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We study certain supersymmetry breaking deformations of linear dilaton backgrounds in different dimensions. In some cases, the deformed theory has bulk closed strings tachyons. In other cases there are no bulk tachyons, but there are…

高能物理 - 理论 · 物理学 2009-11-11 Nissan Itzhaki , David Kutasov , Nathan Seiberg

The strict complementary slackness condition (SCSC) is an important concept in the duality theory of linear programming (LP). The current study aims at extending this concept to the framework of linear fractional programming (LFP). First,…

最优化与控制 · 数学 2016-03-03 Mahmood Mehdiloozad , Kaoru Tone , Mohammad Bagher Ahmadi

We compute instanton corrections to the partition function of sine-Liouville (SL) theory, which provides a worldsheet description of two-dimensional string theory in a non-trivial tachyon background. We derive these corrections using a…

高能物理 - 理论 · 物理学 2024-11-05 Sergei Alexandrov , Raghu Mahajan , Ashoke Sen

We demonstrate the inadequacy of mean-field theory by exploring the effects of initial state correlations on the dynamics of continuous time crystals, necessitating higher-order cumulant expansions. We exemplify this using cat states for…

量子物理 · 物理学 2025-03-18 Ankan Mukherjee , Yeshma Ibrahim , Michal Hajdušek , Sai Vinjanampathy

Predicting and reasoning about the future lie at the heart of many time-series questions. For example, goal-conditioned reinforcement learning can be viewed as learning representations to predict which states are likely to be visited in the…

机器学习 · 计算机科学 2025-10-10 Chongyi Zheng , Ruslan Salakhutdinov , Benjamin Eysenbach

Continual Learning (CL) aims to learn new data while remembering previously acquired knowledge. In contrast to CL for image classification, CL for Object Detection faces additional challenges such as the missing annotations problem. In this…

The stochastic density functional theory (DFT) [Phys. Rev. Lett. 111, 106402 (2013)] is a valuable linear scaling approach to Kohn-Sham DFT that does not rely on the sparsity of the density matrix. Linear (and often sub-linear) scaling is…

化学物理 · 物理学 2019-02-20 Ming Chen , Roi Baer , Daniel Neuhauser , Eran Rabani

Scale factor duality, a truncated form of time dependent T-duality, is a symmetry of string effective action in cosmological backgrounds interchanging small and large scale factors. The symmetry suggests a cosmological scenario…

高能物理 - 理论 · 物理学 2009-10-31 Ram Brustein

In a quasi-1D thermal convective system consisting of a large array of nonlinearly coupled oscillators, clustering is the way to achieve a regime of mostly antiphase synchronized oscillators. This regime is characterized by a spatiotemporal…

混沌动力学 · 物理学 2011-03-10 M. A. Miranda , J. Burguete

A layered system of charges with logarithmic interaction parallel to the layers and random dipoles in each layer is studied via a variational method and an energy rationale. These methods reproduce the known phase diagram for a single layer…

无序系统与神经网络 · 物理学 2009-11-10 Baruch Horovitz , Pierre Le Doussal

We compute the one-loop partition function for quadratic tachyon background in open string theory. Both closed and open string representations are developed. Using these representations we study the one-loop divergences in the partition…

高能物理 - 理论 · 物理学 2007-05-23 K. Bardakci , A. Konechny

Based on the sampling theorem, interpolation should be conducted by employing the sinc functions as the kernels. Inspired by the fact that the discrete Fourier transform (DFT) is sampled from the discrete time Fourier transform, a fast…

信号处理 · 电气工程与系统科学 2024-07-10 Zijun Gong

We examine the endpoint region of inclusive deep inelastic scattering at next-to-leading power (NLP). Using a soft-collinear effective theory approach with no explicit soft or collinear modes, we discuss the factorization of the cross…

高能物理 - 唯象学 · 物理学 2023-04-24 Michael Luke , Jyotirmoy Roy , Aris Spourdalakis

Signal delay poses a fundamental challenge in continuous control and reinforcement learning (RL) by introducing a temporal gap between interaction and perception. Current solutions have largely evolved along two distinct paradigms:…

人工智能 · 计算机科学 2026-03-03 Dongqi Han , Wei Wang , Enze Zhang , Dongsheng Li

In this work, we develop a perturbation theory to analyze resonant states near a bound state in the continuum (BIC) in photonic crystal slabs. The theory allows us to rigorously determine the asymptotic behavior of $Q$-factor and the…

光学 · 物理学 2024-12-10 Nan Zhang , Ya Yan Lu

In sparse-view Computed Tomography (CT), only a small number of projection images are taken around the object, and sinogram interpolation method has a significant impact on final image quality. When the amount of sparsity (the amount of…

医学物理 · 物理学 2019-02-14 Xu Dong , Swapnil Vekhande , Guohua Cao

The task of reconstructing smooth signals from streamed data in the form of signal samples arises in various applications. This work addresses such a task subject to a zero-delay response; that is, the smooth signal must be reconstructed…

机器学习 · 计算机科学 2023-08-22 Emilio Ruiz-Moreno , Luis Miguel López-Ramos , Baltasar Beferull-Lozano

We extend the KKLT approach to moduli stabilization by including the dilaton and the complex structure moduli into the effective supergravity theory. Decoupling of the dilaton is neither always possible nor necessary for the existence of…

高能物理 - 理论 · 物理学 2008-11-26 K. Choi , A. Falkowski , H. P. Nilles , M. Olechowski , S. Pokorski

In this paper we generalise the main result of a recent work by J. L. Cardy and the present authors concerning the bi-partite entanglement entropy between a connected region and its complement. There the expression of the leading order…

高能物理 - 理论 · 物理学 2008-11-26 O. A. Castro-Alvaredo , B. Doyon

We extend the density-functional theory for superconductors (SCDFT) to take account of the dynamical structure of the screened Coulomb interaction. We construct an exchange-correlation kernel in the SCDFT gap equation on the basis of the…

超导电性 · 物理学 2014-01-08 Ryosuke Akashi , Ryotaro Arita