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Magnetic skyrmions are topological spin textures which are envisioned as nanometre scale information carriers in magnetic memory and logic devices. The recent demonstration of room temperature stabilization of skyrmions and their current…

Degenerate two-dimensional electron liquids are theoretically established to possess two vastly distinct collisional electron mean free paths, where even-parity deformations of the Fermi surface are hydrodynamic with a short collisional…

Mesoscale and Nanoscale Physics · Physics 2025-04-24 Habib Rostami , Nitay Ben-Shachar , Sergej Moroz , Johannes Hofmann

We report the design and development of a compact electron and positron spectrometer based on tapered Neodymium Iron Boron magnets. We show that the tapered design forms a gradient magnetic field component allowing energy dependent focusing…

Instrumentation and Detectors · Physics 2019-08-14 Ganesh Tiwari , Rotem Kupfer , Xuejing Jiao , Erhard Gaul , Bjorn Manuel Hegelich

In this article, a framework is presented for the joint optimization of the analog transmit and receive filter with respect to a parameter estimation problem. At the receiver, conventional signal processing systems restrict the two-sided…

Information Theory · Computer Science 2018-05-09 Andreas Lenz , Manuel S. Stein , A. Lee Swindlehurst

Objective: Inclusion of individualised electrical conductivities of head tissues is crucial for the accuracy of electrical source imaging techniques based on electro/magnetoencephalography and the efficacy of transcranial electrical…

Among several solutions to exploit solar energy, thermophotovoltaics (TPV) have been popularized and have known great breakthroughs during the past two decades. Yet, existing systems still have low efficiencies since the wavelength range of…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Elyes Nefzaoui , Jérémie Drevillon , Karl Joulain

The strong variations of energetic electron fluxes in the Earth's inner magnetosphere are notoriously hard to forecast. Developing accurate empirical models of electron fluxes from low to high altitudes at all latitudes is therefore useful…

The paper presents a current conveyor based multifunction filter. The proposed circuit can be realized as low pass, high pass, band pass and elliptical notch filter. The circuit employs two balanced output current conveyors, four resistors…

Other Computer Science · Computer Science 2010-03-09 Manish Kumar , M. C. Srivastava , Umesh Kumar

This paper considers an orthogonal frequency division multiplexing (OFDM) downlink point-to-point system with simultaneous wireless information and power transfer. It is assumed that the receiver is able to harvest energy from noise,…

Information Theory · Computer Science 2016-11-18 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

Using fully kinetic 3D simulations, the reconnection dynamics of asymmetric current sheets are examined at the Earth's magnetopause. The plasma parameters are selected to model MMS magnetopause diffusion region crossings with guide fields…

Electrokinetic transport phenomena can strongly influence the behaviour of macromolecules and colloidal particles in solution, with applications in, e.g., DNA translocation through nanopores, electro-osmotic flow in nanocapillaries, and…

Soft Condensed Matter · Physics 2016-08-03 Georg Rempfer , Gary B. Davies , Christian Holm , Joost de Graaf

Creating, manipulating, and detecting coherent electrons is at the heart of future quantum microscopy and spectroscopy technologies. Leveraging and specifically altering the quantum features of an electron beam source at low temperatures…

Hydrodynamic electron transport arises when carrier kinetics are dominated by interelectron collisions rather than the relaxation of momentum out of the electron system. In recent years, signatures of electron hydrodynamics have been…

Sensing a magnetic field with an atomic magnetometer operated in real time presents significant challenges, primarily due to sensor non-linearity, the presence of noise, and the need for one-shot estimation. To address these challenges, we…

Quantum Physics · Physics 2025-08-26 Julia Amoros-Binefa , Jan Kolodynski

Characterization and control of the transverse phase space of high-brightness electron beams is required at free-electron lasers or electron diffraction experiments for emittance measurement and beam optimization as well as at advanced…

The KATRIN experiment is designed for a direct and model-independent determination of the effective electron anti-neutrino mass via a high-precision measurement of the tritium $\beta$-decay endpoint region with a sensitivity on $m_\nu$ of…

Instrumentation and Detectors · Physics 2021-07-21 M. Aker , A. Beglarian , J. Behrens , A. Berlev , U. Besserer , B. Bieringer , F. Block , B. Bornschein , L. Bornschein , M. Böttcher , T. Brunst , T. S. Caldwell , R. M. D. Carney , S. Chilingaryan , W. Choi , K. Debowski , M. Deffert , M. Descher , D. Díaz Barrero , P. J. Doe , O. Dragoun , G. Drexlin , F. Edzards , K. Eitel , E. Ellinger , A. El Miniawy , R. Engel , S. Enomoto , A. Felden , J. A. Formaggio , F. M. Fränkle , G. B. Franklin , F. Friedel , A. Fulst , K. Gauda , W. Gil , F. Glück , S. Groh , R. Grössle , R. Gumbsheimer , V. Hannen , N. Haußmann , F. Heizmann , K. Helbing , S. Hickford , R. Hiller , D. Hillesheimer , D. Hinz , T. Höhn , T. Houdy , A. Huber , A. Jansen , C. Karl , J. Kellerer , M. Kleesiek , M. Klein , C. Köhler , L. Köllenberger , A. Kopmann , M. Korzeczek , A. Kovalík , B. Krasch , H. Krause , N. Kunka , T. Lasserre , L. La Cascio , O. Lebeda , B. Lehnert , T. L. Le , A. Lokhov , M. Machatschek , E. Malcherek , M. Mark , A. Marsteller , E. L. Martin , M. Meier , C. Melzer , A. Menshikov , S. Mertens , J. Mostafa , K. Müller , S. Niemes , P. Oelpmann , D. S. Parno , A. W. P. Poon , J. M. L. Poyato , F. Priester , P. C. -O. Ranitzsch , R. G. H. Robertson , W. Rodejohann , C. Rodenbeck , M. Röllig , C. Röttele , M. Ryšavý , R. Sack , A. Saenz , P. Schäfer , A. Schaller , L. Schimpf , K. Schlösser , M. Schlösser , L. Schlüter , S. Schneidewind , M. Schrank , B. Schulz , C. Schwachtgen , M. Šefčík , H. Seitz-Moskaliuk , V. Sibille , D. Siegmann , M. Slezák , M. Steidl , M. Sturm , M. Sun , D. Tcherniakhovski , H. H. Telle , L. A. Thorne , T. Thümmler , N. Titov , I. Tkachev , N. Trost , K. Urban , K. Valerius , D. Vénos , A. P. Vizcaya Hernández , C. Weinheimer , S. Welte , J. Wendel , J. F. Wilkerson , J. Wolf , S. Wüstling , W. Xu , Y. -R. Yen , S. Zadoroghny , G. Zeller

Transition-edge sensors (TESs) are capable of highly accurate single particle energy measurement. TESs have been used for a wide range of photon detection applications, particularly in astronomy, but very little consideration has been given…

Instrumentation and Detectors · Physics 2023-05-11 K. M. Patel , S. Withington , C. N. Thomas , A. G. Shard , D. J. Goldie

The guiding and control of ultrahigh flux, femtosecond relativistic electron pulses through solid density matter is of great importance for many areas of high energy density science. Efforts so far include the use of magnetic fields…

Porous electrodes are an integral part of many electrochemical devices since they have high porosity to maximize electrochemical transport and high surface area to maximize activity. Traditional porous electrode materials are typically…

Applied Physics · Physics 2022-05-23 Thomas Roy , Miguel A. Salazar de Troya , Marcus A. Worsley , Victor A. Beck