publicationDate stringlengths 1 2.79k | title stringlengths 1 36.5k ⌀ | abstract stringlengths 1 37.3k ⌀ | id stringlengths 9 47 |
|---|---|---|---|
2016-08-30 | Quantum speed limit time in a magnetic resonance | A visualization for dynamics of a qudit spin vector in a time-dependent
magnetic field is realized by means of mapping a solution for a spin vector on
the three-dimensional spherical curve (vector hodograph). The obtained results
obviously display the quantum interference of precessional and nutational
effects on the s... | 1608.08537v3 |
2019-05-02 | Negligible thermal contributions to the spin pumping signal in ferromagnetic metal-Platinum bilayers | Spin pumping by ferromagnetic resonance is one of the most common technique
to determine spin hall angles, Edelstein lengths or spin diffusion lengths of a
large variety of materials. In recent years, rising concerns have appeared
regarding the interpretation of these experiments, underlining that the signal
could aris... | 1905.00771v2 |
2019-05-07 | Spin Berry phase in a helical edge state: Sz nonconservation and transport signatures | Topological protection of edge state in quantum spin Hall systems relies only
on time-reversal symmetry. Hence, S z conservation on the edge can be relaxed
which can have an interferometric manifestation in terms of spin Berry phase.
Primarily it could lead to the generation of spin Berry phase arising from a
closed lo... | 1905.02801v2 |
2021-10-26 | Generic character of charge and spin density waves in superconducting cuprates | Understanding the nature of charge density waves (CDW) in cuprate
superconductors has been complicated by material specific differences. A
striking example is the opposite doping dependence of the CDW ordering
wavevector in La-based and Y-based compounds, the two families where charge
ordering is strongest and best cha... | 2110.13991v1 |
2009-05-18 | Bulk Spin-Hall Effect | We show that a two-dimensional spin-orbit-coupled system in the presence of a
charge/spin-density wave with a wave-vector perpendicular to an applied
electric field supports bulk manifestations of the direct/inverse spin-Hall
effect. We develop a theory of this phenomenon in the framework of the spin
diffusion equation... | 0905.2771v1 |
2011-12-21 | Direct detection of magnon spin transport by the inverse spin Hall effect | Conversion of traveling magnons into an electron carried spin current is
demonstrated in a time resolved experiment using a spatially separated
inductive spin-wave source and an inverse spin Hall effect (ISHE) detector. A
short spin-wave packet is excited in a yttrium-iron garnet (YIG) waveguide by a
microwave signal a... | 1112.4969v1 |
2013-07-29 | Generalized spin-wave theory: application to the bilinear-biquadratic model | We present a generalized spin-wave theory (GSWT) for treating spin
Hamiltonians of arbitrary spin $S$. The generalization consists of an extension
of the traditional spin-wave theory from SU(2) to SU($N$). Low energy
excitations are waves of the local order parameter that fluctuates in the
SU($N$) space of unitary tran... | 1307.7731v1 |
2015-07-07 | Magnetic order, spin waves and fluctuations in the triangular antiferromagnet La2Ca2MnO7 | We report magnetic susceptibility, specific heat and muon spin relaxation
(muSR) experiments on the triangular antiferromagnet La2Ca2MnO7 which develops
a genuine two-dimensional, three-sublattice \sqrt{3} \times \sqrt{3} magnetic
order below T_N = 2.8 K. From the susceptibility and specific heat data an
estimate of th... | 1507.01740v1 |
2020-01-21 | Nonresonant amplification of coherent spin waves through voltage-induced interface magnetoelectric effect and spin-transfer torque | We present new mechanism for manipulation of the spin-wave amplitude through
the use of the dynamic charge-mediated magnetoelectric effect in ultrathin
multilayers composed of dielectric thin-film capacitors separated by a
ferromagnetic bilayer. Propagating spin waves can be amplified and attenuated
with rising and dec... | 2001.07474v1 |
2010-03-13 | Motion and gravitational wave forms of eccentric compact binaries with orbital-angular-momentum-aligned spins under next-to-leading order in spin-orbit and leading order in spin(1)-spin(2) and spin-squared couplings | A quasi-Keplerian parameterisation for the solutions of second post-Newtonian
(PN) accurate equations of motion for spinning compact binaries is obtained
including leading order spin-spin and next-to-leading order spin-orbit
interactions. Rotational deformation of the compact objects is incorporated.
For arbitrary mass... | 1003.2735v4 |
2016-02-12 | Thermal generation of spin current in a helimagnetic multiferroic hexaferrite | We report the experimental observation of longitudinal spin Seebeck effect in
a multiferroic helimagnet Ba0.5Sr1.5Zn2Fe12O22. Temperature gradient applied
normal to Ba0.5Sr1.5Zn2Fe12O22/Pt interface generates inverse spin Hall voltage
of spin current origin in Pt, whose magnitude was found to be proportional to
bulk ma... | 1602.04011v1 |
2019-08-27 | Inelastic light scattering in the spin cluster Mott insulator Cu$_{2}$OSeO$_{3}$ | Clusters of single spins form the relevant spin entities in the formation of
long-range magnetic order in spin cluster Mott insulators. Such type of spin
order bears resemblance to molecular crystals, and we therefore may expect a
prototypical spin wave spectrum which can be divided into low-energy external
and high-en... | 1908.10279v1 |
1997-09-24 | Resonance tunneling of polaritons in 1-D chain with a single defect | We consider propagation of coupled waves (polaritons) formed by a scalar
electromagnetic wave and excitations of a finite one dimensional chain of
dipoles. It is shown that a microscopic defect (an impurity dipole) embedded in
the chain causes resonance tunneling of the electromagnetic wave with the
frequency within th... | 9709267v2 |
2005-08-04 | Pseudopotential in resonant regimes | The zero-range potential approach is extended for the description of
situations where two-body scattering is resonant in arbitrary partial waves.
The formalism generalizes the Fermi pseudopotential which can be used only for
s-wave broad resonances. In a given channel, the interaction is described
either in terms of a ... | 0508120v3 |
2002-09-10 | Acceleration and Cyclotron Radiation, Induced by Gravitational Waves | The equations which determine the response of a charged particle moving in a
magnetic field to an incident gravitational wave(GW) are derived in the
linearized approximation to general relativity. We briefly discuss several
astrophysical applications of the derived formulae taking into account the
resonance between the... | 0209033v1 |
2005-06-08 | Resonant growth of stellar oscillations by incident gravitational waves | Stellar oscillation under the combined influences of incident gravitational
wave and radiation loss is studied in a simple toy model. The star is
approximated as a uniform density ellipsoid in the Newtonian gravity including
radiation damping through quadrupole formula. The time evolution of the
oscillation is signific... | 0506047v1 |
2007-01-15 | Detectability of Mode Resonances in Coalescing Neutron Star Binaries | Inspirals of neutron star-neutron star binaries are a promising source of
gravitational waves for gravitational wave detectors like LIGO. During the
inspiral, the tidal gravitational field of one of the stars can resonantly
excite internal modes of the other star, resulting in a phase shift in the
gravitational wave si... | 0701076v1 |
2006-10-11 | Tunable plasma wave resonant detection of optical beating in high electron mobility transistor | We report on tunable terahertz resonant detection of two 1.55 µm
cw-lasers beating by plasma waves in AlGaAs/InGaAs/InP high-electron-mobility
transistor. We show that the fundamental plasma resonant frequency and its odd
harmonics can be tuned with the applied gate-voltage in the range 75-490 GHz.
The observed f... | 0610078v1 |
2005-08-27 | Resonant States of Wave Propagation in Disordered System of Bosonic Particles | We demonstrate the effects of an induced disorder (or a free-orientation :
$\theta$ which is related to the relative direction of scattering of particles
w.r.t. to the normal of the propagating plane-wave front) upon the possible
resonance of the plane (sound) wave propagating in Bose gases by using the
quantum kinetic... | 0508204v1 |
2009-06-18 | Fast electromagnetic response of a thin film of resonant atoms with permanent dipole | We consider the propagation of extremely short pulses through a dielectric
thin film containing resonant atoms (two level atoms) with permanent dipole.
Assuming that the film width is less than the field wave length, we can solve
the wave equation and reduce the problem to a system of generalized Bloch
equations descri... | 0906.3473v1 |
2009-08-15 | The two-atom energy spectrum in a harmonic trap near a Feshbach resonance at higher partial waves | Two atoms in an optical lattice may be made to interact strongly at higher
partial waves near a Feshbach resonance. These atoms, under appropriate
constraints, could be bosonic or fermionic. The universal $l=2$ energy spectrum
for such a system, with a caveat, is presented in this paper, and checked with
the spectrum o... | 0908.2204v1 |
2010-09-06 | The Past, Present and Future of the Resonant-Mass Gravitational Wave Detectors | Resonant-mass gravitational waves detectors are reviewed from the concept of
gravitational waves and its mathematical derivation, using Einstein's general
relativity, to the present status of bars and spherical detectors, and their
prospects for the future, which include dual detectors and spheres with
non-resonant tra... | 1009.1138v1 |
2010-11-16 | Resonant Absorption as Mode Conversion? II. Temporal Ray Bundle | A fast-wave pulse in a simple, cold, inhomogeneous MHD model plasma is
constructed by Fourier superposition over frequency of harmonic waves that are
singular at their respective Alfven resonances. The pulse partially reflects
before reaching the resonance layer, but also partially tunnels through to it
to mode convert... | 1011.3808v1 |
2013-05-23 | Robust energy transfer mechanism and critically balanced turbulence via non-resonant triads in nonlinear wave systems | A robust energy transfer mechanism is found in nonlinear wave systems, which
favours transfers towards modes interacting via non-resonant triads, applicable
in meteorology, nonlinear optics and plasma wave turbulence. Transfer
efficiency is maximal when the frequency mismatch of the non-resonant triad
balances the syst... | 1305.5517v2 |
2016-09-13 | A two-way model for nonlinear acoustic waves in a non-uniform lattice of Helmholtz resonators | Propagation of high amplitude acoustic pulses is studied in a 1D waveguide
connected to a lattice of Helmholtz resonators. An homogenized model has been
proposed by Sugimoto (J. Fluid. Mech., \textbf{244} (1992)), taking into
account both the nonlinear wave propagation and various mechanisms of
dissipation. This model ... | 1609.03841v2 |
2017-07-27 | Schumann resonance transients and the search for gravitational waves | Schumann resonance transients which propagate around the globe can
potentially generate a correlated background in widely separated gravitational
wave detectors. We show that due to the distribution of lightning hotspots
around the globe these transients have characteristic time lags, and this
feature can be useful to ... | 1707.09047v2 |
2019-11-13 | On the time-evolution of resonant triads in rotational capillary-gravity water waves | We investigate an effect of the resonant interaction in the case of
one-directional propagation of capillary-gravity surface waves arising as the
free surface of a rotational water flow. Specifically, we assume a constant
vorticity in the body of the fluid which physically corresponds to an
underlying current with a li... | 1911.05213v1 |
2018-10-23 | Perfect absorption of water waves by linear or nonlinear critical coupling | We report on experiments of perfect absorption for surface gravity waves
impinging a wall structured by a subwavelength resonator. By tuning the
geometry of the resonator, a balance is achieved between the radiation damping
and the intrinsic viscous damping, resulting in perfect absorption by critical
coupling. Besides... | 1810.09884v1 |
2014-05-30 | Eliminating Structural Loss in Optomechanical Resonators Using Elastic Wave Interference | Optomechanical resonators suffer from the dissipation of mechanical energy
through the necessary anchors enabling the suspension of the structure. Here we
show that such structural loss in an optomechnaical oscillator can be almost
completely eliminated through the destructive interference of elastic waves
using dual-d... | 1406.0029v1 |
2018-11-19 | Application of the method of multiple scales to unravel energy exchange in nonlinear locally resonant metamaterials | In this paper, the effect of weak nonlinearities in 1D locally resonant
metamaterials is investigated via the method of multiple scales. Commonly
employed to the investigate the effect of weakly nonlinear interactions on the
free wave propagation through a phononic structure or on the dynamic response
of a Duffing osci... | 1812.05713v1 |
2020-02-13 | Solitary Waves in Mass-in-Mass Lattices | We consider the existence of spatially localized traveling wave solutions of
the mass-in-mass lattice. Under an anti-resonance condition first discovered by
Kevrekidis, Stefanov and Xu, we prove that such solutions exist in two
distinguished limits, the first where the mass of the internal resonator is
small and the se... | 2002.05573v1 |
2024-01-02 | Scattering from time-modulated subwavelength resonators | We consider wave scattering from a system of highly contrasting resonators
with time-modulated material parameters. In this setting, the wave equation
reduces to a system of coupled Helmholtz equations that models the scattering
problem. We consider the one-dimensional setting. In order to understand the
energy of the ... | 2401.01914v1 |
2024-02-15 | Switching waves-induced broadband Kerr frequency comb in fiber Fabry-Perot resonators | We report the generation of broadband frequency combs in fiber Fabry-Perot
resonators in the normal dispersion regime enabled by the excitation of
switching waves. We theoretically characterise the process by means of a
transverse linear stability analysis of the Lugiato-Lefever equation, enabling
precise prediction of... | 2402.09777v1 |
1998-06-16 | Ray and wave chaos in asymmetric resonant optical cavities | Optical resonators are essential components of lasers and other
wavelength-sensitive optical devices. A resonator is characterized by a set of
modes, each with a resonant frequency omega and resonance width Delta
omega=1/tau, where tau is the lifetime of a photon in the mode. In a
cylindrical or spherical dielectric re... | 9806017v1 |
2014-02-17 | An Analytic Model for Buoyancy Resonances in Protoplanetary Disks | Zhu, Stone, and Rafikov (2012) found in 3D shearing box simulations a new
form of planet-disk interaction that they attributed to a vertical buoyancy
resonance in the disk. We describe an analytic linear model for this
interaction. We adopt a simplified model involving azimuthal forcing that
produces the resonance and ... | 1402.4162v1 |
2015-02-23 | Theoretical characterization of the collective resonance states underlying the xenon giant dipole resonance | We present a detailed theoretical characterization of the two fundamental
collective resonances underlying the xenon giant dipole resonance (GDR). This
is achieved consistently by two complementary methods implemented within the
framework of the configuration-interaction singles (CIS) theory. The first
method accesses ... | 1502.06462v1 |
2022-04-06 | Asymptotics of the meta-atom: plane wave scattering by a single Helmholtz resonator | Using a combination of multipole methods and the method of matched
asymptotics, we present a solution procedure for acoustic plane wave scattering
by a single Helmholtz resonator in two dimensions. Closed-form representations
for the multipole scattering coefficients of the resonator are derived, valid
at low frequenci... | 2204.02840v1 |
2021-01-25 | Long-range spin-wave propagation in transversely magnetized nano-scaled conduits | 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 fundamental feasibility of magnonics at the sub-100 nm scale.
Transversely magne... | 2101.10192v1 |
2008-09-02 | Neutrino mass spectrum from gravitational waves generated by double neutrino spin-flip in supernovae | The supernova (SN) neutronization phase produces mainly electron ($\nu_e$)
neutrinos, the oscillations of which must take place within a few
mean-free-paths of their resonance surface located nearby their neutrinosphere.
The state-of-the-art on the SN dynamics suggests that a significant part of
these $\nu_e$ can conve... | 0809.0526v1 |
2021-02-03 | Charge ordering in Ir dimers in the ground state of Ba$_5$AlIr$_2$O$_{11}$ | It has been well established experimentally that the interplay of electronic
correlations and spin-orbit interactions in Ir$^{4+}$ and Ir$^{5+}$ oxides
results in insulating J$_{\rm eff}$=1/2 and J$_{\rm eff}$=0 ground states,
respectively. However, in compounds where the structural dimerization of iridum
ions is favou... | 2102.02178v1 |
2022-03-16 | Discovery of an electronic crystal in a cuprate Mott insulator | Copper oxide high temperature superconductors universally exhibit multiple
forms of electronically ordered phases that break the native translational
symmetry of the CuO2 planes. The interplay between these orders and the
superconducting ground state, as well as how they arise through doping a Mott
insulator, is essent... | 2203.08872v1 |
1999-08-16 | Laser Excitation of Polarization Waves in a Frozen Gas | Laser experiments with optically excited frozen gases entail the excitation
of polarization waves. In a continuum approximation the waves are
dispersionless, but their frequency depends on the direction of the propagation
vector. An outline is given of the theory of transient phenomena that involve
the excitation of th... | 9908230v2 |
2005-12-28 | Spin-1 gravitational waves. Theoretical and experimental aspects | Exact solutions of Einstein field equations invariant for a non-Abelian
2-dimensional Lie algebra of Killing fields are described. Physical properties
of these gravitational fields are studied, their wave character is checked by
making use of covariant criteria and the observable effects of such waves are
outlined. The... | 0512159v1 |
2004-07-19 | Four-wave mixing of linear waves and solitons in fibres with higher order dispersion | We derive phase-matching conditions for four-wave mixing between solitons and
linear waves in optical fibres with arbitrary dispersion and demonstrate
resonant excitation of new spectral components via this process. | 0407097v1 |
2007-11-03 | Sinusoidal excitations in reduced Maxwell-Duffing model | Sinusoidal wave solutions are obtained for reduced Maxwell-Duffing equations
describing the wave propagation in a non-resonant atomic medium. These
continuous wave excitations exist when the medium is initially polarized by an
electric field. Other obtained solutions include both mono-frequency and
cnoidal waves. | 0711.0449v1 |
2010-01-10 | Discrete wave turbulence of rotational capillary water waves | We study the discrete wave turbulent regime of capillary water waves with
constant non-zero vorticity. The explicit Hamiltonian formulation and the
corresponding coupling coefficient are obtained. We also present the
construction and investigation of resonance clustering. Some physical
implications of the obtained resu... | 1001.1497v2 |
2016-05-23 | The role of Alfvén wave heating in solar prominences | Observations have shown that magnetohydrodynamic waves over a large frequency
range are ubiquitous in solar prominences. The waves are probably driven by
photospheric motions and may transport energy up to prominences suspended in
the corona. Dissipation of wave energy can lead to heating of the cool
prominence plasma,... | 1605.07048v1 |
2023-02-26 | Reducibility of linear quasi-periodic Hamiltonian derivative wave equations and half-wave equations under the Brjuno conditions | In this paper, we prove the reducibility for some linear quasi-periodic
Hamiltonian derivative wave and half-wave equations under the
Brjuno-R\"{u}ssmann non-resonance conditions. This generalizes KAM theory by
P\"{o}schel in [38] from the finite dimensional Hamiltonian systems to
Hamiltonian PDEs. | 2302.13287v1 |
1998-01-15 | Solitary Waves of Planar Ferromagnets and the Breakdown of the Spin-Polarized Quantum Hall Effect | A branch of uniformly-propagating solitary waves of planar ferromagnets is
identified. The energy dispersion and structures of the solitary waves are
determined for an isotropic ferromagnet as functions of a conserved momentum.
With increasing momentum, their structure undergoes a transition from a form
ressembling a d... | 9801160v1 |
2015-03-16 | Stochastic Quantum Trajectories without a Wave Function | After summarizing three versions of trajectory-based quantum mechanics, it is
argued that only the original formulation due to Bohm, which uses the
Schr\"odinger wave function to guide the particles, can be readily extended to
particles with spin. To extend the two wave function-free formulations, it is
argued that nec... | 1503.04868v1 |
2012-09-19 | Asymmetry of modal profiles of dipole-exchange spin waves in thin high-magnetic moment metallic ferromagnetic films | The asymmetry of the modal profiles for dipole-exchange spin waves
propagating in in-plane magnetized ferromagnetic films at a right angle to the
applied magnetic field has been investigated theoretically. It was found that
in the large-magnetic moment ferromagnetic metallic films with typical
thicknesses 10-60 nm the ... | 1209.4153v1 |
2019-06-16 | Spin and valley waves in Dirac semimetals with population imbalance | We find an intervalley wave collective mode in two- and three-dimensional
Dirac semimetals in the presence of a valley population imbalance. The
dispersion relation of this mode is gapless, proportional to the square of the
wave vector at small frequencies, and inversely proportional to the
electron-electron exchange i... | 1906.06674v2 |
2014-10-23 | Nanometre-scale probing of spin waves using single electron spins | Correlated-electron systems support a wealth of magnetic excitations, ranging
from conventional spin waves to exotic fractional excitations in
low-dimensional or geometrically-frustrated spin systems. Probing such
excitations on nanometre length scales is essential for unravelling the
underlying physics and developing ... | 1410.6423v2 |
2002-08-29 | Enrichment of CH3F nuclear spin isomers by resonant microwave radiation | Theoretical model of the coherent control of nuclear spin isomers by
microwave radiation has been developed. Model accounts the M-degeneracy of
molecular states and molecular center-of-mass motion. The model has been
applied to the 13CH3F molecules. Microwave radiation excites the para state
(J=11,K=1) which is mixed b... | 0208099v1 |
2009-03-14 | Incommensurate spin resonance in URu2Si2 | We focus on inelastic neutron scattering in $URu_2Si_2$ and argue that
observed gap in the fermion spectrum naturally leads to the spin feature
observed at energies $\omega_{res} = 4-6 meV$ at momenta at $\bQ^* = (1\pm 0.4,
0,0)$. We discuss how spin features seen in $URu_2Si_2$ can indeed be thought
of in terms of {\e... | 0903.2570v1 |
2012-11-08 | A hybrid quantum circuit consisting of a superconducting flux qubit coupled to both a spin ensemble and a transmission-line resonator | We propose an experimentally realizable hybrid quantum circuit for achieving
a strong coupling between a spin ensemble and a transmission-line resonator via
a superconducting flux qubit used as a data bus. The resulting coupling can be
used to transfer quantum information between the spin ensemble and the
resonator. In... | 1211.1827v2 |
2013-03-18 | Spin resonance in Luttinger liquid with spin-orbit interaction | Spin-orbit interaction in quantum wires leads to a spin resonance at low
temperatures, even in the absence of an external dc magnetic field. We study
the effect of electron-electron interaction on the resonance. This interaction
is strong in quantum wires. We show that the electron-electron interaction
changes the shap... | 1303.4149v2 |
2013-09-09 | Real space Green's function approach to angle resolved resonant photoemission: spin polarization and circular dichroism in itinerant magnets | A first principles approach, based on the real space multiple scattering
Green's function method, is presented for spin- and angle-resolved resonant
photoemission from magnetic surfaces. It is applied to the Fe(010) valence band
photoemission excited with circularly polarized X-rays around the Fe L3
absorption edge. Wh... | 1309.2335v1 |
2013-09-21 | Fundamental limitations in spin-ensemble quantum memories for cavity fields | Inhomogeneously broadened spin ensembles play an important role in
present-day implementation of hybrid quantum processing architectures. When
coupled to a resonator such an ensemble may serve as a multi-mode quantum
memory for the resonator field, and by employing spin-refocusing techniques the
quantum memory time can... | 1309.5517v1 |
2013-11-29 | Resonant optical pumping of a Mn spin in a strain free quantum dot | We report on the spin properties of individual Mn atoms in II-VI
semiconductor strain free quantum dots. Strain free Mn-doped CdTe quantum dots
are formed by width fluctuations in thin quantum wells lattice matched on a
CdTe substrate. These quantum dots permit to optically probe and address any
spin state of a Mn atom... | 1311.7622v1 |
2014-04-02 | Ground-state cooling of a carbon nanomechanical resonator by spin-polarized current | We study the nonequilibrium steady state of a mechanical resonator in the
quantum regime realized by a suspended carbon nanotube quantum dot contacted by
two ferromagnets. Because of the spin-orbit interaction and/or an external
magnetic field gradient, the spin on the dot couples directly to the flexural
eigenmodes. A... | 1404.0485v3 |
2014-07-21 | Spin-dependent recombination at arsenic donors in ion-implanted silicon | Spin-dependent transport processes in thin near-surface doping regions
created by low energy ion implantation of arsenic in silicon are detected by
two methods, spin-dependent recombination (SDR) using microwave
photoconductivity and electrically detected magnetic resonance (EDMR)
monitoring the DC current through the ... | 1407.5534v1 |
2015-04-07 | Quasiparticle Spin Resonance and Coherence in Superconducting Aluminium | Spin/magnetisation relaxation and coherence times, respectively T_1 and T_2,
initially defined in the context of nuclear magnetic resonance (NMR), are
general concepts applicable to a wide range of systems, including quantum bits
[1-4]. At first glance, these ideas might seem to be irrelevant to conventional
Bardeen-Co... | 1504.01615v1 |
2016-05-23 | Cooling a Mechanical Resonator with a Nitrogen-Vacancy Center Ensemble Using a Room Temperature Excited State Spin-Strain Interaction | We propose a protocol to dissipatively cool a room temperature mechanical
resonator using a nitrogen-vacancy (NV) center ensemble. The spin ensemble is
coupled to the resonator through its orbitally-averaged excited state, which
has a spin-strain interaction that has not been previously characterized. We
experimentally... | 1605.07131v2 |
2019-11-18 | Influence of non-equilibrium phonons on the spin dynamics of a single Cr atom | We analyse the influence of optically generated non-equilibrium phonons on
the spin relaxation and effective spin temperature of an individual Cr atom
inserted in a quantum dot. Using a three pulses pump-probe technique, we show
that the spin relaxation measured in resonant optical pumping experiments
strongly depends ... | 1911.07639v1 |
2017-05-26 | Static and Dynamic Magnetic Properties of FeMn/Pt Multilayers | Recently we have demonstrated the presence of spin-orbit toque in FeMn/Pt
multilayers which, in combination with the anisotropy field, is able to rotate
its magnetization consecutively from 0o to 360o without any external field.
Here, we report on an investigation of static and dynamic magnetic properties
of FeMn/Pt mu... | 1705.09423v1 |
2018-02-15 | Strain-assisted optomechanical coupling of polariton condensate spin to a micromechanical resonator | We report spin and intensity coupling of an exciton-polariton condensate to
the mechanical vibrations of a circular membrane microcavity. We optically
drive the microcavity resonator at the lowest mechanical resonance frequency
while creating an optically-trapped spin-polarized polariton condensate in
different locatio... | 1802.05442v1 |
2017-06-06 | Spinon magnetic resonance of quantum spin liquids | We describe electron spin resonance in a quantum spin liquid with significant
spin-orbit coupling. We find that the resonance directly probes spinon
continuum which makes it an efficient and informative probe of exotic
excitations of the spin liquid. Specifically, we consider spinon resonance of
three different spinon ... | 1706.01597v2 |
2021-08-02 | Coherence properties of a spin in a squeezed resonator | A promising venue for hybrid quantum computation involves the strong coupling
between impurity spins and superconducting resonators. One strategy to control
and enhance this coupling is to prepare the resonator in a non-classical state,
such as a squeezed state. In this work, we theoretically study the effects of
these... | 2108.01091v1 |
2021-01-07 | Nanoscale spin detection of copper ions using double electron-electron resonance at room temperature | We report the nanoscale spin detection and electron paramagnetic resonance
(EPR) spectrum of copper (Cu$^{2+}$) ions via double electron-electron
resonance with single spins in diamond at room temperature and low magnetic
fields. We measure unexpectedly narrow EPR resonances with linewidths $\sim
2-3$ MHz from copper-c... | 2101.02650v2 |
2022-12-27 | Optimizing tip-surface interactions in ESR-STM experiments | Electron-spin resonance carried out with scanning tunneling microscopes
(ESR-STM) is a recently developed experimental technique that is attracting
enormous interest on account of its potential to carry out single-spin
on-surface resonance with subatomic resolution. Here we carry out a theoretical
study of the role of ... | 2212.13471v1 |
2024-01-27 | Spin--spin interaction and magnetic Feshbach resonances in collisions of high-spin atoms with closed-shell atoms | We investigate interactions and ultracold collisions of high-spin but
spherical atoms with closed-shell atoms, focussing on the example of Cr with
Yb. Such a combination has only one potential energy curve but gives rise to a
substantial intra-atomic spin--spin interaction, which causes Feshbach
resonances due to rotat... | 2401.15350v1 |
2008-03-18 | Kelvin Waves of Quantized Vortex Lines in Trapped Bose-Einstein Condensates | We have theoretically investigated Kelvin waves of quantized vortex lines in
trapped Bose-Einstein condensates. Counterrotating perturbation induces an
elliptical instability to the initially straight vortex line, driven by a
parametric resonance between a quadrupole mode and a pair of Kelvin modes of
opposite momenta.... | 0803.2574v2 |
2019-01-04 | Unified view of nonlinear wave structures associated with whistler-mode chorus | A range of nonlinear wave structures, including Langmuir waves, unipolar
electric fields and bipolar electric fields, are often observed in association
with whistler-mode chorus waves in the near-Earth space. We demonstrate that
the three seemingly different nonlinear wave structures originate from the same
nonlinear e... | 1901.00953v3 |
2023-09-15 | Gravitational waves from axion wave production | We consider a scenario with axions/axion-like particles Chern-Simons gravity
coupling, such that gravitational waves can be produced directly from axion
wave parametric resonance in the early universe after inflation. This axion
gravity term is less constrained compared to the well-searched axion photon
coupling and ca... | 2309.08407v2 |
2021-07-22 | Spin-orbit torque control of spin waves in a ferromagnetic waveguide | Spin-orbit torque (SOT) created by a spin current injected into a ferromagnet
by an adjacent heavy metal represents an efficient tool for the excitation and
manipulation of spin waves. Here we report the micromagnetic simulations
describing the influence of SOT on the propagation of spin waves in the
$\mathrm{W}/\mathr... | 2107.10795v2 |
2023-11-04 | Evidence for Low-Level Dynamical Excitation in Near-Resonant Exoplanet Systems | The geometries of near-resonant planetary systems offer a relatively pristine
window into the initial conditions of exoplanet systems. Given that
near-resonant systems have likely experienced minimal dynamical disruptions,
the spin-orbit orientations of these systems inform the typical outcomes of
quiescent planet form... | 2311.02478v1 |
2004-08-05 | Spin Dynamics and Spin Transport | Spin-orbit (SO) interaction critically influences electron spin dynamics and
spin transport in bulk semiconductors and semiconductor microstructures. This
interaction couples electron spin to dc and ac electric fields. Spin coupling
to ac electric fields allows efficient spin manipulating by the electric
component of e... | 0408119v1 |
2000-04-12 | Resonant Spin-Dependent Tunneling in Spin-Valve Junctions in the Presence of Paramagnetic Impurities | The tunnel magnetoresistance (TMR) of F/O/F magnetic junctions, (F's are
ferromagnetic layers and O is an oxide spacer) in the presence of magnetic
impurities within the barrier, is investigated. We assume that magnetic
couplings exist both between the spin of impurity and the bulk magnetization of
the neighboring magn... | 0004198v2 |
2014-11-19 | Coherent Control of a Nitrogen-Vacancy Center Spin Ensemble with a Diamond Mechanical Resonator | Coherent control of the nitrogen-vacancy (NV) center in diamond's triplet
spin state has traditionally been accomplished with resonant ac magnetic fields
under the constraint of the magnetic dipole selection rule, which forbids
direct control of the $|-1>\leftrightarrow |+1>$ spin transition. We show that
high-frequenc... | 1411.5325v2 |
2012-09-02 | Nanoscale magnetic imaging of a single electron spin under ambient conditions | The detection of ensembles of spins under ambient conditions has
revolutionized the biological, chemical, and physical sciences through magnetic
resonance imaging and nuclear magnetic resonance. Pushing sensing capabilities
to the individual-spin level would enable unprecedented applications such as
single molecule str... | 1209.0203v1 |
2013-07-10 | Scaling of spin Hall angle in 3d, 4d and 5d metals from Y3Fe5O12/metal spin pumping | Pure spin currents generated by spin pumping in ferromagnet/nonmagnet (FM/NM)
bilayers produce inverse spin Hall effect (ISHE) voltages in the NM, from which
spin pumping and transport characteristics of the NM can be extracted. Due to
its exceptionally low damping, Y3Fe5O12 (YIG) is an important and widely used
FM for... | 1307.2648v2 |
2013-07-10 | Inverse Spin Hall Effect in NiFe / Normal Metal Bilayers | Spin pumping in ferromagnets provides a source of pure spin currents. Via the
inverse spin Hall effect a spin current is converted into a charge current and
a corresponding detectable DC-voltage. The ratio of injected spin current to
resulting charge current is given by the spin Hall angle. However, the number
of exper... | 1307.2947v1 |
2015-11-01 | Reciprocal spin Hall effects in conductors with strong spin-orbit coupling: a review | Spin Hall effect and its inverse provide essential means to convert charge to
spin currents and vice versa, which serve as a primary function for spintronic
phenomena such as the spin-torque ferromagnetic resonance and the spin Seebeck
effect. These effects can oscillate magnetization or detect a thermally
generated sp... | 1511.00332v1 |
2018-04-23 | Microscopic linear response theory of spin relaxation and relativistic transport phenomena in graphene | We present a unified theoretical framework for the study of spin dynamics and
relativistic transport phenomena in disordered two-dimensional Dirac systems
with pseudospin-spin coupling. The formalism is applied to the paradigmatic
case of graphene with uniform Bychkov-Rashba interaction and shown to capture
spin relaxa... | 1804.08634v2 |
1996-07-25 | Charge and Spin Response of the Spin--Polarized Electron Gas | The charge and spin response of a spin--polarized electron gas is
investigated including terms beyond the random phase approximation. We evaluate
the charge response, the longitudinal and transverse spin response, and the
mixed spin--charge response self--consistently in terms of the susceptibility
functions of a non--... | 9607178v1 |
2007-09-21 | Spin-orbit mediated anisotropic spin interaction in interacting electron systems | We investigate interactions between spins of strongly correlated electrons
subject to the spin-orbit interaction. Our main finding is that of a novel,
spin-orbit mediated anisotropic spin-spin coupling of the van der Waals type.
Unlike the standard exchange, this interaction does not require the wave
functions to overl... | 0709.3521v2 |
2012-04-20 | Composite Spin Liquid in Correlated Topological Insulator - Spin Liquid without Spin-Charge Separation | In this paper, we found a new type of insulator - composite spin liquid which
can be regarded as a short range B-type topological spin-density-wave.
Composite spin liquid is topological ordered state beyond the classification of
traditional spin liquid states. The elementary excitations are the "composite
electrons" wi... | 1204.4552v1 |
2021-05-27 | Tunneling spin current in a system with spin degeneracy | We study theoretically spin current generation from a band insulator with PT
symmetry, which is associated with Zener tunneling in strong dc electric
fields. Each band in this system is doubly degenerate with opposite spins, but
spin rotational symmetry is not preserved in general. We consider the condition
for spin cu... | 2105.13162v1 |
2020-01-21 | Modulation theory and resonant regimes for dispersive shock waves in nematic liquid crystals | A full analysis of all regimes for optical dispersive shock wave (DSW)
propagation in nematic liquid crystals is undertaken. These dispersive shock
waves are generated from step initial conditions for the optical field and are
resonant in that linear diffractive waves are in resonance with the DSW,
resulting in a reson... | 2001.07647v1 |
2021-01-02 | Acoustic radiation-free surface phononic crystal resonator for in-liquid low-noise gravimetric detection | Acoustic wave resonators are promising for gravimetric biosensing. However,
they generally suffer from strong acoustic radiation in liquid, which limits
their quality factor and increases their frequency noise. This article presents
an acoustic-radiation-free gravimetric biosensor based on a locally-resonant
surface ph... | 2101.00504v2 |
2021-11-09 | The In Situ Signature of Cyclotron Resonant Heating | The dissipation of magnetized turbulence is an important paradigm for
describing heating and energy transfer in astrophysical environments such as
the solar corona and wind; however, the specific collisionless processes behind
dissipation and heating remain relatively unconstrained by measurements. Remote
sensing obser... | 2111.05400v2 |
2004-07-28 | Comment on "Exchange interaction parameters and adiabatic spin-wave spectra of ferromagnets: A 'renormalized magnetic force theorem'" | This is a comment on publication in Phys. Rev. Lett. 90, 087205 (2003):
``Exchange interaction parameters and adiabatic spin-wave spectra of
ferromagnets: A `renormalized magnetic force theorem''' | 0407739v1 |
2017-12-02 | Coherent excitation of heterosymmetric spin waves with ultrashort wavelengths | In the emerging field of magnonics, spin waves are foreseen as signal
carriers for future spintronic information processing and communication
devices, owing to both the very low power losses and a high device
miniaturisation potential predicted for short-wavelength spin waves. Yet, the
efficient excitation and controll... | 1712.00681v3 |
2014-06-11 | Spin flip probability of electron due to torsional wave | The probability of spin flip of an electron due to a torsional wave is
calculated. It is compared to the electromagnetic case, and ways to detect
torsion are discussed. | 1406.2965v1 |
2016-11-17 | Parallel pumping for magnon spintronics: Amplification and manipulation of magnon spin currents on the micron-scale | Magnonics and magnon spintronics aim at the utilization of spin waves and
magnons, their quanta, for the construction of wave-based logic networks via
the generation of pure all-magnon spin currents and their interfacing with
electrical charge transport. The promise of efficient parallel data processing
and low power c... | 1611.05893v1 |
2019-01-27 | Observation of band narrowing and mode conversion in two-dimensional binary magnonic crystal | We introduce a new type of binary magnonic crystal, where Ni$_{80}$Fe$_{20}$
nanodots of two different sizes are diagonally connected forming a unit and
those units are arranged in a square lattice. The magnetization dynamics of the
sample is measured by using time-resolved magneto-optical Kerr effect
microscope with v... | 1901.09325v1 |
2022-06-30 | Experimental Demonstration of a Spin-Wave Lens Designed with Machine Learning | We present the design and experimental realization of a device that acts like
a spin-wave lens i.e., it focuses spin waves to a specified location. The
structure of the lens does not resemble any conventional lens design, it is a
nonintuitive pattern produced by a machine learning algorithm. As a spin-wave
design tool,... | 2207.00055v1 |
2001-03-30 | Numerical computation of resonance poles in scattering theory | We present a possible way of computing resonance poles and modes in
scattering theory. Numerical examples are given for the scattering of
electromagnetic waves by finite-size photonic crystals. | 0103046v1 |
2004-10-08 | Identification of Local Alfven Wave Resonances with Reflectometry as a Diagnostic Tool in Tokamaks | Local Alfven wave (LAW) resonances are excited in tokamak plasmas by an
externally driven electro-magnetic field, with the frequency below the ion
cyclotron frequency, where using of the Alfven waves is assumed. Recently, wave
driven density fluctuations at the LAW resonance m=+/-1, N=+/-2 with few kW
power deposition ... | 0410048v1 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.