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We investigate compressive turbulence at sub-ion scales with measurements from the Magnetospheric MultiScale Mission. The tetrahedral configuration and high time resolution density data obtained by calibrating spacecraft potential allow an…

We present a theory of a degenerate atomic Fermi gas, interacting through a narrow Feshbach resonance, whose position and therefore strength can be tuned experimentally, as demonstrated recently in ultracold trapped atomic gases. The…

Superconductivity · Physics 2007-05-23 V. Gurarie , L. Radzihovsky

Eavesdroppers of wireless signals want to infer as much as possible regarding the transmitter (Tx). Popular methods to minimize information leakage to the eavesdropper include covert communication, directional modulation, and beamforming…

Signal Processing · Electrical Eng. & Systems 2025-03-07 Georgios Chrysanidis , Antonios Argyriou , Le-Nam Tran , Yanming Zhang , Yanwei Liu

Spin-wave excitations of quarter-filled spin-density-wave state, which coexists with charge ordering, have been studied for one-dimensional extended Hubbard model with the nearest-neighbor repulsive interaction (V) and next-nearest-neighbor…

Strongly Correlated Electrons · Physics 2009-11-07 Y. Tomio , Y. Kurihara , Y. Suzumura

Spin waves (SW) can induce rich domain wall (DW) motion in a perpendicular-magnetic anisotropy nanostrip. In-plane magnetization tilt angle resulting from the fluctuation of the effective field of the magnetization response in the DW region…

Strongly Correlated Electrons · Physics 2017-07-07 Liang-Juan Chang , Yen-Fu Liu , Ming-Yi Kao , Li-Zai Tsai , Jun-Zhi Liang , Shang-Fan Lee

This paper presents the geometry design and analysis of a novel triple scissors links deployable antenna mechanism (TSDAM) to deal with the problems of large aperture and high precision space antennas for deep space communication and Earth…

Systems and Control · Electrical Eng. & Systems 2025-11-25 Mamoon Aamir , Mariyam Sattar , Naveed Ur Rehman Junejo , Aqsa Zafar Abbasi

The efficient transfer of quantum states into a long-lived storage unit such as solid-state spin ensembles is widely recognized as a critical challenge with significant implications for quantum communication, sensing and computing…

Quantum Physics · Physics 2025-12-22 P. Oehrl , F. Fesquet , K. E. Honasoge , M. Handschuh , A. Marx , R. Gross , K. G. Fedorov , H. Huebl

Electronic transport through a 2D deca-nanometer length channel with correlated and anti-correlated surfaces morphologies is studied using the Keldysh non-equilibrium Green function technique. Due to the pseudo-periodicity of these…

Mesoscale and Nanoscale Physics · Physics 2008-12-06 Tony Low , Davood Ansari

Coordinate transformation is applied to design an all-dielectric device for Extraordinary Transmission (ET) in a single sub-wavelength slit. The proposed device has a broadband feature and can be applied from microwave to visible frequency…

Optics · Physics 2015-05-19 Wenxuan Tang , Yang Hao , Francisco Medina

A dispersive delay structure (DDS) is a device that creates a specified group delay function over frequency bandwidth. In this paper, the idea of trapping the electromagnetic waves in a feedback loop is proposed to achieve higher group…

Signal Processing · Electrical Eng. & Systems 2021-07-02 Hossein Nazemi-Rafi , Masoud Movahhedi

The interaction between surface acoustic waves (SAWs) and spin waves (SWs) in a piezoelectric-magnetic thin film heterostructure yields potential for the realization of novel microwave devices and applications in magnonics. In the present…

Materials Science · Physics 2024-06-12 M. Küß , F. Porrati , A. Hörner , M. Weiler , M. Albrecht , M. Huth , A. Wixforth

The integrated Sachs-Wolfe (ISW) effect probes the decay rate ($DR$) of large scale gravitational potential and therefore provides unique constraint on dark energy (DE). However its constraining power is degraded by the ISW measurement,…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-01 Fuyu Dong , Pengjie Zhang , Zeyang Sun , Changbom Park

Ultrasound computed tomography (USCT) is an emerging medical imaging modality that holds great promise for improving human health. Full-waveform inversion (FWI)-based image reconstruction methods account for the relevant wave physics to…

Medical Physics · Physics 2023-10-20 Fu Li , Umberto Villa , Nebojsa Duric , Mark A. Anastasio

The frequency selectivity of wireless communication channels can be characterized by the delay spread Ds of the channel impulse response. If the delay spread is small compared to the bandwidth W of the input signal, that is, Ds*W…

Information Theory · Computer Science 2008-08-07 Georg Böcherer , Daniel Bielefeld

Brillouin light scattering spectroscopy is a powerful technique for the study of fast magnetization dynamics with both frequency- and wavevector resolution. Here, we report on a distinct improvement of this spectroscopic technique towards…

Instrumentation and Detectors · Physics 2013-09-27 C. W. Sandweg , M. B. Jungfleisch , V. I. Vasyuchka , A. A. Serga , P. Clausen , H. Schultheiss , B. Hillebrands , A. Kreisel , P. Kopietz

Gravitational-wave (GW) signals from coalescing compact binaries carry enormous information about the source dynamics and are an excellent tool to probe unknown astrophysics and fundamental physics. Though the updated catalog of compact…

General Relativity and Quantum Cosmology · Physics 2022-03-10 N V Krishnendu , Frank Ohme

Background: Windowed Fourier decompositions (WFD) are widely used in measuring stationary and non-stationary spectral phenomena and in describing pairwise relationships among multiple signals. Although a variety of WFDs see frequent…

Quantitative Methods · Quantitative Biology 2019-01-30 Christopher K. Kovach , Phillip E. Gander

Magnonics attracts increasing attention in the view of novel low-energy computation technologies based on spin waves. Recently, spin-wave propagation in longitudinally magnetized nano-scaled spin-wave conduits was demonstrated, proving the…

For quantitative seismic imaging, iterative least-squares reverse time migration is the recommended approach. The existence of an inverse of the forward modelling operator would considerably reduce the number of required iterations. In the…

Geophysics · Physics 2020-12-11 Milad Farshad , Hervé Chauris

A charge density wave (CDW) is one of the fundamental instabilities of the Fermi surface occurring in a wide range of quantum materials. In dimensions higher than one, where Fermi surface nesting can play only a limited role, the selection…