学 2021-02-03 Yan Xue , Igor Chestnov , Evgeny Sedov , Evgeny Kiktenko , Aleksey Fedorov , Stefan Schumacher , Xuekai Ma , Alexey Kavokin

We discuss deep inelastic scattering at high energies as a critical phenomenon in 2+1 space - time dimensions. In the limit of Bjorken $x \to 0$, $QCD$ SU(3) with quark fields becomes a critical theory with a diverging correlation length…

高能物理 - 唯象学 · 物理学 2009-11-07 Hans J. Pirner , Feng Yuan

We present a comprehensive study of hydrodynamic theories for superfluids with dipole symmetry. Taking diffusion as an example, we systematically construct a hydrodynamic framework that incorporates an intrinsic dipole degree of freedom in…

高能物理 - 理论 · 物理学 2024-08-02 Aleksander Głódkowski , Francisco Peña-Benítez , Piotr Surówka

We propose the entanglement dipole polarization to describe the topological quadrupole phase. The quadrupole moment can be regarded as a pair of the dipole moment, in which the total dipole moment is canceled. The entanglement polarization,…

介观与纳米尺度物理 · 物理学 2018-08-01 T. Fukui , Y. Hatsugai

High-dimensional/high-fidelity nonlinear dynamical systems appear naturally when the goal is to accurately model real-world phenomena. Many physical properties are thereby encoded in the internal differential structure of these resulting…

数值分析 · 数学 2024-03-14 Peter Benner , Serkan Gugercin , Steffen W. R. Werner

In this paper, we investigate the problem of designing compact support interpolation kernels for a given class of signals. By using calculus of variations, we simplify the optimization problem from an infinite nonlinear problem to a finite…

多媒体 · 计算机科学 2011-05-03 Ramtin Madani , Ali Ayremlou , Arash Amini , Farrokh Marvasti

We have developed a novel method to describe superradiance and related cooperative and collective effects in a closed form. Using the method we derive a two-atom master equation in which any complexity of atomic levels, semiclassical…

量子物理 · 物理学 2007-05-23 S. F. Yelin , M. Kostrun , Tun Wang , M. Fleischhauer

We extend the well-known theoretical treatment of the spontaneous symmetry breaking (SSB) in two-component systems, combining linear coupling and self-attractive nonlinearity, to a system in which the linear coupling competes with repulsive…

斑图形成与孤子 · 物理学 2020-08-12 Hidetsugu Sakaguchi , Boris A. Malomed

We present a novel solution technique for the blind subspace deconvolution (BSSD) problem, where temporal convolution of multidimensional hidden independent components is observed and the task is to uncover the hidden components using the…

统计方法学 · 统计学 2012-01-04 Zoltan Szabo , Barnabas Poczos , Andras Lorincz

Signal Temporal Logic (STL) inference seeks to extract human-interpretable rules from time-series data, but existing methods lack formal confidence guarantees for the inferred rules. Conformal prediction (CP) is a technique that can provide…

机器学习 · 计算机科学 2025-10-23 Danyang Li , Yixuan Wang , Matthew Cleaveland , Mingyu Cai , Roberto Tron

Spin-split superconductors offer new functionality compared to conventional superconductors such as diode-effects and efficient thermoelectricity. The superconducting state can nevertheless only withstand a small amount of spin-splitting.…

超导电性 · 物理学 2024-05-15 Johanne Bratland Tjernshaugen , Morten Amundsen , Jacob Linder

We develop a theory of a pseudogap state appearing near the superconductor-insulator transition in strongly disordered metals with attractive interaction. We show that such an interaction combined with the fractal nature of the single…

超导电性 · 物理学 2007-05-23 Michael V. Feigel'man , Lev B. Ioffe , Emil A. Yuzbashyan

We study the late time behavior of the boundary state representing the rolling tachyon constructed by Sen. It is found that the coupling of the rolling tachyon to massive modes of the closed string grows exponentially as the system evolves.…

高能物理 - 理论 · 物理学 2014-11-18 T. Okuda , S. Sugimoto

High-fidelity simulation of complex physical systems is exorbitantly expensive and inaccessible across spatiotemporal scales. Recently, there has been an increasing interest in leveraging deep learning to augment scientific data based on…

机器学习 · 计算机科学 2022-08-03 Pu Ren , Chengping Rao , Yang Liu , Zihan Ma , Qi Wang , Jian-Xun Wang , Hao Sun

Superstring theory, models with extra dimensions and other SUSY models generically predict that the coupling constants are in fact vacuum expectation values of fields like the dilaton, moduli etc. Assuming some of these fields are light…

天体物理学 · 物理学 2007-05-23 Lev Kofman

Continual learning (CL) aims to learn a sequence of tasks without forgetting the previously acquired knowledge. However, recent CL advances are restricted to supervised continual learning (SCL) scenarios. Consequently, they are not scalable…

机器学习 · 计算机科学 2022-04-06 Divyam Madaan , Jaehong Yoon , Yuanchun Li , Yunxin Liu , Sung Ju Hwang

We construct an improved soft-wall AdS/QCD model with a cubic coupling term of the dilaton and the bulk scalar field. The background fields in this model are solved from the Einstein-dilaton system with a nontrivial dilaton potential, which…

高能物理 - 唯象学 · 物理学 2020-06-23 Zhen Fang , Yue-Liang Wu