G. Bauer
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View article: Polarization Controlled Supercurrent in Ferroelectric Josephson Junction
Polarization Controlled Supercurrent in Ferroelectric Josephson Junction Open
Dataset for publication "Polarization Controlled Supercurrent in Ferroelectric Josephson Junction" by Yaozu Tang, Mazhar N. Ali, Gerrit E. W. Bauer, and Yaroslav M. Blanter. Abstract: Josephson junctions are essential devices in supercondu…
View article: Multiferroic-like Quasiparticles in Ferroelectrics
Multiferroic-like Quasiparticles in Ferroelectrics Open
Multiferroics are materials with coexisting electric and magnetic orders that are of central importance for fundamental research and technological applications. Unfortunately, intrinsic multiferroics that operate at room temperature remain…
View article: Observing differential spin currents by resonant inelastic X-ray scattering
Observing differential spin currents by resonant inelastic X-ray scattering Open
View article: Observation of ferron transport in ferroelectrics
Observation of ferron transport in ferroelectrics Open
Ferroelectrics feature spontaneous electric dipolar order reconfigurable via electric fields. Recent theoretical studies of the collective excitations of this electric dipolar order give rise to the hope that "ferron" quasiparticles may co…
View article: Coherent harmonic generation of magnons in spin textures
Coherent harmonic generation of magnons in spin textures Open
Harmonic generation, a notable non-linear phenomenon, has promising applications in information processing. For spin-waves in ferromagnetic materials, great progress has been made in the generation higher harmonics, however probing the coh…
View article: Magnon-Driven Magnetothermal Transport in Magnetic Multilayers
Magnon-Driven Magnetothermal Transport in Magnetic Multilayers Open
All-solid-state nanoscale devices capable of efficiently controlling a heat flow are crucial for advanced thermal management technologies. Here we predict a magnon-driven magnetothermal resistance (mMTR) effect in multilayers of ferromagne…
View article: Effect of nonlinear magnon interactions on the stochastic magnetization switching
Effect of nonlinear magnon interactions on the stochastic magnetization switching Open
Telegraph noise caused by frequent switching of the magnetization in small magnetic devices has become a useful resource for probabilistic computing. Conventional theories have been based on a linearization of the fluctuations at the extre…
View article: Spin-orbit locking of magnons with localized microwave fields
Spin-orbit locking of magnons with localized microwave fields Open
We address the photonic spin-orbit coupling known from nano-optics and plasmonics in the microwave regime. The spin $\mathbf{S}$ and momentum $\mathbf{q}$ of microwaves emitted by an excited magnetic particle are locked by $\mathbf{q}\cdot…
View article: Beautiful physics at CDF
Beautiful physics at CDF Open
B-physics with p ̄ p collisions at CDF is reviewed, including production cross sections, masses, and decay properties, with a focus on lifetime and mixing measurements. A two-component lifetime fit of B s 0 →ℓ + D s − X results in the limit…
View article: Nonlinear enhancement of coherent magnetization dynamics
Nonlinear enhancement of coherent magnetization dynamics Open
Magnets are interesting materials for classical and quantum information technologies. However, the short decoherence and dephasing times that determine the scale and speed of information networks severely limit the appeal of employing the …
View article: Temperature dependence of the properties of stochastic magnetic tunnel junction with perpendicular magnetization
Temperature dependence of the properties of stochastic magnetic tunnel junction with perpendicular magnetization Open
Stochastic magnetic tunnel junctions (s-MTJs) are attracting attention as key elements for spintronics-based probabilistic (p-) computers. The performance of p-computers is governed by the time-domain and the time-averaged response of sing…
View article: Surface and volume modes of polarization waves in ferroelectric films
Surface and volume modes of polarization waves in ferroelectric films Open
We investigate the characteristic modes of polarization waves in ferroelectric films. This is motivated by the recent surge of interest in the excitations of the ferroelectric order inspired by the duality between electric dipoles in ferro…
View article: Harnessing Interlayer Magnetic Coupling for Efficient, Field‐Free Current‐Induced Magnetization Switching in a Magnetic Insulator
Harnessing Interlayer Magnetic Coupling for Efficient, Field‐Free Current‐Induced Magnetization Switching in a Magnetic Insulator Open
Owing to the unique features of low Gilbert damping, long spin‐diffusion lengths, and zero Ohmic losses, magnetic insulators are promising candidate materials for next‐generation spintronic applications. However, due to the localized magne…
View article: Harnessing Interlayer Magnetic Coupling for Efficient, Field-Free Current-Induced Magnetization Switching in a Magnetic Insulator
Harnessing Interlayer Magnetic Coupling for Efficient, Field-Free Current-Induced Magnetization Switching in a Magnetic Insulator Open
Owing to the unique features of low Gilbert damping, long spin-diffusion lengths and zero Ohmic losses, magnetic insulators are promising candidate materials for next-generation spintronic applications. However, due to the localized magnet…
View article: Role of Disorder in the Intrinsic Orbital Hall Effect
Role of Disorder in the Intrinsic Orbital Hall Effect Open
We investigate the effect of random defect scattering on the orbital Hall effect by solving a quantum Boltzmann equation. Depending on the specific orbital textures, diffuse scattering by an \emph{arbitrarily} weak disorder can affect and …
View article: Chiral-Damping-Enhanced Magnon Transmission
Chiral-Damping-Enhanced Magnon Transmission Open
The inevitable Gilbert damping in magnetization dynamics is usually regarded as detrimental to spin transport. Here we apply a general feature of chiral non-Hermitian dynamics to a ferromagnetic-insulator--normal-metal heterostructure to s…
View article: Valley-Polarized quantum Hall phase in a strain-controlled Dirac system
Valley-Polarized quantum Hall phase in a strain-controlled Dirac system Open
In multivalley systems, the valley pseudospin offers rich physics going from encoding of information by its polarization (valleytronics), to exploring novel phases of matter when its degeneracy is changed. Here, by strain engineering, we r…
View article: The development of internal pressure standards for in-house elastic wave velocity measurements in multi-anvil presses
The development of internal pressure standards for in-house elastic wave velocity measurements in multi-anvil presses Open
Ultrasonic systems are powerful tools to determine elastic wave velocities of minerals and materials at high pressure and temperature and have been extensively developed in recent decades. However, accurate measurement of sample length is …
View article: Electrical Injection and Transport of Coherent Magnons in Non-Collinear Antiferromagnets
Electrical Injection and Transport of Coherent Magnons in Non-Collinear Antiferromagnets Open
Non-collinear antiferromagnets (nAFMs) with a small net magnetic moment offer new opportunities for ultrafast spintronic devices, owing to unique physical properties. While in ferromagnets and collinear AFMs the spin current polarization i…
View article: Nonlinear enhancement of coherent magnetization dynamics
Nonlinear enhancement of coherent magnetization dynamics Open
Magnets are interesting materials for classical and quantum information technologies. However, the short decoherence and dephasing times that determine the scale and speed of information networks, severely limit the appeal of employing the…
View article: Electric Analog of Magnons in Order-Disorder Ferroelectrics
Electric Analog of Magnons in Order-Disorder Ferroelectrics Open
We analyze the ``ferron" excitations in order-disorder ferroelectrics by a microscopic pseudo-spin model. We demonstrate that analogous to magnons, the quanta of spin waves in magnetic materials, ferrons carry both static and oscillating e…
View article: Soft magnons in anisotropic ferromagnets
Soft magnons in anisotropic ferromagnets Open
We discuss spin-wave transport in anisotropic ferromagnets with an emphasis on the zeros of the band edges as a function of a magnetic field. An associated divergence of the magnon spin should be observable by enhanced magnon conductivitie…
View article: Surface Ferron Excitations in Ferroelectrics and Their Directional Routing
Surface Ferron Excitations in Ferroelectrics and Their Directional Routing Open
The duality between electric and magnetic dipoles inspires recent comparisons between ferronics and magnonics. Here we predict surface polarization waves or “ferrons” in ferroelectric insulators, taking the long-range dipolar interaction i…
View article: Chirality Enables Thermal Magnon Transistors
Chirality Enables Thermal Magnon Transistors Open
We report a theory of thermal spin pumping into proximity magnets under a transverse-bias-driven heat flow of magnons in magnetic films when the dipolar coupling to the magnetic gate is tuned to be "chiral". While there is no rectification…
View article: Long-distance magnon transport in the van der Waals antiferromagnet <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>CrPS</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:math>
Long-distance magnon transport in the van der Waals antiferromagnet Open
We demonstrate the potential of van der Waals magnets for spintronic applications by reporting long-distance magnon spin transport in the electrically insulating antiferromagnet chromium thiophosphate (CrPS4) with perpendicular magnetic an…
View article: Resonant Magnetoelastic Coupling Between Magnetic Vortex and Lattice Breathing Modes
Resonant Magnetoelastic Coupling Between Magnetic Vortex and Lattice Breathing Modes Open
Optical photons are ideal carriers for long-distance transmission, while state-of-the-art quantum processors, such as supercon-ducting qubits, operate at microwave frequencies. An important requirement for networked quantum computation is …
View article: Soft Magnons in Anisotropic Ferromagnets
Soft Magnons in Anisotropic Ferromagnets Open
We discuss spin-wave transport in anisotropic ferromagnets with an emphasis on the zeroes of the band edges as a function of a magnetic field. An associated divergence of the magnon spin should be observable by enhanced magnon conductiviti…
View article: Nonlocal drag thermoelectricity generated by ferroelectric van der Waals heterostructures
Nonlocal drag thermoelectricity generated by ferroelectric van der Waals heterostructures Open
The "ferron"excitations of the electric-dipolar order carry energy as well as electric dipoles. Here, we predict a nonlocal ferron-drag effect in a ferroelectric on top of a metallic film: An electric current in the conductor generates a h…
View article: A Perspective on Ferrons
A Perspective on Ferrons Open
The duality between electric and magnetic dipoles in electromagnetism only partly applies to condensed matter. In particular, the elementary excitations of the magnetic and ferroelectric orders, namely magnons and ferrons, respectively, ha…
View article: Electric field–dependent phonon spectrum and heat conduction in ferroelectrics
Electric field–dependent phonon spectrum and heat conduction in ferroelectrics Open
This article shows experimentally that an external electric field affects the velocity of the longitudinal acoustic phonons ( v LA ), thermal conductivity (κ), and diffusivity ( D ) in a bulk lead zirconium titanate–based ferroelectric. Ph…