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A one-electron Schroedinger equation based on special one-electron potentials for atoms is shown to exist that produces orbitals for an arbitrary molecule that are sufficiently accurate to be used without modification to construct single-…

化学物理 · 物理学 2022-05-16 Jerry L. Whitten

Quantum interfaces between polarized atomic ensembles and coherent states of light, applied recently to manipulate bipartite and multipartite entanglement, are revisited by means of a continuous-variable formalism. The explicit use of the…

量子物理 · 物理学 2011-06-28 Julia Stasińska , Simone Paganelli , Carles Rodó , Anna Sanpera

Simple models for spherical particles with a soft shell have been shown to self-assemble into numerous crystal phases and even quasicrystals. However, most of these models rely on a simple pairwise interaction, which is usually a valid…

软凝聚态物质 · 物理学 2020-09-03 Emanuele Boattini , Nina Bezem , Sudeep N. Punnathanam , Frank Smallenburg , Laura Filion

The forthcoming communication systems are advancing towards improved flexibility in various aspects. Improved flexibility is crucial to cater diverse service requirements. This letter proposes a novel waveform design scheme that exploits…

信号处理 · 电气工程与系统科学 2019-02-19 Mostafa Ibrahim , Ali Fatih Demir , Huseyin Arslan

The present work investigates the fluid-structure interaction (FSI) of a flexible cylindrical cantilever in a tandem configuration. A fully coupled fluid-structure solver based on the three-dimensional incompressible Navier-Stokes equations…

流体动力学 · 物理学 2024-08-07 Shayan Heydari , Rajeev K Jaiman

In this paper we propose the idea of expanding the space of variations in standard variational calculations for the energy by considering the wave function $\psi$ to be a functional of a set of functions $\chi: \psi = \psi[\chi]$, rather…

原子物理 · 物理学 2009-11-10 Xiao-Yin Pan , Viraht Sahni , Lou Massa

Cable subsystems characterized by long, slender, and flexible structural elements are featured in numerous engineering systems. In each of them, interaction between an individual cable and the surrounding fluid is inevitable. Such a…

计算工程、金融与科学 · 计算机科学 2019-11-11 Daniel Z. Huang , Philip Avery , Charbel Farhat

We discuss an extension of time-dependent density-functional theory by a self-interaction correction (SIC). A strictly variational formulation is given taking care of the necessary constraints. A manageable and transparent propagation…

其他凝聚态物理 · 物理学 2009-11-13 J. Messud , P. M. Dinh , P. -G. Reinhard , E. Suraud

We demonstrate a break-down in the macroscopic (classical-like) dynamics of wave-packets in complex microscopic and mesoscopic collisions. This break-down manifests itself in coherent superpositions of the rotating clockwise and…

量子物理 · 物理学 2009-11-07 S. Yu. Kun , L. Benet , L. T. Chadderton , W. Greiner , F. Haas

Passive and linear nonreciprocal networks at microwave frequencies hold great promises in enabling new front-end architectures for wireless communication systems. Their nonreciprocity has been achieved by disrupting the time-reversal…

信号处理 · 电气工程与系统科学 2019-01-03 Ruochen Lu , John Krol , Liuqing Gao , Songbin Gong

We reformulate the projected imaginary-time evolution of Full Configuration Interaction Quantum Monte Carlo in terms of a Lagrangian minimization. This naturally leads to the admission of polynomial complex wavefunction parameterizations,…

强关联电子 · 物理学 2017-05-03 Lauretta R. Schwarz , A. Alavi , George H. Booth

We introduce a variational wavefunction for many-body ground states that involves imaginary time evolution with two different Hamiltonians in an alternating fashion with variable time intervals. We successfully apply the ansatz on the one-…

强关联电子 · 物理学 2019-09-25 Matthew J. S. Beach , Roger G. Melko , Tarun Grover , Timothy H. Hsieh

Confined quantum systems involving $N$ identical interacting fermions are found in many areas of physics, including condensed matter, atomic, nuclear and chemical physics. In a previous series of papers, a manybody perturbation method that…

量子物理 · 物理学 2015-06-18 D. K. Watson

Flexible antenna arrays (FAAs), distinguished by their rotatable, bendable, and foldable properties, are extensively employed in flexible radio systems to achieve customized radiation patterns. This paper aims to illustrate that FAAs,…

信号处理 · 电气工程与系统科学 2025-04-01 Songjie Yang , Jiancheng An , Yue Xiu , Wanting Lyu , Boyu Ning , Zhongpei Zhang , Merouane Debbah , Chau Yuen

Deep learning-based channel state information (CSI) feedback schemes demonstrate strong compression capabilities but are typically constrained to fixed system configurations, limiting their generalization and flexibility. To address this…

信号处理 · 电气工程与系统科学 2025-08-08 Xuanyu Liu , Shijian Gao , Boxun Liu , Xiang Cheng , Liuqing Yang

Inspired by our earlier semi-stochastic work aimed at converging high-level coupled-cluster (CC) energetics [J. E. Deustua, J. Shen, and P. Piecuch, Phys. Rev. Lett. 119, 223003 (2017); J. Chem. Phys. 154, 124103 (2021)], we propose a novel…

化学物理 · 物理学 2022-10-06 Karthik Gururangan , J. Emiliano Deustua , Jun Shen , Piotr Piecuch

Doubly occupied configuration interaction (DOCI), the exact diagonalization of the Hamiltonian in the paired (seniority zero) sector of the Hilbert space, is a combinatorial cost wave function that can be very efficiently approximated by…

化学物理 · 物理学 2020-05-14 Jacob M. Wahlen-Strothman , Thomas M. Henderson , Gustavo E. Scuseria

In this paper, we consider the flow of an incompressible fluid in a deformable porous solid. We present a mathematical model using the framework offered by the theory of interacting continua. In its most general form, this framework…

数值分析 · 计算机科学 2013-02-27 D. Z. Turner , K. B. Nakshatrala , M. J. Martinez

Swimming and flying animals demonstrate remarkable adaptations to diverse flow conditions in their environments. In this study, we aim to advance the fundamental understanding of the interaction between flexible bodies and heterogeneous…

流体动力学 · 物理学 2025-12-16 Abdur Rehman , Daniel Floryan

Wireless Network-on-Chip (WNoC) has emerged as a promising alternative to conventional interconnect fabrics at the chip scale. Since WNoCs may imply the close integration of antennas, one of the salient challenges in this scenario is the…

新兴技术 · 计算机科学 2019-06-14 S. Abadal , A. Marruedo , A. Franques , H. Taghvaee , A. Cabellos-Aparicio , J. Zhou , J. Torrellas , E. Alarcón
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