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2021-04-05 | Spin Pumping of an Easy-Plane Antiferromagnet Enhanced by Dzyaloshinskii-Moriya Interaction | Recently, antiferromagnets have received revived interest due to their
significant potential for developing next-generation ultrafast magnetic
storage. Here we report dc spin pumping by the acoustic resonant mode in a
canted easy-plane antiferromagnet {\alpha}-Fe2O3 enabled by the
Dzyaloshinskii-Moriya interaction. Sys... | 2104.01796v2 |
2021-12-29 | Pauli Spin Blockade in a Resonant Triple Quantum Dot Molecule | Pauli spin blockade in quantum dot systems occurs when the charge transport
is allowed only for some spin states, and it has been an efficient tool in
spin-based qubit devices in semiconductors. We theoretically investigate a
Pauli spin blockade in a triple quantum dot molecule consisting of three
identical quantum dot... | 2112.14810v2 |
2012-12-21 | Percolation transition in the kinematics of nonlinear resonance broadening in Charney-Hasegawa-Mima model of Rossby wave turbulence | We study the kinematics of nonlinear resonance broadening of interacting
Rossby waves as modelled by the Charney-Hasegawa-Mima equation on a biperiodic
domain. We focus on the set of wave modes which can interact quasi-resonantly
at a particular level of resonance broadening and aim to characterise how the
structure of... | 1212.5336v1 |
2023-10-25 | Pauli resonance states in light nuclei: how they appear and how they can be eliminated | Systematic analysis of parameters and properties of the Pauli resonance
states are performed for light nuclei $^{6}$Li, $^{7}$Li, $^{8}$Be, $^{9}$Be
and $^{10}$B, which are treated as two-cluster systems. The Pauli resonance
states are redundant solutions of the resonating group method appearing when
one try use more a... | 2310.16373v3 |
2016-09-21 | Paramagnetic resonance in spin-polarized disordered Bose-Einstein condensates | We study the pseudo-spin density response of a disordered two-dimensional
spin-polarized Bose gas of exciton polaritons to weak alternating magnetic
field, assuming that one of the spin states of the doublet is macroscopically
occupied and Bose-condensed while the occupation of the other state remains
much smaller. We ... | 1609.06411v3 |
2023-01-06 | Single electron-spin-resonance detection by microwave photon counting | Electron spin resonance (ESR) spectroscopy is the method of choice for
characterizing paramagnetic impurities, with applications ranging from
chemistry to quantum computing, but it gives access only to ensemble-averaged
quantities due to its limited signal-to-noise ratio. Single-electron-spin
sensitivity has however be... | 2301.02653v2 |
2018-04-10 | Measuring the properties of nearly extremal black holes with gravitational waves | Characterizing the properties of black holes is one of the most important
science objectives for gravitational-wave observations. Astrophysical evidence
suggests that black holes that are nearly extremal (i.e. spins near the
theoretical upper limit) might exist and thus might be among the merging black
holes observed w... | 1804.03704v2 |
2016-04-20 | Nonlinear wave damping due to multi-plasmon resonances | For short wavelengths, it is well known that the linearized Wigner-Moyal
equation predicts wave damping due to wave-particle interaction, where the
resonant velocity shifted from the phase velocity by a velocity $v_q = \hbar
k/2m$. Here $\hbar$ is the reduced Planck constant, $k$ is the wavenumber and
$m$ is the electr... | 1604.05983v2 |
2003-08-27 | Decay of the monochromatic capillary wave | It was demonstrated by direct numerical simulation that, in the case of
weakly nonlinear capillary waves, one can get resonant waves interaction on the
discrete grid when resonant conditions are never fulfilled exactly. The waves's
decay pattern was obtained. The influence of the mismatch of resonant condition
was stud... | 0308100v1 |
2003-10-20 | Nonlinear resonant wave interaction in vacuum | The basic equations governing propagation of electromagnetic and
gravitational waves in vacuum are nonlinear. As a consequence photon-photon
interaction as well as photon-graviton interaction can take place without a
medium. However, resonant interaction between less than four waves cannot occur
in vacuum, unless the i... | 0310095v1 |
2004-07-29 | The resonant behaviour of the Faraday rotation in a medium with linear birefringence | It is shown that the monochromatic optical wave propagating through the
medium with linear birefringence in presence of a signal electromagnetic wave
(whose wavelength is equal to the polarization beats length), displays Faraday
rotation having the frequency of the signal wave and unsuppressed by linear
birefringence. ... | 0407142v1 |
2008-02-05 | Far-off-resonant wave interaction in one-dimensional photonic crystals with quadratic nonlinearity | We extend a recently developed Hamiltonian formalism for nonlinear wave
interaction processes in spatially periodic dielectric structures to the
far-off-resonant regime, and investigate numerically the three-wave resonance
conditions in a one-dimensional optical medium with $\chi^{(2)}$ nonlinearity.
In particular, we ... | 0802.0561v1 |
2009-03-02 | Sommerfeld enhancement for a Yukawa potential | We show how easy it is to get the Sommerfeld enhancement for a Yukawa
potential, for definite partial waves, beyond the S wave analyzed in previous
literature. In particular, we report results for the P wave (for which there is
a resonant pattern and the enhancement can be of several orders of magnitude
even far from t... | 0903.0317v2 |
2013-09-02 | Counting of discrete Rossby/drift wave resonant triads | The purpose of this note is to remove the confusion about counting of
resonant wave triads for Rossby and drift waves in the context of the
Charney-Hasegawa-Mima equation. In particular, we aim to point out a major
error of over-counting of triads in the paper "Discrete exact and
quasi-resonances of Rossby/drift waves ... | 1309.0405v1 |
2013-10-04 | Resonant Excitation of Tilt Mode in Tidally Deformed Disks | In a previous paper (Kato 2013b), we have shown that in deformed disks a pair
of trapped oscillation modes can be resonantly excited through couplings with
disk deformation. In this paper we examine in what cases tilts are excited on
tidally deformed disks by the above-mentioned wave-wave resonant process. The
results ... | 1310.1140v1 |
2014-01-29 | Optical Leaky-Wave Antenna Integrated in Ring Resonator | A leaky-wave antenna at optical frequencies is designed and integrated with a
ring resonator at 1550 nm wavelength. The leaky wave is generated by using
periodic perturbations in the integrated dielectric waveguide that excite the
-1 spatial harmonic. The antenna consists of a dielectric waveguides with
semiconductor c... | 1401.7609v1 |
2015-12-30 | Features of electromagnetic waves in a complex plasma due to surface plasmon resonances on macroparticles | The dielectric properties of complex plasma containing either metal or
dielectric spherical inclusions (macroparticles, dust) are investigated. We
focus on surface plasmon resonances on the macroparticle surfaces and their
effect on electromagnetic wave propagation. It is demonstrated that the
presence of surface plasm... | 1512.09124v1 |
2023-06-01 | Theoretical Analysis of Quartz Plate Acoustic Wave Resonators and Sensors Using Three-Dimensional Equations of Anisotropic Elasticity or Piezoelectricity | This is a review of theoretical results from the three-dimensional equations
of anisotropic elasticity or linear piezoelectricity on waves and vibrations in
quartz crystal plates. It covers both the classical results on acoustic wave
resonators and the relatively new applications in acoustic wave sensors. It
discusses ... | 2306.00604v1 |
2001-11-29 | Resonant control of elastic collisions in an optically trapped Fermi gas of atoms | We have loaded an ultracold gas of fermionic atoms into a far off resonance
optical dipole trap and precisely controlled the spin composition of the
trapped gas. We have measured a magnetic-field Feshbach resonance between atoms
in the two lowest energy spin-states, |9/2, -9/2> and |9/2, -7/2>. The
resonance peaks at a... | 0111571v1 |
2010-10-06 | Ferromagnetic Resonance in Spinor Dipolar Bose--Einstein Condensates | We used the Gross--Pitaevskii equations to investigate ferromagnetic
resonance in spin-1 Bose--Einstein condensates with a magnetic dipole-dipole
interaction. By introducing the dipole interaction, we obtained equations
similar to the Kittel equations used to represent ferromagnetic resonance in
condensed matter physic... | 1010.1075v1 |
2018-02-19 | Spin-Orbit Coupling Induced Resonance in an Ultracold Bose Gas | We study a two-component Bose gas with artificial spin-orbit coupling (SOC)
which couples the center-of-mass momentum of atom to its internal states. We
show that in this system resonance can be induced by tuning SOC strength. With
a two-dimensional SOC, resonances in two scattering channels can be induced by
tuning th... | 1802.06522v2 |
1997-04-03 | Search for the πResonance in Two Particle Tunneling Experiments of YBCO Superconductors | A recent theory of the resonant neutron scattering peaks in YBCO
superconductors predicts the existence of a sharp spin triplet two particle
collective mode (the ``\pi resonance") in the normal state. In this paper, we
propose an experiment in which the \pi resonance could be probed directly in a
two particle tunneling... | 9704022v1 |
2000-05-13 | Probing the Structure of Nucleons in the Resonance Region | Status, open questions, and future prospects of the physics of excited
nucleons are discussed. Emphasis is on the study of the structure of nucleons
via measurements of their electromagnetic transition form factors, the search
for "missing" resonances, the spin structure of the nucleon in the resonance
region, and conn... | 0005033v1 |
2011-07-13 | Two-Dimensional Propagation of a Photoinduced Spin Wave Packet | We report the two-dimensional propagation of photoinduced spin wave packets
in Bi-doped rare-earth iron garnet. Spin waves were excited nonthermally and
impulsively by a circularly polarized light pulse via the inverse Faraday
effect. Space- and time resolved spin waves were detected with a
magneto-optical pump-probe t... | 1107.2457v1 |
2013-11-18 | Antiferromagnetic Domain Wall Motion Induced by Spin Waves | Spin waves in antiferromagnets are linearly or circularly polarized.
Depending on the polarization, traversing spin waves alter the staggered field
in a qualitatively different way. We calculate the drift velocity of a moving
domain wall as a result of spin wave mediated forces, and show that the domain
wall moves in o... | 1311.4328v2 |
2015-09-09 | Spin wave vortex from the scattering on Bloch point solitons | The interaction of a spin wave with a stationary Bloch point is studied. The
topological non-trivial structure of the Bloch point manifests in the
propagation of spin waves endowing them with a gauge potential that resembles
the one associated with the interaction of a magnetic monopole and an electron.
By pursuing thi... | 1509.02891v1 |
2021-03-15 | Magnetically switchable spin wave retarder with $90^\circ$ antiferromagnetic domain wall | Polarization, denoting the precession direction with respect to the
background magnetization, is an intrinsic degree of freedom of spin wave. Using
magnetic textures to control the spin wave polarization is fundamental and
indispensable toward reprogrammable polarization-based magnonics. Here, we show
that due to the i... | 2103.08342v2 |
2021-07-12 | Spin wave driven domain wall motion in easy-plane ferromagnets: a particle perspective | In easy-plane ferromagnets, we show that the interplay between a domain wall
and a spin wave packet can be formulated as the collision of two massive
particles with a gravity-like attraction. In the presence of magnetic
dissipation, the domain wall mimics a particle subject to viscous friction,
while the spin wave pack... | 2107.05401v2 |
2023-01-05 | Universal scaling between wave speed and size enables nanoscale high-performance reservoir computing based on propagating spin-waves | Neuromorphic computing using spin waves is promising for high-speed nanoscale
devices, but the realization of high performance has not yet been achieved.
Here we show, using micromagnetic simulations and simplified theory with
response functions, that spin-wave physical reservoir computing can achieve
miniaturization d... | 2301.02193v1 |
2015-07-10 | Fractionalized spin-wave continuum in spin liquid states on the kagome lattice | Motivated by spin-wave continuum (SWC) observed in recent neutron scattering
experiments in Herbertsmithite, we use Gutzwiller-projected wave functions to
study dynamic spin structure factor $S(\mathbf{q},\omega)$ of spin liquid
states on the kagome lattice. Spin-1 excited states in spin liquids are
represented by Gutz... | 1507.03007v1 |
2019-04-29 | Unconventional spin currents in magnetic films | A spin current - a flow of spin angular momentum - can be carried either by
spin polarised free electrons or by magnons, the quanta of a moving collective
oscillation of localised electron spins - a spin wave. Traditionally, it was
assumed, that a spin wave in a magnetic film with spin-sink-free surfaces can
transfer e... | 1904.12610v1 |
2004-03-22 | Strongest gravitational waves from neutrino oscillations at supernova core bounce | Resonant active-to-active ($\nu_a \to \nu_a$), as well as active-to-sterile
($\nu_a \to \nu_s$) neutrino ($\nu$) oscillations can take place during the
core bounce of a supernova collapse. Besides, over this phase, weak magnetism
increases antineutrino ($\bar{\nu}$) mean free paths, and thus its luminosity.
Because the... | 0403529v1 |
2010-08-25 | Neutron scattering study of the magnetic phase diagram of underdoped YBa(2)Cu(3)O(6+x) | We present a neutron triple-axis and resonant spin-echo spectroscopy study of
the spin correlations in untwinned YBCO crystals with x= 0.3, 0.35, and 0.45 as
a function of temperature and magnetic field. As the temperature T approaches
0, all samples exhibit static incommensurate magnetic order with propagation
vector ... | 1008.4298v1 |
2021-08-10 | Spin-excitation anisotropy in the nematic state of detwinned FeSe | The origin of the electronic nematicity in FeSe is one of the most important
unresolved puzzles in the study of iron-based superconductors. In both spin-
and orbital-nematic models, the intrinsic magnetic excitations at
$\mathbf{Q}_1=(1, 0)$ and $\mathbf{Q}_2=(0, 1)$ of twin-free FeSe are expected
to provide decisive c... | 2108.04484v2 |
2020-02-27 | Distance measurements between carbon and bromine using a split-pulse PM-RESPDOR solid-state NMR experiment | Solid-state NMR have been long used to probe atomic distances between nearby
nuclear spins by virtue of the dipolar interaction. New technological advances
have enabled simultaneous tuning of the radio-frequency resonance circuits to
nuclei with close Larmor frequencies, bringing a great promise also to distance
measur... | 2002.12022v2 |
2002-02-14 | Effects of Charge Ordering on Spin-Wave of Quarter-Filled Spin-Density-Wave States | 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 one (V_2). We calculate dispersion relations for the
acoustic and optical spin-... | 0202227v2 |
2005-01-28 | Spin waves in paramagnetic BCC iron: spin dynamics simulations | Large scale computer simulations are used to elucidate a longstanding
controversy regarding the existence, or otherwise, of spin waves in
paramagnetic BCC iron. Spin dynamics simulations of the dynamic structure
factor of a Heisenberg model of Fe with first principles interactions reveal
that well defined peaks persist... | 0501713v1 |
2007-10-15 | Model for a collimated spin wave beam generated by a single layer, spin torque nanocontact | A model of spin torque induced magnetization dynamics based upon
semi-classical spin diffusion theory for a single layer nanocontact is
presented. The model incorporates effects due to the current induced Oersted
field and predicts the generation of a variety of spatially dependent,
coherent, precessional magnetic wave... | 0710.2890v3 |
2008-10-30 | A Three-Terminal Spin-Wave Device for Logic Applications | We demonstrate a three-terminal spin wave-based device utilizing spin wave
interference. The device consists of three coplanar transmission lines
inductively coupled to the 100nm thick CoFe film. Two spin wave signals are
excited by microwave fields produced by electric current in two sets of lines,
and the output sign... | 0810.5589v1 |
2017-11-24 | Antiferromagnetic domain wall motion driven by polarized spin waves | The control of magnetic domain walls is essential for the magnetic-based
memory and logic applications. As an elementary excitation of magnetic order,
spin wave is capable of moving magnetic domain walls just as the conducting
electric current. Ferromagnetic spin waves can only be right-circularly
polarized. In contras... | 1711.08929v1 |
2017-11-28 | Spin-wave propagation in the presence of inhomogeneous Dzyaloshinskii-Moriya interactions | We theoretically investigate spin-wave propagation through a magnetic
metamaterial with spatially modulated Dzyaloshinskii-Moriya interaction. We
establish an effective Sch{\"o}dinger equation for spin-waves and derive
boundary conditions for spin-waves passing through the boundary between two
regions having different ... | 1711.10082v1 |
2018-12-20 | Unidirectional spin-wave channeling along magnetic domain walls of Bloch type | From the pioneering work of Winter [Phys. Rev. 124, 452 (1961)], a magnetic
domain wall of Bloch type is known to host a special wall-bound spin-wave mode,
which corresponds to spin-waves being channeled along the magnetic texture.
Using micromagnetic simulations, we investigate spin-waves travelling inside
Bloch walls... | 1812.08741v1 |
2017-06-06 | Antiferromagnetic Domain Wall as Spin Wave Polarizer and Retarder | As a collective quasiparticle excitation of the magnetic order in magnetic
materials, spin wave, or magnon when quantized, can propagate in both
conducting and insulating materials. Like the manipulation of its optical
counterpart, the ability to manipulate spin wave polarization is not only
important but also fundamen... | 1706.01617v1 |
2017-06-30 | Spin-wave propagation in cubic anisotropic materials | The information carrier of modern technologies is the electron charge whose
transport inevitably generates Joule heating. Spin-waves, the collective
precessional motion of electron spins, do not involve moving charges and thus
avoid Joule heating. In this respect, magnonic devices in which the information
is carried by... | 1706.10057v1 |
2019-03-03 | Goos-Hanchen Shift of a Spin-Wave Beam at the Interface Between Two Ferromagnets | Spin waves are promising information carriers which can be used in modern
magnonic devices, characterized by higher performance and lower energy
consumption than presently used electronic circuits. However, before practical
application of spin waves, the efficient control over spin wave amplitude and
phase needs to be ... | 1903.00861v1 |
2019-04-25 | Controlled interconversion of quantized spin wave modes via local magnetic fields | In the emerging field of magnonics, spin waves are considered for information
processing and transmission at high frequencies. Towards this end, the
manipulation of propagating spin waves in nanostructured waveguides for novel
functionality has recently been attracting increasing focus of research.
Excitations with uni... | 1904.11613v1 |
2020-05-06 | Observation of evanescent spin waves in the magnetic dipole regime | We observed spin-wave transmission through an air gap that works as a
prohibited region. The spin waves were excited by circularly polarized pump
pulses via the inverse Faraday effect, and their spatial propagation was
detected through the Faraday effect of probe pulses using a pump-probe imaging
technique. The experim... | 2005.02559v1 |
2020-07-06 | Hippopede curves for modelling radial spin waves in an azimuthal graded magnonic landscape | We propose a mathematical model for describing radially propagating spin
waves emitted from the core region in a magnetic patch with n vertices in a
magnetic vortex state. The azimuthal anisotropic propagation of surface spin
waves (SSW) into the domain, and confined spin waves (or Winter's Magnons, WM)
in domain walls... | 2007.02646v2 |
2021-01-28 | Electrical spin-wave spectroscopy in nanoscale waveguides with nonuniform magnetization | Spin waves modes in magnetic waveguides with width down to 320 nm have been
studied by electrical propagating spin-wave spectroscopy and micromagnetic
simulations for both longitudinal and transverse magnetic bias fields. For
longitudinal bias fields, a 1.3 GHz wide spin-wave band was observed in
agreement with analyti... | 2101.11983v2 |
2023-06-08 | Unidirectionality of spin waves in Synthetic Antiferromagnets | We study the frequency non-reciprocity of the spin waves in symmetric
CoFeB/Ru/CoFeB synthetic antiferromagnets stacks set in the scissors state by
in-plane applied fields. Using a combination of Brillouin Light Scattering and
propagating spin wave spectroscopy experiments, we show that the acoustical
spin waves in syn... | 2306.05259v2 |
2023-07-24 | Unidirectional spin wave emission by travelling pair of magnetic field profiles | We demonstrate that the spin wave Cherenkov effect can be used to design the
unidirectional spin wave emitter with tunable frequency and switchable
direction of emission. In our numerical studies, we propose to use a pair of
traveling profiles of the magnetic field which generate the spin waves, for
sufficiently large ... | 2307.12653v2 |
1998-12-16 | Elementary excitations of magnetically ordered systems with orbital degeneracy | The Holstein-Primakoff transformation is generalized to develop a quantum
flavor wave theory for spin systems with orbital degeneracy. Elementary
excitations consist of spin, orbital, and spin-orbital waves. Spin and
spin-orbital waves couple each other due to orbital anisotropy and Hund's rule,
resulting in new modes ... | 9812289v1 |
1999-09-02 | Orbital Polarization and Fluctuation in Manganese Oxides | In a form which include the mother compound, we studied the extended
Hubbard-type model with the orbital degeneracy for any doping concentration.
Meanfield phase diagram and the spin wave excitation in RPA are calculated. It
turned out that a large orbital polarization is essential to reproduce the
magnetic phases depe... | 9909023v1 |
2000-05-09 | Spin-Waves in itinerant ferromagnets | We introduce a novel approach for the investigation of spin-wave excitations
in itinerant ferromagnets. Our theory is based on a variational treatment of
general multi-band Hubbard models which describe elements and compounds of
transition metals. The magnon dispersion is derived approximately as the energy
of a variat... | 0005154v1 |
2002-07-26 | Spin Wave Response in the Dilute Quasi-one Dimensional Ising-like Antiferromagnet CsCo_{0.83}Mg_{0.17}Br_3 | Inelastic neutron scattering profiles of spin waves in the dilute
quasi-one-dimensional Ising-like antiferromagnet CsCo_{0.83}Mg_{0.17}Br_3 have
been investigated. Calculations of S^{xx}(Q,omega), based on an effective spin
Hamiltonian, accurately describe the experimental spin wave spectrum of the 2J
mode. The Q depen... | 0207638v1 |
2005-08-07 | Circular Polarization and Quantum Spin: A Unified Real-Space Picture of Photons and Electrons | A classical circularly polarized electromagnetic wave carries angular
momentum, and represents the classical limit of a photon, which carries
quantized spin. It is shown that a very similar picture of a circularly
polarized coherent wave can account for both the spin of an electron and its
quantum wave function, in a L... | 0508064v1 |
2010-08-26 | Localized collapse and revival of coherence in an ultracold Bose gas | We study the collapse and revival of coherence induced by dipolar spin waves
in a trapped gas of Rb-87 atoms. In particular we observe spatially localized
collapse and revival of Ramsey fringe contrast and show how the pattern of
coherence depends on strength of the spin wave excitation. We find that the
spatial charac... | 1008.4428v1 |
2014-07-01 | Spin waves and spin instabilities in quantum plasmas | We describe main ideas of method of many-particle quantum hydrodynamics
allows to derive equations for description of quantum plasma evolution. We also
present definitions of collective quantum variables suitable for quantum
plasmas. We show that evolution of magnetic moments (spins) in quantum plasmas
leads to several... | 1407.0355v1 |
2015-11-25 | Topological spin waves in the atomic-scale magnetic skyrmion crystal | We study the spin waves of the triangular skyrmion crystal that emerges in a
two dimensional spin lattice model as a result of the competition between
Heisenberg exchange, Dzyalonshinkii-Moriya interactions, Zeeman coupling and
uniaxial anisotropy. The calculated spin wave bands have a finite Berry
curvature that, in s... | 1511.08244v1 |
2012-09-09 | Neutron Brillouin scattering with pulsed spallation neutron source - spin-wave excitations from ferromagnetic powder samples - | Neutron Brillouin scattering (NBS) method was developed using a pulsed
spallation neutron source, and the feasibility of NBS was demonstrated by
observing ferromagnetic spin waves in La$_{0.8}$Sr$_{0.2}$MnO$_3$ and SrRuO$_3$
powders. Gapless spin-wave excitations were observed in
La$_{0.8}$Sr$_{0.2}$MnO$_3$, which were... | 1209.1780v1 |
2018-12-18 | Magnetic excitations in frustrated fcc type-III antiferromagnet MnS$_2$ | Spin wave dispersion in the frustrated fcc type-III antiferromagnet MnS$_2$
has been determined by inelastic neutron scattering using a triple-axis
spectrometer. Existence of multiple spin wave branches, with significant
separation between high-energy and low-energy modes highlighting the intrinsic
magnetic frustration... | 1812.07267v1 |
2019-05-29 | Spin wave propagation in ferrimagnetic $Gd_{x}Co_{1-x}$ | Recent advances in antiferromagnetic spin dynamics using rare-earth (RE) and
transition-metal (TM) ferrimagnets have attracted much interest for spintronic
devices with a high speed and density. In this study, the spin wave properties
in the magnetostatic backward volume mode and surface mode in RE-TM
ferrimagnetic $Gd... | 1905.12771v1 |
2017-01-20 | Asymmetric Spin-wave Dispersion on Fe(110): Direct Evidence of Dzyaloshinskii--Moriya Interaction | The influence of the Dzyaloshinskii-Moriya interaction on the spin-wave
dispersion in an Fe double layer grown on W(110) is measured for the first
time. It is demonstrated that the Dzyaloshinskii-Moriya interaction breaks the
degeneracy of spin waves and leads to an asymmetric spin-wave dispersion
relation. An extended... | 1701.05854v1 |
2022-02-23 | Nonlinear Coupling of Electromagnetic and Spin-Electron-Acoustic Waves in Spin-polarized Degenerate Relativistic Astrophysical Plasma | Propagation of the finite amplitude electromagnetic wave through the
partially spin-polarized degenerate plasmas leads to the instability. The
instability happens at the interaction of the electromagnetic wave with the
small frequency longitudinal spin-electron-acoustic waves. Strongest
instability happens in the high ... | 2202.11814v1 |
2022-12-02 | Interplay between spin wave and magnetic vortex | In this paper, the interplay between spin wave and magnetic vortex is
studied. We find three types of magnon scatterings: skew scattering, symmetric
side deflection and back reflection, which associate with respectively magnetic
topology, energy density distribution and linear momentum transfer torque
within vortex. Th... | 2212.01172v1 |
2008-01-31 | Cosmological black hole spin evolution by mergers and accretion | Using recent results from numerical relativity simulations of black hole
mergers, we revisit previous studies of cosmological black hole spin evolution.
We show that mergers are very unlikely to yield large spins, unless alignment
of the spins of the merging holes with the orbital angular momentum is very
efficient. We... | 0802.0025v2 |
2013-09-10 | Spin rectification induced by dynamical Hanle effect | Dynamic response of spin accumulation to a time-dependent magnetic field has
been investigated in a ferromagnetic/nonmagnetic bilayer under ferromagnetic
resonance. In this system, magnetization precession driven by a microwave
generates direct-current (dc) and alternate-current (ac) spin accumulation in
the nonmagneti... | 1309.2365v1 |
2020-01-25 | Electron spin transport driven by surface plasmon polariton | We propose a mechanism of angular momentum conversion from optical transverse
spin in surface plasmon polaritons (SPPs) to conduction electron spin. Free
electrons in the metal follow the transversally spinning electric field of SPP,
and the resulting orbital motions create inhomogeneous static magnetisation in
the met... | 2001.09286v1 |
2012-08-27 | Photo-magnonics | In the framework of magnonics all-optical femtosecond laser experiments are
used to study spin waves and their relaxation paths. Magnonic crystal
structures based on antidots allow the control over the spin-wave modes. In
these two-dimensional magnetic metamaterials with periodicities in the
wave-length range of dipola... | 1208.5383v1 |
2013-08-02 | Extraordinary momentum and spin in evanescent waves | Momentum and spin represent fundamental dynamical properties of quantum
particles and fields. In particular, propagating optical waves (photons) carry
momentum and longitudinal spin determined by the wave vector and circular
polarization, respectively. Here we show that exactly the opposite can be the
case for evanesce... | 1308.0547v3 |
2014-03-21 | Interface boundary conditions for dynamic magnetization and spin wave dynamics in a ferromagnetic layer with the interface Dzyaloshinskii-Moriya interaction | In this work we derive the interface exchange boundary conditions for the
classical linear dynamics of magnetization in ferromagnetic layers with the
interface Dzyaloshinskii-Moriya interaction (IDMI). We show that IDMI leads to
pinning of dynamic magnetization at the interface. An unusual peculiarity of
the IDMI-based... | 1403.5385v4 |
2019-03-19 | Broadband magnetoelastic coupling in magphonic crystals for high-frequency nanoscale spin wave generation | Spin waves are promising candidates for information carriers in advanced
technology. The interactions between spin waves and acoustic waves in magnetic
nanostructures are of much interest because of their potential application for
spin wave generation, amplification and transduction. We investigate
numerically the dyna... | 1903.08024v1 |
2020-12-08 | Nanoscale neural network using non-linear spin-wave interference | We demonstrate the design of a neural network, where all neuromorphic
computing functions, including signal routing and nonlinear activation are
performed by spin-wave propagation and interference. Weights and
interconnections of the network are realized by a magnetic field pattern that
is applied on the spin-wave prop... | 2012.04594v1 |
2011-10-12 | How terrestrial planets traverse spin-orbit resonances: A camel goes through a needle's eye | The dynamical evolution of terrestrial planets resembling Mercury in the
vicinity of spin-orbit resonances is investigated using comprehensive harmonic
expansions of the tidal torque taking into account the frequency-dependent
quality factors and Love numbers. The torque equations are integrated
numerically with a smal... | 1110.2658v3 |
2010-08-03 | Tonks-Girardeau and Super Tonks-Girardeau States of a Trapped 1D Spinor Bose Gas | A harmonically trapped ultracold 1D spin-1 Bose gas with strongly repulsive
or attractive 1D even-wave interactions induced by a 3D Feshbach resonance is
studied. The exact ground state, a hybrid of Tonks-Girardeau (TG) and ideal
Fermi gases, is constructed in the TG limit of infinite even-wave repulsion by
a spinor Fe... | 1008.0428v2 |
2016-07-16 | Lifetimes and wave functions of ozone metastable vibrational states near the dissociation limit in full symmetry approach | Energies and lifetimes (widths) of vibrational states above the lowest
dissociation limit of $^{16}$O$_3$ were determined using a previously-developed
efficient approach, which combines hyperspherical coordinates and a complex
absorbing potential. The calculations are based on a recently-computed
potential energy surfa... | 1607.04749v1 |
2019-03-04 | Possible $S$-wave $ND^{(*)}$ and $N\bar B^{(*)}$ bound states in a chiral quark model | $S$-wave bound-states composed of a nucleon($N$) and a heavy meson ($D$,
$D^*$, $\bar{B}$ or $\bar{B}^*$) are investigated in both the chiral SU(3)
quark model and the extended chiral SU(3) quark model by solving the resonating
group method equation. The results reveal that the $ND$ and $ND^*$ interactions
in the corre... | 1903.01207v1 |
2017-01-27 | Are Hidden-Variable Theories for Pilot-Wave Systems Possible ? | Recently it was shown that certain fluid-mechanical 'pilot-wave' systems can
strikingly mimic a range of quantum properties, including single particle
diffraction and interference, quantization of angular momentum etc. How far
does this analogy go? The ultimate test of (apparent) quantumness of such
systems is a Bell-t... | 1701.08194v2 |
2020-02-28 | A Charge Density Wave-like Transition in High Temperature Quenched $Bi_2Se_3$ | Hexagonally deformed Fermi surfaces and strong nesting, found in topological
insulators (TIs) such as $Bi_2Se_3$ and $Bi_2Te_3$, have led to several
predictions of the existence of Density Wave order in these systems. Recent
evidence for strong Fermi surface nesting in superconducting $Cu-Bi_2Se_3$ and
$Nb-Bi_2Se_3$ ha... | 2002.12546v5 |
2021-06-14 | Extreme mass-ratio inspirals around a spinning horizonless compact object | Extreme mass-ratio inspirals (EMRIs) detectable by the Laser Interferometer
Space Antenna are unique probes of the nature of supermassive compact objects.
We compute the gravitational-wave signal emitted by a stellar-mass compact
object in a circular equatorial orbit around a Kerr-like horizonless
supermassive object d... | 2106.07195v2 |
2013-11-25 | Theory of nodal s+- wave pairing symmetry in the Pu-based 115 superconductor family | The spin-fluctuation mechanism of superconductivity usually results in the
presence of gapless or nodal quasiparticle states in the excitation spectrum.
Nodal quasiparticle states are well established in copper-oxide, and
heavy-fermion superconductors, but not in iron-based superconductors. Here, we
study the pairing s... | 1311.6410v2 |
2007-10-03 | Magnetic and Electric Excitations in Split Ring Resonators | We studied the electric and magnetic resonance of U-shaped SRRs. We showed
that higher order excitation modes exist in both of the electric and magnetic
resonances. The nodes in the current distribution were found for all the
resonance modes. It turns out that the magnetic resonances are the modes with
odd-number of ha... | 0710.0812v2 |
2017-05-16 | Resonant lattice Kerker effect in metasurfaces with electric and magnetic optical responses | To achieve efficient light control at subwavelength dimensions, plasmonic and
all-dielectric nanoparticles have been utilized both as a single element as
well as in the arrays. Here we study 2D periodic nanoparticle arrays
(metasurfaces) that support lattice resonances near the Rayleigh anomaly due to
the electric dipo... | 1705.05533v1 |
2020-07-22 | Mathematical analysis of plasmon resonances for curved nanorods | We investigate plasmon resonances for curved nanorods which present
anisotropic geometries. We analyze quantitative properties of the plasmon
resonance and its relationship to the metamaterial configurations and the
anisotropic geometries of the nanorods. Based on delicate and subtle asymptotic
and spectral analysis of... | 2007.11181v1 |
2020-10-24 | Octave-Tunable Magnetostatic Wave YIG Resonators on a Chip | We have designed, fabricated, and characterized magnetostatic wave (MSW)
resonators on a chip. The resonators are fabricated by patterning
single-crystal yttrium iron garnet (YIG) film on a gadolinium gallium garnet
(GGG) substrate and excited by loop-inductor transducers. We achieved this
technology breakthrough by de... | 2010.12732v1 |
2021-09-03 | Probing double hadron resonances by the complex scaling method | Many newly discovered excited states are interpreted as bound states of
hadrons. Can these hadrons also form resonant states? In this paper, we extend
the complex scaling method (CSM) to calculate the bound state and resonant
state consistently for the $\Lambda_c D(\bar D)$ and $\Lambda_c \Lambda_c (\bar
\Lambda_c)$ sy... | 2109.01259v1 |
2023-07-16 | Controlling periodic Fano resonances of quantum acoustic waves with a giant atom coupled to microwave waveguide | Nanoscale Fano resonances, with applications from telecommunications to
ultra-sensitive biosensing, have prompted extensive research. We demonstrate
that a superconducting qubit, jointly coupled to microwave waveguides and an
inter-digital transducer composite device, can exhibit acoustic Fano
resonances. Our analytica... | 2307.07949v1 |
2016-05-10 | Controlling Spin-Polarization in Graphene by Cloaking Magnetic and Spin-Orbit Scatterers | We consider spin-dependent scatterers with large scattering cross-sections in
graphene -a Zeeman-like and an intrinsic spin-orbit coupling impurity- and show
that a gated ring around them can be engineered to produce an effcient control
of the spin dependent transport, like current spin polarization and spin Hall
angle... | 1605.02814v2 |
1999-03-05 | SC state in the underdoped high-T_c cuprates as a quantum spin liquid. A microscopic theory | We have discovered a new example of quantum spin liquid which is a
superconducting (SC) phase in 2D electron system close to electronic
topological transition. As a quantum spin liquid in low dimensional localized
spin systems it is characterized by a resonance spin mode and a well separated
two-particle continuum. App... | 9903097v1 |
2002-12-02 | Resonant spin current in nanotube double junctions | Zero bias conductance per spin of nanotube double junction (NTDJ) is
investigated theoretically using the tight binding model, unrestricted
Hartree-Fock approximation and non-equilibrium Green's functions.
NTDJ consists of two metallic nanotubes joined by a piece of semiconducting
nanotube, with the transition betwee... | 0212021v1 |
2009-09-01 | Enhanced spin Hall effect by tuning antidot potential: Proposal for a spin filter | We propose an efficient spin filter including an antidot fabricated on
semiconductor heterostructures with strong spin-orbit interaction. The antidot
creates a tunable potential on two-dimensional electron gas in the
heterostructures, which may be attractive as well as repulsive. Our idea is
based on the enhancement of... | 0909.0150v1 |
2010-01-21 | Spin Dependent Joule Heating due to Rashba Coupling and Zitterbewegung | Investigating microwave absorption in asymmetric Si quantum wells in an
external magnetic field, we discover a spin dependent component of Joule
heating at spin resonance. We explain this effect in terms of Rashba spin-orbit
coupling which results in a current induced spin precession and Zitterbewegung.
Evidence is bas... | 1001.3746v2 |
2012-08-06 | Probing the superconducting pairing symmetry from spin excitations in BiS$_2$ based superconductors | Starting from a two-orbital model and based on the random phase
approximation, spin excitations in the superconducting state of the newly
discovered BiS$_2$ superconductors with three possible pairing symmetries are
studied theoretically. We show that spin response is uniquely determined by the
pairing symmetry. Possib... | 1208.1101v1 |
2019-05-21 | Extreme nuclear magnetic resonance: zero field, single spins, dark matter... | An unusual regime for liquid-state nuclear magnetic resonance (NMR) where the
magnetic field strength is so low that the $J$-coupling (intramolecular
spin-spin) interactions dominate the spin Hamiltonian opens a new paradigm with
applications in spectroscopy, quantum control, and in fundamental-physics
experiments, inc... | 1905.08851v1 |
2009-08-04 | Non-equilibrium Spin Waves in Paramagnetic Metals | We theoretically study the effect of exchange interaction on the
non-equilibrium spin waves in disordered paramagnetic metals under the spin
injection condition. We show that the gapless spectrum of spin waves,
describing the spin precession in the absence of the applied magnetic field,
changes sign to negative on the ... | 0908.0466v2 |
2016-02-12 | Internal dipolar field and soft magnons in periodic nanocomposite magnets | We study spin wave excitations in a three-dimensional nanocomposite magnet of
exchange coupled hard (SmCo$_5$) and soft (FeCo) phases. The dipolar
interaction splits the spin wave energies into the upper and lower branches of
the spin wave manifold. When the amount of the soft phase is increased the
energy of low-lying... | 1602.04111v1 |
2017-12-22 | Nanomagnonic waveguides based on reconfigurable spin-textures for spin computing | Magnonics is gaining momentum as an emerging technology for information
processing. The wave character and Joule heating-free propagation of spin-waves
hold promises for highly efficient analog computing platforms, based on
integrated magnonic circuits. Miniaturization is a key issue but, so far, only
few examples of m... | 1712.08293v1 |
2018-05-03 | Sculpting the Spin-Wave Response of Artificial Spin Ice via Microstate Selection | The spin-wave dynamics of the ferromagnetic nanoarrays termed artificial spin
ice (ASI) are known to vary depending on their magnetic microstate. However,
little work has been done to characterise this relationship. Recent advances in
control over the magnetic configuration of ASI bring designs harnessing the
interplay... | 1805.01397v3 |
2021-04-21 | Spin-wave driven bidirectional domain wall motion in kagome antiferromagnets | We predict a mechanism to controllably manipulate domain walls in kagome
antiferromagnets via a single linearly polarized spin-wave source. We show by
means of atomistic spin dynamics simulations of antiferromagnets with kagome
structure that the speed and direction of the domain wall motion can be
regulated by only tu... | 2104.10460v2 |
2006-04-13 | Direct observation of a "devil's staircase'' in wave-particle interaction | We report the experimental observation of a "devil's staircase'' in a time
dependent system considered as a paradigm for the transition to large scale
chaos in the universality class of hamiltonian systems. A test electron beam is
used to observe its non-self-consistent interaction with externally excited
wave(s) in a ... | 0604029v2 |
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