publicationDate stringlengths 1 2.79k | title stringlengths 1 36.5k ⌀ | abstract stringlengths 1 37.3k ⌀ | id stringlengths 9 47 |
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2007-08-14 | Shock Waves in Nanomechanical Resonators | The dream of every surfer is an extremely steep wave propagating at the
highest speed possible. The best waves for this would be shock waves, but are
very hard to surf. In the nanoscopic world the same is true: the surfers in
this case are electrons riding through nanomechanical devices on acoustic waves
[1]. Naturally... | 0708.1799v1 |
2015-10-03 | Multiscale Asymptotics for the Skeleton of the Madden-Julian Oscillation and Tropical-Extratropical Interactions | A new model is derived and analyzed for tropical-extratropical interactions
involving the Madden-Julian oscillation (MJO). The model combines (i) the
tropical dynamics of the MJO and equatorial baroclinic waves and (ii) the
dynamics of barotropic Rossby waves with significant extratropical structure,
and the combined s... | 1510.00881v3 |
2016-01-21 | Detection of spin pumping from YIG by spin-charge conversion in a Au/Ni$_{80}$Fe$_{20}$ spin-valve structure | Many experiments have shown the detection of spin-currents driven by
radio-frequency spin pumping from yttrium iron garnet (YIG), by making use of
the inverse spin-Hall effect, which is present in materials with strong
spin-orbit coupling, such as Pt. Here we show that it is also possible to
directly detect the resonan... | 1601.05605v1 |
2019-08-05 | Spin inertia and polarization recovery in quantum dots: Role of pumping strength and resonant spin amplification | Spin inertia measurements are a novel experimental tool to study long-time
spin relaxation processes in semiconductor nanostructures. We develop a theory
of the spin inertia effect for resident electrons and holes localized in
quantum dots. We consider the spin orientation by short optical pulses with
arbitrary pulse a... | 1908.01531v3 |
2015-01-26 | Decoherent time-dependent transport beyond the Landauer-Büttiker formulation: a quantum-drift alternative to quantum jumps | We present a model for decoherence in time-dependent transport. It boils down
into a form of wave function that undergoes a smooth stochastic drift of the
phase in a local basis, the Quantum Drift (QD) model. This drift is nothing
else but a local energy fluctuation. Unlike Quantum Jumps (QJ) models, no jumps
are prese... | 1501.06610v2 |
2017-05-29 | Dynamic pathway of the photoinduced phase transition of TbMnO$_3$ | We investigate the demagnetization dynamics of the cycloidal and sinusoidal
phases of multiferroic TbMnO$_3$ by means of time-resolved resonant soft x-ray
diffraction following excitation by an optical pump. Using orthogonal linear
x-ray polarizations, we suceeded in disentangling the response of the
multiferroic cyclo... | 1705.10136v1 |
2019-06-04 | Torque equilibrium spin wave theory study of anisotropy and Dzyaloshinskii-Moriya interaction effects on the indirect K$-$ edge RIXS spectrum of a triangular lattice antiferromagnet | We apply the recently formulated torque equilibrium spin wave theory (TESWT)
to compute the $1/S$-order interacting $K$ -edge bimagnon resonant inelastic
x-ray scattering (RIXS) spectra of an anisotropic triangular lattice
antiferromagnet with Dzyaloshinskii-Moriya (DM) interaction. We extend the
interacting torque equ... | 1906.01619v3 |
2003-11-11 | Spin-resonance modes of the spin-gap magnet TlCuCl_3 | Three kinds of magnetic resonance signals were detected in crystals of the
spin-gap magnet TlCuCl_3.
First, we have observed the microwave absorption due to the excitation of the
transitions between the singlet ground state and the excited triplet states.
This mode has the linear frequency-field dependence correspond... | 0311243v2 |
1994-02-17 | On The $Q^2$ Dependence of The Spin Structure Function In The Resonance Region | In this paper, we show what we can learn from the CEBAF experiments on
spin-structure functions, and the transition from the Drell-Hearn-Gerasimov sum
rule in the real photon limit to the spin dependent sum rules in the deep
inelastic scattering, and how the asymmetry $A_1(x,Q^2)$ approaches the scaling
limit in the re... | 9402308v1 |
2013-02-28 | First-principles calculations of spin and angle-resolved resonant photoemission spectra of Cr(110) surfaces at the 2$p$ - 3$d$ resonance | A first principles approach for spin and angle resolved resonant
photoemission is developed within multiple scattering theory and applied to a
Cr(110) surface at the 2$p$-3$d$ resonance. The resonant photocurrent from this
non ferromagnetic system is found to be strongly spin polarized by circularly
polarized light, in... | 1302.7160v1 |
2018-05-15 | Microwave dual-mode resonators for coherent spin-photon coupling | We implement superconducting YBCO planar resonators with two fundamental
modes for circuit quantum electrodynamics experiments. We first demonstrate
good tunability in the resonant microwave frequencies and in their interplay as
it emerges from the dependence of the transmission spectra on the device
geometry. We then ... | 1805.05843v3 |
2021-04-29 | Bulk-Sensitive Spin-Resolved Resonant Electron Energy-Loss Spectroscopy (SR-rEELS): Observation of Element- and Spin-Selective Bulk Plasmons | We have developed a spin-resolved resonant electron energy-loss spectroscopy
(SR-rEELS) in the primary energy of 0.3--1.5 keV, which corresponds to the core
excitations of $2p$-$3d$ absorption of transition metals and $3d$-$4f$
absorption of rare-earths, with the energy resolution of about 100~meV using a
spin-polarize... | 2104.14262v2 |
2008-06-23 | Strong magnetic coupling between an electronic spin qubit and a mechanical resonator | We describe a technique that enables a strong, coherent coupling between a
single electronic spin qubit associated with a nitrogen-vacancy impurity in
diamond and the quantized motion of a magnetized nano-mechanical resonator tip.
This coupling is achieved via careful preparation of dressed spin states which
are highly... | 0806.3606v1 |
2020-05-14 | Impurity-induced resonant spinon zero modes in Dirac quantum spin-liquids | Quantum spin-liquids are strongly correlated phases of matter displaying a
highly entangled ground state. Due to their unconventional nature, finding
experimental signatures of these states has proven to be a remarkable
challenge. Here we show that the effects of local impurities can provide strong
signatures of a Dira... | 2005.06896v2 |
1999-08-26 | Lepton -Neutron Bound States | We consider lepton-neutron (and lepton-antineutron) bound states and
resonances which appear due to spin-spin, spin-orbital interactions,neutron
polarization by muon. Our analis is also true for any system which include one
charge and one neutral particle with finite size e.g. $\pi^0\mu^{\pm}$-bound
states.We consider ... | 9908478v2 |
1995-08-02 | Spin-dependent resonant tunneling through semimetallic ErAs quantum wells | Resonant tunneling through semimetallic ErAs quantum wells embedded in GaAs
structures with AlAs barriers was recently found to exhibit an intriguing
behavior in magnetic fields which is explained in terms of tunneling selection
rules and the spin-polarized band structure including spin-orbit coupling. | 9508003v1 |
1999-09-21 | Spin Alignments in Heavy-ion Resonances | Recent particle-particle-$\gamma$ coincident measurements on a $^{28}\rm
Si+{}^{28}Si$ resonance have suggested ''vanishing spin alignments''. New
analyses for spin alignments by using a molecular model are reported. Different
aspects between di-nuclear systems with prolate deformed nuclei and those with
oblate deforme... | 9909056v1 |
2004-05-24 | Spin Microscope Based on Optically Detected Magnetic Resonance | We propose a scanning magnetic microscope which has a photoluminescence
nanoprobe implanted in the tip of an AFM or STM, or NSOM, and exhibits
optically detected magnetic resonance (ODMR). The proposed spin microscope has
nanoscale lateral resolution and the single spin sensitivity for AFM and STM. | 0405143v1 |
2013-12-29 | The spin-orbit resonances of the Solar system: A mathematical treatment matching physical data | In the mathematical framework of a restricted, slightly dissipative
spin-orbit model, we prove the existence of periodic orbits for astronomical
parameter values corresponding to all satellites of the Solar system observed
in exact spin-orbit resonance. | 1312.7544v1 |
2014-03-06 | Influence of the Dzyaloshinskii-Moriya interaction on the spin-torque diode effect | This paper predicts the effect of the Dzyaloshinskii-Moriya interaction (DMI)
and spin Hall effect in the spin-torque diode response of a Magnetic Tunnel
Junction built over a Tantalum strip. Our results indicate that, for a
microwave current large enough, the DMI can change qualitatively the resonant
response by split... | 1403.1485v1 |
2019-11-04 | Fano resonance in metallic grating via strongly coupled subwavelength resonators | We investigate the Fano resonance in grating structures by using coupled
resonators. The grating consists of a perfectly conducting slab with
periodically arranged subwavelength slit holes, where inside each period, a
pair of slits sit very close to each other. The slit holes act as resonators
and are strongly coupled.... | 1911.01025v2 |
2023-03-28 | Characterization of harmonic modes and parasitic resonances in multi-mode superconducting coplanar resonators | Planar superconducting microwave transmission line resonators can be operated
at multiple harmonic resonance frequencies. This allows covering wide spectral
regimes with high sensitivity, as it is desired e.g. for cryogenic microwave
spectroscopy. A common complication of such experiments is the presence of
undesired '... | 2303.15914v1 |
2023-11-29 | Velocity Space Signatures of Resonant Energy Transfer between Whistler Waves and Electrons in the Earth's Magnetosheath | Wave--particle interactions play a crucial role in transferring energy
between electromagnetic fields and charged particles in space and astrophysical
plasmas. Despite the prevalence of different electromagnetic waves in space,
there is still a lack of understanding of fundamental aspects of wave--particle
interactions... | 2311.17309v1 |
2020-04-05 | Resonant high-energy bremsstrahlung of ultrarelativistic electrons in the field of a nucleus and a pulsed light wave | The actual theoretical research investigates the resonant high-energy
spontaneous bremsstrahlung of ultrarelativistic electrons with considerable
energies in the field of a nucleus and a quasimonochromatic laser wave. Under
the resonant conditions within the laser field the intermediate virtual
electron transforms into... | 2004.02247v1 |
2019-08-30 | Dynamical generation of resonances in the P33 partial wave | We investigate the formation of resonances in the P33 partial wave with the
emphasis on possible emergence of dynamically generated quasi-bound states as a
consequence of a strong $p$-wave pion attractive interaction in this partial
wave, as well as their possible interaction with the genuine quark excited
states. By u... | 1908.11750v1 |
2006-09-11 | Spin Waves in Ultrathin Ferromagnets: Intermediate Wave Vectors | Our earlier papers explore the nature of large wave vector spin waves in
ultrathin ferromagnets, and also the properties and damping of spin waves of
zero wave vector, at the center of the two dimensional Brillouin zone, with
application to FMR studies. The present paper explores the behavior of spin
waves in such film... | 0609236v1 |
2006-06-15 | Soliton like wave packets in quantum wires | At a Fano resonance in a quantum wire there is strong quantum mechanical
back-scattering. When identical wave packets are incident along all possible
modes of incidence, each wave packet is strongly scattered. The scattered wave
packets compensate each other in such a way that the outgoing wave packets are
similar to t... | 0606412v2 |
2013-07-23 | Trajectory eigenmodes of an orbiting wave source | Resonances usually result from wave superpositions in cavities where they are
due to the wave spatio-temporal folding imposed by the boundaries. These energy
accumulations are the signature of the cavity eigenmodes. Here we study a
situation in which wave superposition results from the motion of a source
emitting susta... | 1307.5986v1 |
2017-09-23 | Periodic traveling interfacial hydroelastic waves with or without mass II: Multiple bifurcations and ripples | In a prior work, the authors proved a global bifurcation theorem for
spatially periodic interfacial hydroelastic traveling waves on infinite depth,
and computed such traveling waves. The formulation of the traveling wave
problem used both analytically and numerically allows for waves with
multi-valued height. The globa... | 1709.08076v2 |
2021-03-12 | Three-wave resonant interactions in the diatomic chain with cubic anharmonic potential: theory and simulations | We consider a diatomic chain characterized by a cubic anharmonic potential.
After diagonalizing the harmonic case, we study in the new canonical variables,
the nonlinear interactions between the acoustical and optical branches of the
dispersion relation. Using the {\it wave turbulence} approach, we formally
derive two ... | 2103.08336v1 |
2017-06-29 | Reconfigurable topological spin wave beamsplitters and interferometers | Conventional magnonic devices use three classes of magnetostatic waves that
require detailed manipulation of magnetization structure that makes the design
and the device/circuitry scalability difficult tasks. Here, we demonstrate that
devices based on topological exchange spin waves do not suffer from the problem
with ... | 1706.09548v2 |
2019-10-29 | Multi-Layer Restricted Boltzmann Machine Representation of 1D Quantum Many-Body Wave Functions | We consider representing two classes of 1D quantum wave functions of spin
systems, including the AKLT and CFT correlator wave functions, in terms of
multi-layer restricted Boltzmann machines. In our prescription, the AKLT wave
function can be exactly represented by a 2-layer restricted Boltzmann machine
with five hidde... | 1910.13454v1 |
2021-06-21 | Local non-linear excitation of sub-100 nm bulk-type spin waves by edge-localized spin waves in magnetic films | The excitation of high-frequency short-wavelength spin waves is a challenge
limiting the application of these propagating magnetization disturbances in
information processing systems. We propose a method of local excitation of the
high-frequency spin waves using the non-linear nature of magnetization
dynamics. We demon... | 2106.11114v1 |
2006-01-05 | Na content dependence of superconductivity and the spin correlations in Na_{x}CoO_{2}\cdot 1.3H_{2}O | We report systematic measurements using the ^{59}Co nuclear quadrupole
resonance(NQR) technique on the cobalt oxide superconductors Na_{x}CoO_{2}\cdot
1.3H_{2}O over a wide Na content range x=0.25\sim 0.34. We find that T_c
increases with decreasing x but reaches to a plateau for x \leq0.28. In the
sample with x \sim 0... | 0601089v2 |
2009-11-20 | Magnetisation dynamics in exchange coupled spring systems with perpendicular anisotropy | Magnetisation dynamics in exchange spring magnets have been studied using
simulations of the FePt/Fe bilayer system. The FePt hard layer exhibits strong
perpendicular magnetocrystalline anisotropy, while the soft (Fe) layer has
negligible magnetocrystalline anisotropy. The variation of the local spin
orientation in the... | 0911.4137v2 |
2010-11-30 | Light-Meson Spectroscopy with COMPASS | COMPASS is a multi-purpose fixed-target experiment at the CERN Super Proton
Synchrotron investigating the structure and spectrum of hadrons. One primary
goal is the search for new hadronic states, in particular spin-exotic mesons
and glueballs.
After a short pilot run in 2004 with a 190 GeV/c $\pi^-$ beam on a Pb tar... | 1011.6615v2 |
2013-08-28 | Quantum phase diagram of the $S=1/2$ triangular-lattice antiferromagnet Ba$_3$CoSb$_2$O$_9$ | The magnetic phases of the ideal spin-1/2 triangular-lattice antiferromagnet
Ba$_3$CoSb$_2$O$_9$ are identified and studied using $^{135,137}$Ba nuclear
magnetic resonance (NMR) spectroscopy in magnetic fields ranging to 30T,
oriented parallel and near perpendicular to the crystallographic $ab$-plane.
For both directio... | 1308.6331v2 |
2015-10-20 | Spin-polarized neutron matter: Critical unpairing and BCS-BEC precursor | We obtain the critical magnetic field required for complete destruction of
$S$-wave pairing in neutron matter, thereby setting limits on the pairing and
superfluidity of neutrons in the crust and outer core of magnetars. We find
that for fields $B \ge 10^{17}$ G the neutron fluid is non-superfluid -- if
weaker spin-1 s... | 1510.06000v2 |
2016-01-27 | Asymmetric angular dependence of spin-transfer torques in CoFe/Mg-B-O/CoFe magnetic tunnel junctions | Using a first-principles noncollinear wave-function-matching method, we
studied the spin-transfer torques (STTs) in CoFe/Mg-B-O/CoFe(001) magnetic
tunnel junctions (MTJs), where three different types of B-doped MgO in the
spacer are considered, including B atoms replacing Mg atoms (Mg$_3$BO$_4$), B
atoms replacing O at... | 1601.07286v2 |
2018-07-13 | Multiphoton Raman transitions and Rabi oscillations in driven spin systems | In the framework of the non-secular perturbation theory based on the
Bogoliubov averaging method, the coherent dynamics of multiphoton Raman
transitions in a two-level spin system driven by an amplitude-modulated
microwave field is studied. Closed-form expressions for the Rabi frequencies of
these transitions have been... | 1807.05086v2 |
2021-08-12 | Optically controllable magnetism in atomically thin semiconductors | Electronic states in two-dimensional layered materials can exhibit a
remarkable variety of correlated phases including Wigner-crystals, Mott
insulators, charge density waves, and superconductivity. Recent experimental
and theoretical research has indicated that ferromagnetic phases can exist in
electronically-doped tra... | 2108.05931v1 |
2019-07-26 | Ground state phase diagram of the doped Hubbard model on the 4-leg cylinder | We study the ground state properties of the Hubbard model on a 4-leg cylinder
with doped hole concentration per site $\delta\leq 12.5\%$ using density-matrix
renormalization group. By keeping a large number of states for long system
sizes, we find that the nature of the ground state is remarkably sensitive to
the prese... | 1907.11728v1 |
2020-12-11 | Universal collective modes from strong electronic correlations: Modified $1/\mathcal{N}_f$ theory with application to high-$T_c$ cuprates | A nonzero-temperature technique for strongly correlated electron lattice
systems, combining elements of both variational wave function (VWF) approach
and expansion in the inverse number of fermionic flavors ($1/\mathcal{N}_f$),
is developed. The departure point, VWF method, goes beyond the renormalized
mean-field theor... | 2012.06630v2 |
2022-04-09 | Bifurcation analysis of strongly nonlinear injection locked spin torque oscillators | We investigate the dynamics of an injection locked in-plane uniform spin
torque oscillator for several forcing configurations at large driving
amplitudes. For the analysis, the spin wave amplitude equation is used to
reduce the dynamics to a general oscillator equation in which the forcing is a
complex valued function ... | 2204.04454v1 |
2022-06-22 | Resonant Islands of Effective-One-Body Dynamics | We study the chaotic signatures of the geodesic dynamics of a non-spinning
test particle in the effective-one-body (EOB) formalism for the inspiral
process of spinning binary black holes. We first show that the second order
post-Newtonian (2PN) EOB dynamics is non-integrable by demonstrating that the
EOB metric does no... | 2206.10966v2 |
2024-03-05 | Microelectronic readout of a diamond quantum sensor | Quantum sensors based on the nitrogen-vacancy (NV) centre in diamond are
rapidly advancing from scientific exploration towards the first generation of
commercial applications. While significant progress has been made in developing
suitable methods for the manipulation of the NV centre spin state, the
detection of the d... | 2403.03090v2 |
2000-02-11 | Coexistent State of Charge Density Wave and Spin Density Wave in One-Dimensional Quarter Filled Band Systems under Magnetic Fields | We theoretically study how the coexistent state of the charge density wave
and the spin density wave in the one-dimensional quarter filled band is
enhanced by magnetic fields. We found that when the correlation between
electrons is strong the spin density wave state is suppressed under high
magnetic fields, whereas the... | 0002165v3 |
2016-08-26 | Strain-induced spin resonance shifts in silicon devices | In spin-based quantum information processing devices, the presence of control
and detection circuitry can change the local environment of a spin by
introducing strain and electric fields, altering its resonant frequencies.
These resonance shifts can be large compared to intrinsic spin line-widths and
it is therefore im... | 1608.07346v3 |
2020-04-30 | Tilting Uranus: Collisions versus Spin--Orbit Resonance | In this paper, we investigate whether Uranus's 98$^{\circ}$ obliquity was a
by-product of a secular spin-orbit resonance assuming that the planet
originated closer to the Sun. In this position, Uranus's spin precession
frequency is fast enough to resonate with another planet located beyond Saturn.
Using numerical integ... | 2004.14913v3 |
2021-04-22 | Spin-orbit resonances of high-eccentricity asteroids: regular, switching, and jumping | Few solar system asteroids and comets are found in high eccentricity orbits
($e > 0.9$) but in the primordial planetesimal disks and in exoplanet systems
around dying stars such objects are believed to be common. For 2006 HY51, the
main belt asteroid with the highest known eccentricity 0.9684, we investigate
the probab... | 2104.11338v1 |
2023-08-31 | Resonance contributions to nucleon spin structure in Holographic QCD | We study polarized inelastic electron-nucleon scattering at low momentum
transfer in the Witten-Sakai-Sugimoto model of holographic QCD, focusing on
resonance production contributions to the nucleon spin structure functions. Our
analysis includes both spin $3/2$ and spin $1/2$ low-lying nucleon resonances
with positive... | 2308.16833v2 |
2021-08-11 | Charge density waves in multiple-$Q$ spin states | Coupling between spin and charge degrees of freedom in electrons is a source
of various electronic and magnetic properties of solids. We theoretically study
charge density waves induced by the spin-charge coupling in the presence of
magnetic orderings in itinerant magnets. By performing a perturbative
calculation in th... | 2108.04997v2 |
2015-09-16 | Fano resonance in a normal metal/ferromagnet-quantum dot-superconductor device | We investigate theoretically the Andreev transport through a quantum dot
strongly coupled with a normal metal/ferromagnet and a superconductor
(N/F-QD-S), in which the interplay between the Kondo resonance and the Andreev
bound states (ABSs) has not been clearly clarified yet. Here we show that the
interference between... | 1509.04801v1 |
2002-02-25 | Eccentricity Evolution for Planets in Gaseous Disks | We investigate the hypothesis that interactions between a giant planet and
the disk from which it forms promote eccentricity growth. These interactions
are concentrated at discrete Lindblad and corotation resonances. Interactions
at principal Lindblad resonances cause the planet's orbit to migrate and open a
gap in the... | 0202462v1 |
2020-12-16 | Non-Invasive Near-field Spectroscopy of Single Sub-Wavelength Complementary Resonators | Subwavelength metallic resonators provide a route to achieving strong
light-matter coupling by means of tight confinement of resonant electromagnetic
fields. Investigation of such resonators however often presents experimental
difficulties, particularly at terahertz (THz) frequencies. A single
subwavelength resonator w... | 2012.09137v1 |
1999-08-29 | Local spin resonance and spin-Peierls-like phase transition in a geometrically frustrated antiferromagnet | Using inelastic magnetic neutron scattering we have discovered a localized
spin resonance at 4.5 meV in the ordered phase of the geometrically frustrated
cubic antiferromagnet $\rm ZnCr_2O_4$. The resonance develops abruptly from
quantum critical fluctuations upon cooling through a first order transition to
a co-planar... | 9908433v2 |
2002-08-22 | A scheme for electrical detection of spin resonance signal from a single electron trap | We study a scheme for electrical detection of the spin resonance (ESR) of a
single electron trapped near a Field Effect Transistor (FET) conduction
channel. In this scheme, the resonant Rabi oscillations of the trapped electron
spin cause a modification of the average occupancy of a shallow trap, which can
be detected ... | 0208438v1 |
2003-05-07 | Voltage-Controlled Spin Selection in a Magnetic Resonant Tunnelling Diode | We have fabricated all II-VI semiconductor resonant tunneling diodes based on
the (Zn,Mn,Be)Se material system, containing dilute magnetic material in the
quantum well, and studied their current-voltage characteristics. When subjected
to an external magnetic field the resulting spin splitting of the levels in the
quant... | 0305124v1 |
2012-11-01 | A one-dimensional spin-orbit interferometer | We demonstrate that the combination of an external magnetic field and the
intrinsic spin-orbit interaction results in nonadiabatic precession of the
electron spin after transmission through a quantum point contact (QPC). We
suggest that this precession may be observed in a device consisting of two QPCs
placed in series... | 1211.0080v1 |
2013-06-03 | Nanoscopic interferometer model for spin resonance in current noise | We study a model for the observed phenomenon of electron spin resonance (ESR)
at the Zeeman frequency as seen by a scanning tunneling microscope (STM) via
its current noise. The model for this ESR-STM phenomenon allows the STM current
to flow in two arms of a nanoscopic interferometer, one arm has direct
tunneling from... | 1306.0363v1 |
2013-07-24 | Quantum-Information Processing with Hybrid Spin-Photon Qubit Encoding | We introduce a scheme to perform quantum-information processing that is based
on a hybrid spin-photon qubit encoding. The proposed qubits consist of
spin-ensembles coherently coupled to microwave photons in coplanar waveguide
resonators. The quantum gates are performed solely by shifting the resonance
frequencies of th... | 1307.6474v1 |
2013-07-28 | Real Time Electrical Detection of Coherent Spin Oscillations | We demonstrate that the bandwidth of pulsed electrically detected magnetic
resonance can be increased to at least 80 MHz using a radio
frequency-reflectometry detection scheme. Using this technique, we measure
coherent spin oscillations in real time during a resonant microwave pulse. We
find that the observed signal is... | 1307.7413v1 |
2015-10-22 | Anomalous longitudinal relaxation of nuclear spins in CaF$_2$ | We consider the effect of non-secular resonances for interacting nuclear
spins in solids which were predicted theoretically to exist in the presence of
strong static and strong radio-frequency magnetic fields. These resonances
imply corrections to the standard secular approximation for the nuclear
spin-spin interaction... | 1510.06589v1 |
2018-05-07 | Resonant Spin Exchange between Heteronuclear Atoms Assisted by Periodic Driving | We propose a general scheme for inducing resonant exchange between spins or
pseudo-spins of unmatched levels via periodic driving. The basic idea is
illustrated for a system of two heteronuclear atoms, for which analytical
results are provided for the effective spin exchange (SE) interaction strength.
It is then applie... | 1805.02310v1 |
2018-09-07 | Nuclear spin pumping by pulling effect | The nuclear-to-electron spin angular momentum conversion via hyperfine
coupling in a normal metal (NM)/ferromagnet (FM) bilayer system is
theoretically investigated by using the nonequilibrium Green's function method.
The spin current generated by the nuclear magnetic resonance (NMR) is found to
be enhanced by the pull... | 1809.02272v1 |
2019-07-17 | Role of interactions in the energy of the spin resonance peak in Fe-based superconductors | We consider the spin response within the five-orbital model for iron-based
superconductors and study two cases: equal and unequal gaps in different bands.
In the first case, the spin resonance peak in the superconducting state appears
below the characteristic energy scale determined by the gap magnitude,
$2\Delta_L$. I... | 1907.08133v1 |
2020-10-27 | Mitigation of Space-Charge-Driven Resonance and Instability in High-Intensity Linear Accelerators via Beam Spinning | For modern high-intensity linear accelerators, the well-known envelope
instability and recently reported fourth-order particle resonance impose a
fundamental operational limit (i.e., zero-current phase advance should be less
than 90 deg). Motivated by the stability of spinning flying objects, we propose
a novel approac... | 2010.14080v3 |
2023-11-17 | Enhancing Electron-Nuclear Resonances by Dynamical Control Switching | We present a general method to realize resonant coupling between spins even
though their energies are of different scales. Applying the method to the
electron and nuclear spin systems such as a nitrogen-vacancy (NV) center with
its nearby nuclei, we show that a specific dynamical switching of the electron
spin Rabi fre... | 2311.10650v1 |
2007-03-17 | Large-amplitude coherent spin waves exited by spin-polarized current in nanoscale spin valves | We present spectral measurements of spin-wave excitations driven by direct
spinpolarized current in the free layer of nanoscale
Ir20Mn80/Ni80Fe20/Cu/Ni80Fe20 spin valves. The measurements reveal that
large-amplitude coherent spin wave modes are excited over a wide range of bias
current. The frequency of these excitatio... | 0703458v2 |
2011-04-04 | Electric Control of Spin Currents and Spin-Wave Logic | Spin waves in insulating magnets are ideal carriers for spin currents with
low energy dissipation. An electric field can modify the dispersion of spin
waves, by directly affecting, via spin-orbit coupling, the electrons that
mediate the interaction between magnetic ions. Our microscopic calculations
based on the super-... | 1104.0657v2 |
2020-12-23 | Topological spin-plasma waves | The surface of a topological insulator hosts Dirac electronic states with the
spin-momentum locking, which constrains spin orientation perpendicular to
electron momentum. As a result, collective plasma excitations in the
interacting Dirac liquid manifest themselves as coupled charge- and spin-waves.
Here we demonstrate... | 2012.12632v2 |
2015-12-11 | Recent Results on Spectroscopy from COMPASS | The COmmon Muon and Proton Apparatus for Structure and Spectroscopy (COMPASS)
is a multi-purpose fixed-target experiment at the CERN Super Proton Synchrotron
(SPS) aimed at studying the structure and spectrum of hadrons. The two-stage
spectrometer has a good acceptance for charged as well as neutral particles
over a wi... | 1512.03599v1 |
2018-03-15 | Mechanically Controlled Quantum Interference in Graphene Break Junctions | The ability to detect and distinguish quantum interference signatures is
important for both fundamental research and for the realization of devices
including electron resonators, interferometers and interference-based spin
filters. Consistent with the principles of subwavelength optics, the wave
nature of electrons can... | 1803.05642v2 |
2006-10-26 | Electron spin as a spectrometer of nuclear spin noise and other fluctuations | This chapter describes the relationship between low frequency noise and
coherence decay of localized spins in semiconductors. Section 2 establishes a
direct relationship between an arbitrary noise spectral function and spin
coherence as measured by a number of pulse spin resonance sequences. Section 3
describes the ele... | 0610716v2 |
2014-10-07 | Y3Fe5O12 Spin Pumping for Quantitative Understanding of Pure Spin Transport and Spin Hall Effect in a Broad Range of Materials | Using Y3Fe5O12 (YIG) thin films grown by our sputtering technique, we study
dynamic spin transport in nonmagnetic (NM), ferromagnetic (FM) and
antiferromagnetic (AF) materials by ferromagnetic resonance (FMR) spin pumping.
From both inverse spin Hall effect (ISHE) and damping enhancement, we determine
the spin mixing c... | 1410.1597v1 |
2018-07-25 | Nuclear spin dynamics influenced and detected by electron spin polarization in CdTe/CdMgTe quantum wells | Nuclear spin coherence and relaxation dynamics of all constituent isotopes of
an n-doped CdTe/(Cd,Mg)Te quantum well structure are studied employing
optically detected nuclear magnetic resonance. Using time-resolved pump-probe
Faraday ellipticity, we generate and detect the coherent spin dynamics of the
resident electr... | 1807.09672v2 |
2021-08-05 | Polarizing electron spins with a superconducting flux qubit | Electron spin resonance (ESR) is a useful tool to investigate properties of
materials in magnetic fields where high spin polarization of target electron
spins is required in order to obtain high sensitivity. However, the smaller
magnetic fields becomes, the more difficult high polarization is passively
obtained by ther... | 2108.02463v1 |
2023-04-26 | Critical Cavity-Magnon Polariton Mediated Strong Long-Distance Spin-Spin Coupling | Strong long-distance spin-spin coupling is desperately demanded for
solid-state quantum information processing, but it is still challenged. Here,
we propose a hybrid quantum system, consisting of a coplanar waveguide (CPW)
resonator weakly coupled to a single nitrogen-vacancy spin in diamond and a
yttrium-iron-garnet (... | 2304.13553v2 |
2002-03-15 | Modified spin-wave study of random antiferromagnetic-ferromagnetic spin chains | We study the thermodynamics of one-dimensional quantum spin-1/2 Heisenberg
ferromagnetic system with random antiferromagnetic impurity bonds. In the
dilute impurity limit, we generalize the modified spin-wave theory for random
spin chains, where local chemical potentials for spin-waves in ferromagnetic
spin segments ar... | 0203326v1 |
2003-10-20 | Spin wave spectrum of a disordered double exchange model | A double exchange model with quenched disorder for conduction electrons is
studied by field theoretical methods. By using a path integral formalism and
replica techniques based on it, an ensemble-averaged spin wave dispersion of
the localized spins is derived. It is shown that the spectrum of the spin wave
has gaps at ... | 0310446v1 |
2005-12-24 | Modified spin-wave theory of nuclear magnetic relaxation in one-dimensional quantum ferrimagnets: Three-magnon versus Raman processes | Nuclear spin-lattice relaxation in one-dimensional Heisenberg ferrimagnets is
studied by means of a modified spin-wave theory. Calculating beyond the
first-order mechanism, where a nuclear spin directly interacts with spin waves
through the hyperfine coupling, we demonstrate that the
exchange-scattering-enhanced three-... | 0512629v1 |
2006-01-24 | MnO Spin-Wave Dispersion Curves from Powder Diffraction Data | We describe a model-independent approach for the extraction of spin-wave
dispersion curves from neutron total scattering data. The method utilises a
statistical analysis of real-space spin configurations to calculate
spin-dynamical quantities. The RMCProfile implementation of the reverse Monte
Carlo refinement process ... | 0601558v2 |
2024-03-20 | Electron wave spin in a cavity | Our study reveals electron spin in a cavity as a stable circulating current
density, characterized by a torus topology. This current density circulates
concentrically beyond the cavity boundary, illustrating the concept of
evanescent wave spin. While the interaction with a uniform magnetic field
aligns with established... | 2403.13696v1 |
2013-12-17 | Dynamical resonance locking in tidally interacting binary systems | We examine the dynamics of resonance locking in detached, tidally interacting
binary systems. In a resonance lock, a given stellar or planetary mode is
trapped in a highly resonant state for an extended period of time, during which
the spin and orbital frequencies vary in concert to maintain the resonance.
This phenome... | 1312.4966v2 |
2023-07-20 | The loop-zag resonator: A loop-gap resonator design for improved sensitivity in electron-spin resonance experiments | We present a novel design of loop-gap resonator, the loop-zag resonator, for
sub-X-band electron-spin resonance spectroscopy. The loop-zag design can
achieve improved coupling to small-sample spin systems through the improvement
of sample filling factor and RF $B_1$ field. By introducing ``zags'' to the
resonator's gap... | 2307.11269v1 |
2021-08-11 | Scattering of ultrastrong electromagnetic waves by magnetized particles | Observations of powerful radio waves from neutron star magnetospheres raise
the question of how strong waves interact with particles in a strong background
magnetic field $B_{bg}$. This problem is examined by solving the particle
motion in the wave. Remarkably, waves with amplitudes $E_0>B_{bg}$ pump
particle energy vi... | 2108.05464v2 |
1997-07-29 | Spin Wave Instability of Itinerant Ferromagnet | We show variationally that instability of the ferromagnetic state in the
Hubbard model is largely controlled by softening of a long-wavelength spin-wave
excitation, except in the over-doped strong-coupling region where the
individual-particle excitation becomes unstable first. A similar conclusion is
drawn also for the... | 9707300v1 |
2002-04-09 | Spatial resolution of spin waves in an ultra-cold gas | We present the first spatially resolved images of spin waves in a gas. The
complete longitudinal and transverse spin field as a function of time and space
is reconstructed. Frequencies and damping rates for a standing-wave mode are
extracted and compared with theory. | 0204182v1 |
2005-05-15 | Spin Charge Recombination in Projected Wave Functions | We find spin charge recombination is a generic feature of projected wave
functions. We find this effect is responsible for a series of differences
between mean field theory prediction and the result from projected wave
functions. We also find spin charge recombination plays an important role in
determining the dissipat... | 0505369v1 |
2016-04-22 | Waves from an oscillating point source with a free surface in the presence of a shear current | We investigate analytically the linearized water wave radiation problem for
an oscillating submerged point source in an inviscid shear flow with a free
surface. A constant depth is taken into account and the shear flow increases
linearly with depth. The surface velocity relative to the source is taken to be
zero, so th... | 1604.06680v1 |
2023-03-22 | Attenuating surface gravity waves by an array of submerged resonators: an experimental study | We report on an experimental study of a device composed by an array of
submerged, reversed and periodic cylindrical pendula (resonators), whose
objective is the attenuation of surface gravity waves. The idea is inspired by
the concept of metamaterials, i.e. engineered structures designed to interact
with waves and mani... | 2303.12646v1 |
2004-12-28 | Resonant plasmon scattering by discrete breathers in Josephson junction ladders | We study the resonant scattering of plasmons (linear waves) by discrete
breather excitations in Josephson junction ladders. We predict the existence of
Fano resonances, and find them by computing the resonant vanishing of the
transmission coefficient. We propose an experimental setup of detecting these
resonances, and ... | 0412727v1 |
2011-02-28 | Resonant d-wave scattering in harmonic waveguides | We observe and analyze d-wave resonant scattering of bosons in tightly
confining harmonic waveguides. It is shown that the d-wave resonance emerges in
the quasi-1D regime as an imprint of a 3D d-wave shape resonance. A scaling
relation for the position of the d-wave resonance is provided. By changing the
trap frequency... | 1102.5686v2 |
2011-05-30 | Analytic description of atomic interaction at ultracold temperatures II: Scattering around a magnetic Feshbach resonance | Starting from a multichannel quantum-defect theory, we derive analytic
descriptions of a magnetic Feshbach resonance in an arbitrary partial wave $l$,
and the atomic interactions around it. An analytic formula, applicable to both
broad and narrow resonances of arbitrary $l$, is presented for ultracold atomic
scattering... | 1105.5846v1 |
2013-12-14 | Plasmon resonance and heat generation model in nanostructures | In this paper, we investigate the photothermal effects of the plasmon
resonance. Metal nanoparticles efficiently generate heat in the presence of
electromagnetic radiation. The process is strongly enhanced when a fixed
frequency of the incident wave illuminate on nanoprticles such that plasmon
resonance happen. We shal... | 1312.3994v1 |
2014-05-04 | Separated spin-up and spin-down quantum hydrodynamics of degenerated electrons: spin-electron acoustic wave appearance | Quantum hydrodynamic (QHD) model of charged spin-1/2 particles contains
physical quantities defined for all particles of a species including particles
with spin-up and with spin-down. Different population of states with different
spin direction is included in the spin density (magnetization). In this paper
we derive a ... | 1405.0719v1 |
2004-08-05 | 'Swing Absorption' of fast magnetosonic waves in inhomogeneous media | The recently suggested swing interaction between fast magnetosonic and Alfven
waves (Zaqarashvili and Roberts 2002) is generalized to inhomogeneous media. We
show that the fast magnetosonic waves propagating across an applied non-uniform
magnetic field can parametrically amplify the Alfven waves propagating along
the f... | 0408114v2 |
2007-05-16 | On the tuning of a wave-energy driven oscillating-water-column seawater pump to polychromatic waves | Performance of wave-energy devices of the oscillating water column (OWC) type
is greatly enhanced when a resonant condition with the forcing waves is
maintained. The natural frequency of such systems can in general be tuned to
resonate with a given wave forcing frequency. In this paper we address the
tuning of an OWC s... | 0705.2297v1 |
2020-11-11 | Numerical Simulation of Collinear Capillary-Wave Turbulence | We report on direct numerical simulation of quasi-one-dimensional
bidirectional capillary-wave turbulence. Although nontrivial three-wave and
four-wave resonant interactions are absent in this peculiar geometry, we show
that an energy transfer between scales still occurs concentrated around the
linear dispersion relati... | 2011.05636v1 |
2021-11-22 | Rogue Waves in (2+1)-Dimensional Three-Wave Resonant Interactions | Rogue waves in (2+1)-dimensional three-wave resonant interactions are
studied. General rogue waves arising from a constant background, from a
lump-soliton background and from a dark-soliton background have been derived,
and their dynamics illustrated. For rogue waves arising from a constant
background, fundamental rogu... | 2111.11333v1 |
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