publicationDate stringlengths 1 2.79k | title stringlengths 1 36.5k ⌀ | abstract stringlengths 1 37.3k ⌀ | id stringlengths 9 47 |
|---|---|---|---|
2009-03-05 | Static and fluctuating stripe order observed by resonant soft x-ray diffraction in La1.8Sr0.2NiO4 | We studied the stripe phase of La1.8Sr0.2NiO4 using neutron diffraction,
resonant soft x-ray diffraction (RSXD) at the Ni L2,3 edges, and resonant x-ray
diffraction (RXD) at the Ni K threshold. Differences in the q-space resolution
of the different techniques have to be taken into account for a proper
evaluation of dif... | 0903.0994v1 |
2010-03-25 | Nuclear-spin-independent short-range three-body physics in ultracold atoms | We investigate three-body recombination loss across a Feshbach resonance in a
gas of ultracold 7Li atoms prepared in the absolute ground state and perform a
comparison with previously reported results of a different nuclear-spin state
[N. Gross et.al., Phys. Rev. Lett. 103 163202, (2009)]. We extend the
previously repo... | 1003.4891v4 |
2010-07-02 | Charge order and low frequency spin dynamics in lanthanum cuprates revealed by Nuclear Magnetic Resonance | We report detailed 17O, 139La, and 63Cu Nuclear Magnetic Resonance (NMR) and
Nuclear Quadrupole Resonance (NQR) measurements in a stripe ordered
La1.875Ba0.125CuO4 single crystal and in oriented powder samples of
La1.8-xEu0.2SrxCuO4. We observe a partial wipeout of the 17O NMR intensity and
a simultaneous drop of the 1... | 1007.0339v1 |
2010-10-04 | Measuring spin and CP from semi-hadronic ZZ decays using jet substructure | We apply novel jet techniques to investigate the spin and CP quantum numbers
of a heavy resonance X, singly produced in pp -> X -> ZZ -> l(+)l(-)jj at the
LHC. We take into account all dominant background processes to show that this
channel, which has been considered unobservable until now, can qualify under
realistic ... | 1010.0676v2 |
2010-12-18 | Neutron Scattering Studies of spin excitations in hole-doped Ba0.67K0.33Fe2As2 superconductor | We report inelastic neutron scattering experiments on single crystals of
superconducting Ba0.67K0.33Fe2As2 (Tc = 38 K). In addition to confirming the
resonance previously found in powder samples, we find that spin excitations in
the normal state form longitudinally elongated ellipses along the QAFM
direction in momentu... | 1012.4065v2 |
2011-02-14 | Coplanar stripline antenna design for optically detected magnetic resonance on semiconductor quantum dots | We report on the development and testing of a coplanar stripline antenna that
is designed for integration in a magneto-photoluminescence experiment to allow
coherent control of individual electron spins confined in single self-assembled
semiconductor quantum dots. We discuss the design criteria for such a structure
whi... | 1102.2860v1 |
2011-07-21 | Theory of quantum energy transfer in spin chains: From superexchange to ballistic motion | Quantum energy transfer in a chain of two-level (spin) units, connected at
its ends to two thermal reservoirs, is analyzed in two limits: (i) In the
off-resonance regime, when the characteristic subsystem excitation energy gaps
are larger than the reservoirs frequencies, or the baths temperatures are low.
(ii) In the r... | 1107.4334v1 |
2011-08-02 | Spin noise spectroscopy under resonant optical probing conditions: coherent and non-linear effects | High sensitivity Faraday rotation spectroscopy is used to measure the
fluctuating magnetization noise of non-interacting rubidium atoms under
resonant and non-resonant optical probing conditions. The spin noise frequency
spectra in dependence on the probe light detuning with respect to the
D2-transition reveals clear s... | 1108.0591v2 |
2011-08-10 | Bias-induced destruction of ferromagnetism and disorder effects in GaMnAs heterostructures | The magneto-electric properties of resonant tunneling double barrier
structures using GaMnAs for the quantum well is investigated within a
self-consistent Green's function approach and a tight-binding electronic
structure model. The magnetic state of the well is determined self-consistently
by the tunneling current whi... | 1108.2108v1 |
2012-01-13 | Density, spin, and pairing instabilities in polarized ultracold Fermi gases | We study the influence of population imbalance on the pairing, spin, and
density instabilities of a two component ideal Fermi gas after a sudden quench
of interactions near a Feshbach resonance. Over a large region of parameters
the pairing instability is dominated by finite momentum pairing, suggesting the
possibility... | 1201.2972v1 |
2012-05-17 | A new Skyrme interaction with improved spin-isospin properties | A correct determination of the spin-isospin properties of the nuclear
effective interaction should lead, among other improvements, to an accurate
description of the Gamow-Teller Resonance (GTR). These nuclear excitations
impact on a variety of physical processes: from the response in charge-exchange
reactions of nuclei... | 1205.3958v2 |
2012-07-13 | Magnetic moments of the low-lying {1/2}^- octet baryon resonances | The magnetic moments of the negative parity octet resonances with spin {1/2}:
$N^*$(1535), $N^*$(1650), $\Sigma^*$(1620), and $\Xi^*$(1690) have been
calculated within the framework of the chiral constituent quark model. In this
approach, the presence of the polarized $q\bar{q}$ pairs (or the meson cloud,
in other word... | 1207.3311v2 |
2012-10-01 | Resonant addressing and manipulation of silicon vacancy qubits in silicon carbide | Several systems in the solid state have been suggested as promising
candidates for spin-based quantum information processing. In spite of
significant progress during the last decade, there is a search for new systems
with higher potential [D. DiVincenzo, Nature Mat. 9, 468 (2010)]. We report
that silicon vacancy defect... | 1210.0505v1 |
2012-11-26 | Complex Orbital State Stabilized by Strong Spin-Orbit Coupling in a Metallic Iridium Oxide IrO$_{2}$ | Resonant x-ray diffraction experiments were performed for the metallic
iridium oxide IrO$_{2}$. We observed anisotropic tensor of susceptibility (ATS)
scattering, the spectrum of which shows a sharp contrast between the $L_{3}$
and $L_{2}$ edges. At the $L_{3}$ edge, resonance excitations were clearly
observed from the... | 1211.5855v1 |
2013-02-04 | Magnetic order and low-energy excitations in the quasi-one-dimensional antiferromagnet CuSe$_2$O$_5$ with staggered fields | Ground state and low-energy excitations of the quasi-one-dimensional
antiferromagnet CuSe$_2$O$_5$ were experimentally studied using bulk
magnetization, neutron diffraction, muon spin relaxation and antiferromagnetic
resonance measurements. Finite interchain interactions promote long-range
antiferromagnetic order below... | 1302.0719v2 |
2013-03-09 | Radio-frequency spectroscopy of a strongly interacting spin-orbit coupled Fermi gas | We investigate experimentally and theoretically radio-frequency spectroscopy
and pairing of a spin-orbit-coupled Fermi gas of $^{40}$K atoms near a Feshbach
resonance at $B_{0}=202.2$ G. Experimentally, the integrated spectroscopy is
measured, showing characteristic blue and red shifts in the atomic and
molecular respo... | 1303.2212v1 |
2013-05-08 | Higgs Spin Determination in the WW channel and beyond | After the discovery of the 126 GeV resonance at the LHC, the determination of
its features, including its spin, is a very important ongoing task. In order to
distinguish the two most likely spin hypotheses, spin-0 or spin-2, we study the
phenomenology of a light Higgs-like spin-2 resonance produced in different
gluon-f... | 1305.1883v1 |
2013-05-19 | Transition-metal distribution in kagome antiferromagnet CoCu3(OH)6Cl2 revealed by resonant x-ray diffraction | The distribution of chemically similar transition-metal ions is a fundamental
issue in the study of herbertsmithite-type kagome antiferromagnets. Using
synchrotron radiation, we have performed resonant powder x-ray diffractions on
newly synthesized CoCu3(OH)6Cl2, which provide an exact distribution of
transition-metal ... | 1305.4356v1 |
2014-04-14 | Neutron Resonance Spin Flippers: Static Coils Manufactured by Electrical Discharge Machining | Radiofrequency spin flippers (RFSF) are key elements of Neutron Resonance
Spin Echo (NRSE) spectrometers, which allow performing controlled manipulations
of the beam polarization. We report on the design and test of a new type of
RFSF which originality lies in the new manufacturing technique for the static
coil. The la... | 1404.3613v2 |
2014-07-09 | Double-finger-gate controlled spin-resolved resonant quantum transport in the presence of a Rashba-Zeeman gap | We investigate double finger gate (DFG) controlled spin-resolved resonant
transport properties in an n-type quantum channel with a Rashba-Zeeman (RZ)
subband energy gap. By appropriately tuning the DFG in the strong Rashba
coupling regime, resonant state structures in conductance can be found that is
sensitive to the l... | 1407.2369v2 |
2014-11-12 | Quantum magnetism and topological ordering via enhanced Rydberg-dressing near Förster-resonances | We devise a cold-atom approach to realizing a broad range of bi-linear
quantum magnets. Our scheme is based on off-resonant single-photon excitation
of Rydberg $P$-states (Rydberg-dressing), whose strong interactions are shown
to yield controllable XYZ-interactions between effective spins, represented by
different atom... | 1411.3118v2 |
2015-02-25 | All-optical thermometry and the thermal properties of the optically detected spin resonances of the NV center in nano-diamond | The negatively-charged nitrogen-vacancy (NV) center in diamond is at the
frontier of quantum nano-metrology and bio-sensing. Recent attention has
focused on the application of high-sensitivity thermometry using the spin
resonances of NV centers in nano-diamond to sub-cellular biological and
biomedical research. Here, w... | 1502.07035v1 |
2015-04-09 | Low-field microwave absorption and magnetoresistance in iron nanostructures grown by electrodeposition on n-type lightly-doped silicon substrates | In this study we investigate magnetic properties, surface morphology and
crystal structure in iron nanoclusters electrodeposited on lightly-doped (100)
n-type silicon substrates. Our goal is to investigate the spin injection and
detection in the Fe/Si lateral structures. The samples obtained under electric
percolation ... | 1504.02508v1 |
2015-06-09 | Spin dynamics in a Curie-switch | Ferromagnetic resonance properties of F$_1$/f/F$_2$/AF multilayers, where
weakly ferromagnetic spacer f is sandwiched between strongly ferromagnetic
layers F$_1$ and F$_2$, with F$_1$ being magnetically soft and F$_2$ -
magnetically hard due to exchange pinning to antiferromagnetic layer AF, are
investigated. Spacer-me... | 1506.02928v1 |
2015-07-14 | High cooperativity coupling between a phosphorus donor spin ensemble and a superconducting microwave resonator | We investigate the coupling of an ensemble of phosphorus donors in an
isotopically purified $^{28}$Si host lattice interacting with a superconducting
coplanar waveguide resonator. The microwave transmission spectrum of the
resonator shows a normal mode splitting characteristic for high cooperativity.
The evaluated coll... | 1507.03739v2 |
2015-09-04 | Collective spin resonance excitation in the gapped itinerant multipole hidden order phase of URu2Si2 | An attractive proposal for the hidden order (HO) in the heavy electron
compound URu2Si2 is an itinerant multipole order of high rank. It is due to the
pairing of electrons and holes centered on zone center and boundary,
respectively in states that have maximally different total angular momentum
components. Due to the p... | 1509.01458v1 |
2015-12-11 | Proposal for Quantum Sensing Based on Two-Dimensional Dynamical Decoupling: NMR Correlation Spectroscopy of Single Molecules | Nuclear magnetic resonance (NMR) has enormous applications. Two-dimensional
NMR is an essential technique to characterize correlations between nuclei and,
hence, molecule structures. Towards the ultimate goal of single-molecule NMR,
dynamical-decoupling- (DD) enhanced diamond quantum sensing enables the
detection of si... | 1512.03548v3 |
2016-02-04 | High density NV sensing surface created via He^(+) ion implantation of (12)^C diamond | We present a promising method for creating high-density ensembles of
nitrogen-vacancy centers with narrow spin-resonances for high-sensitivity
magnetic imaging. Practically, narrow spin-resonance linewidths substantially
reduce the optical and RF power requirements for ensemble-based sensing. The
method combines isotop... | 1602.01534v1 |
2016-02-26 | On a possibility of a consistent interpretation of diboson excesses at LHC | Recently reported diboson and diphoton excesses at LHC are interpreted to be
connected with heavy $WW$ zero spin resonances. The resonances appears due to
the wouldbe anomalous triple interaction of the weak bosons, which is defined
by well-known coupling constant $\lambda$. The $2\, TeV$ anomaly tentatively
correspond... | 1602.08293v2 |
2016-04-06 | Towards achieving strong coupling in 3D-cavity with solid state spin resonance | We investigate the microwave magnetic field confinement in several microwave
3D-cavities, using 3D finite-element analysis to determine the best design and
achieve strong coupling between microwave resonant cavity photons and solid
state spins. Specifically, we design cavities for achieving strong coupling of
electroma... | 1604.01516v1 |
2016-05-15 | Fokker-Planck formalism in magnetic resonance simulations | This paper presents an overview of the Fokker-Planck formalism for
non-biological magnetic resonance simulations, describes its existing
applications and proposes some novel ones. The most attractive feature of
Fokker-Planck theory compared to the commonly used Liouville - von Neumann
equation is that, for all relevant... | 1605.05243v2 |
2016-09-05 | Proposal for detection of a single electron spin in a microwave resonator | We propose a method for detecting the presence of a single spin in a crystal
by coupling it to a high-quality factor superconducting planar resonator. By
confining the microwave field in a constriction of nanometric dimensions, the
coupling constant can be as high as $5-10$\,kHz. This coupling affects the
amplitude of ... | 1609.01132v2 |
2017-12-13 | Experimental demonstration of two-photon magnetic resonances in a single-spin-system of a solid | While the manipulation of quantum systems is significantly developed so far,
achieving a single-source multi-use system for quantum-information processing
and networks is still challenging. A virtual state, a so-called ``dressed
state," is a potential host for quantum hybridizations of quantum physical
systems with var... | 1712.04615v3 |
2018-09-28 | All-Optical Spin Locking in Alkali-Vapor Magnetometers | The nonlinear Zeeman effect can induce splittings and asymmetries of
magnetic-resonance lines in the geophysical magnetic-field range. We
demonstrate a scheme to suppress the nonlinear Zeeman effect all optically
based on spin locking. Spin locking is achieved with an effective oscillating
magnetic field provided by th... | 1809.10906v1 |
2017-05-25 | Suppression of 1/f noise in solid state quantum devices by surface spin desorption | Noise and decoherence due to spurious two-level systems (TLS) located at
material interfaces is a long-standing issue in solid state quantum
technologies. Efforts to mitigate the effects of TLS have been hampered by a
lack of surface analysis tools sensitive enough to identify their chemical and
physical nature. Here w... | 1705.09158v1 |
2018-07-22 | Quantitative nanoscale MRI with a wide field of view | Magnetic spin resonance is a key non-invasive sensing and imaging technique
across the life-, material- and fundamental sciences with further medical and
commercial applications. Recent advances using paramagnetic color centers
enable magnetic resonance down on the nanoscale, and sensitivity to single
molecules is in s... | 1807.08343v1 |
2016-03-02 | Electric-Field-Induced Spin Resonance in Antiferromagnetic Insulators: Inverse Process of the Dynamical Chiral Magnetic Effect | We propose a realization of the electric-field-induced antiferromagnetic
resonance. We consider three-dimensional antiferromagnetic insulators with
spin-orbit coupling characterized by the existence of a topological term called
the $\theta$ term. By solving the Landau-Lifshitz-Gilbert equation in the
presence of the $\... | 1603.00614v3 |
2016-12-21 | Augury of Darkness: The Low-Mass Dark Z' Portal | Dirac fermion dark matter models with heavy $Z^{\prime}$ mediators are
subject to stringent constraints from spin-independent direct searches and from
LHC bounds, cornering them to live near the $Z^{\prime}$ resonance. Such
constraints can be relaxed, however, by turning off the vector coupling to
Standard Model fermio... | 1612.07282v2 |
2017-10-09 | Photoassociation spectroscopy of ultracold $^{173}$Yb atoms near the intercombination line | We report on photoassociation (PA) spectroscopy of a degenerate Fermi gas of
$^{173}$Yb atoms near the dissociation limit of the spin-forbidden
${^1}S_0-{^3}P_1$ intercombination transition. An atom-loss spectrum is
measured from a trapped sample for a spectral range down to $-1$~GHz with
respect to the $f=5/2 \rightar... | 1710.03072v1 |
2020-09-20 | Floquet dynamical phase transition and entanglement spectrum | We explore both pure and mixed states Floquet dynamical quantum phase
transitions (FDQFTs) in the one-dimensional p-wave superconductor with a
time-driven pairing phase. In the Fourier space, the model is recast to the
non-interacting quasi-spins subjected to a time-dependent effective magnetic
field. We show that FDQF... | 2009.09484v2 |
2021-04-09 | Identification of silicon vacancy-related electron paramagnetic resonance centers in 4H SiC | The negatively charged silicon vacancy [V$_\text{Si}(-)$] in silicon carbide
(SiC) is a paramagnetic and optically active defect in hexagonal SiC.
V$_\text{Si}(-)$ defect possesses $S = 3/2$ spin with long spin coherence time
and can be optically manipulated even at room temperature. Recently, electron
spin resonance s... | 2104.04292v1 |
2019-01-29 | Low-impedance superconducting microwave resonators for strong coupling to small magnetic mode volumes | Recent experiments on strongly coupled microwave and ferromagnetic resonance
modes have focused on large volume bulk crystals such as yttrium iron garnet,
typically of millimeter-scale dimensions. We extend these experiments to lower
volumes of magnetic material by exploiting low-impedance lumped-element
microwave reso... | 1901.10395v1 |
2019-08-14 | Spin State Dynamics in a Bichromatic Microwave Field: Role of Bright and Dark States in coupling with Reservoir | Driving an open spin system by two strong, nearly degenerate fields enables
addressing populations of individual spin states, characterisation of their
interaction with thermal bath, and measurements of their relaxation/decoherence
rates. With such addressing we observe nested magnetic resonances having
nontrivial depe... | 1908.05205v2 |
2020-07-07 | Current Fluctuations Driven by Ferromagnetic and Antiferromagnetic Resonance | We consider electron transport in ferromagnets or antiferromagnets sandwiched
between metals. When spins in the magnetic materials precess, they emit
currents into the surrounding conductors. Generally, adiabatic pumping in
mesoscopic systems also enhances current fluctuations. We generalize the
description of current ... | 2007.03257v2 |
2021-01-22 | Opportunities for long-range magnon-mediated entanglement of spin qubits via on- and off-resonant coupling | The ability to manipulate entanglement between multiple spatially-separated
qubits is essential for quantum information processing. Although
nitrogen-vacancy (NV) centers in diamond provide a promising qubit platform,
developing scalable two-qubit gates remains a well-known challenge. To this
end, magnon-mediated entan... | 2101.09220v2 |
2022-04-23 | Theory of inertial spin dynamics in anisotropic ferromagnets | Recent experimental observation of inertial spin dynamics calls upon holistic
reevaluation of the theoretical framework of magnetic resonance in
ferromagnets. Here, we derive the secular equation of an inertial spin system
in analogy to the ubiquitous Smit-Beljers formalism. We find that the frequency
of precessional f... | 2204.11057v2 |
2022-05-23 | Metastable discrete time-crystal resonances in a dissipative central spin system | We consider the non-equilibrium behavior of a central spin system where the
central spin is periodically reset to its ground state. The quantum mechanical
evolution under this effectively dissipative dynamics is described by a
discrete-time quantum map. Despite its simplicity this problem shows
surprisingly complex dyn... | 2205.11263v1 |
2022-07-22 | A Digital Alkali Spin Maser | Self-oscillating atomic magnetometers, in which the precession of atomic
spins in a magnetic field is driven by resonant modulation, offer high
sensitivity and dynamic range. Phase-coherent feedback from the detected signal
to the applied modulation creates a resonant spin maser system, highly
responsive to changes in ... | 2207.11009v1 |
2022-12-27 | Spin resonance induced by a mechanical rotation of a polariton condensate | We study theoretically the polarization dynamics in a ring-shape bosonic
condensate of exciton-polaritons confined in a rotating trap. The interplay
between the rotating potential and TE-TM splitting of polariton modes offers a
tool of control over the spin state and the angular momentum of the condensate.
Specific sel... | 2212.13478v1 |
2023-05-31 | The Ferris ferromagnetic resonance technique: principles and applications | Measurements of ferromagnetic resonance (FMR) are pivotal to modern magnetism
and spintronics. Recently, we reported on the Ferris FMR technique, which
relies on large-amplitude modulation of the externally applied magnetic field.
It was shown to benefit from high sensitivity while being broadband. The Ferris
FMR also ... | 2306.01783v1 |
2023-08-18 | QPOs in compact sources as a non-linear hydrodynamical resonance: Determining spin of compact objects | Origin of wide varieties of quasi-periodic oscillation (QPO) observed in
compact sources is still not well established. Its frequencies range from mHz
to kHz spanning all compact objects. Are different QPOs, with different
frequencies, originating from different Physics? We propose that the emergence
of QPOs is the res... | 2308.09759v1 |
2023-09-08 | Microscopic analysis of dipole electric and magnetic strengths in $^{156}$Gd | The dipole electric ($E1$) and magnetic ($M1$) strengths in strongly deformed
$^{156}$Gd are investigated within a fully self-consistent Quasiparticle Random
Phase Approximation (QRPA) with Skyrme forces SVbas, SLy6 and SG2. We inspect,
on the same theoretical footing, low-lying dipole states and the isovector
giant di... | 2309.04294v2 |
2010-07-23 | Intrinsic selection biases of ground-based gravitational wave searches for high-mass BH-BH mergers | The next generation of ground-based gravitational wave detectors may detect a
few mergers of comparable-mass M\simeq 100-1000 Msun ("intermediate-mass'', or
IMBH) spinning black holes. Black hole spin is known to have a significant
impact on the orbit, merger signal, and post-merger ringdown of any binary with
non-negl... | 1007.4213v2 |
2013-07-06 | Accuracy of gravitational waveform models for observing neutron-star--black-hole binaries in Advanced LIGO | Gravitational waves radiated by the coalescence of compact-object binaries
containing a neutron star and a black hole are one of the most interesting
sources for the ground-based gravitational-wave observatories Advanced LIGO and
Advanced Virgo. Advanced LIGO will be sensitive to the inspiral of a $1.4\,
M_\odot$ neutr... | 1307.1757v2 |
2018-11-14 | Anisotropic-Exchange Magnets on a Triangular Lattice: Spin Waves, Accidental Degeneracies, and Dual Spin Liquids | We present an extensive overview of the phase diagram, spin-wave excitations,
and finite-temperature transitions of the anisotropic-exchange magnets on an
ideal nearest-neighbor triangular lattice. We investigate transitions between
five principal classical phases of the corresponding model: ferromagnetic,
N\'{e}el, it... | 1811.05983v4 |
2023-08-09 | Competing itinerant and local spin interactions in kagome metal FeGe | Two-dimensional kagome metals consisting of corner-sharing triangles offer a
unique platform for studying strong electron correlations and band topology due
to its geometrically frustrated lattice structure. The similar energy scales
between spin, lattice, and electronic degrees of freedom in these systems give
rise to... | 2308.04815v1 |
2009-06-25 | Intermediate-statistics spin waves | In this paper, we show that spin waves, the elementary excitation of the
Heisenberg magnetic system, obey a kind of intermediate statistics with a
finite maximum occupation number n. We construct an operator realization for
the intermediate statistics obeyed by magnons, the quantized spin waves, and
then construct a co... | 0906.4818v1 |
2013-03-29 | Next-to-next-to-leading order spin-orbit effects in the gravitational wave flux and orbital phasing of compact binaries | We compute the next-to-next-to-leading order spin-orbit contributions in the
total energy flux emitted in gravitational waves by compact binary systems.
Such contributions correspond to the post-Newtonian order 3.5PN for maximally
spinning compact objects. Continuing our recent work on the
next-to-next-to-leading spin-... | 1303.7412v2 |
2013-08-01 | Magnetostatic wave analog of integer quantum Hall state in patterned magnetic films | A magnetostatic spin wave analog of integer quantum Hall (IQH) state is
proposed in realistic patterned ferromagnetic thin films. Due to magnetic shape
anisotropy, magnetic moments in a thin film lie within the plane, while all
spin-wave excitations are fully gapped. Under an out-of-plane magnetic field,
the film acqui... | 1308.0199v3 |
2018-07-06 | Spin wave modes in a cylindrical nanowire in crossover dipolar-exchange regime | Nanoscale magnetic systems have been studied extensively in various
geometries, such as wires of different cross-sections, arrays of wires, dots,
rings, etc. Such systems have interesting physical properties and promising
applications in advanced magnetic devices. Uniform magnetic nanowires are the
basic structures whi... | 1807.02580v3 |
2018-10-15 | Multiplexed spin-wave-photon entanglement source using temporal-multimode memories and feedforward-controlled readout | The sources, which generate atom-photon quantum correlations or entanglement
based on quantum memory, are basic blocks for building quantum repeaters (QRs).
For achieving highly entanglement-generation rates in ensemble-based QRs,
spatial-, temporal- and spectral-multimode memories are needed. The previous
temporal-mul... | 1810.06143v2 |
2019-03-02 | Excitation of unidirectional exchange spin waves by a nanoscale magnetic grating | Magnon spintronics is a prosperous field that promises beyond-CMOS technology
based on elementary excitations of the magnetic order that act as information
carriers for future computational architectures. Unidirectional propagation of
spin waves is key to the realization of magnonic logic devices. However,
previous eff... | 1903.00638v1 |
2020-03-06 | Quantum-router: Storing and redirecting light at the photon level | We propose a method for spatially re-routing single photons or light in a
coherent state with small average photon number by purely electronic means,
i.e. without using mechanical devices such as micro-mirror arrays. The method
is based on mapping the quantum state of the incoming light onto a spin-wave in
an atomic en... | 2003.03363v3 |
2020-03-17 | Electrical generation and detection of terahertz signal based on spin-wave emission from ferrimagnets | Terahertz (THz) signals, mainly generated by photonic or electronic
approaches, are being sought for various applications, whereas the development
of magnetic source might be a necessary step to harness the magnetic nature of
electromagnetic radiation. We show that the relativistic effect on the
current-driven domain-w... | 2003.07750v1 |
2020-11-23 | Fanout of 2 Triangle Shape Spin Wave Logic Gates | Having multi-output logic gates saves much energy because the same structure
can be used to feed multiple inputs of next stage gates simultaneously. This
paper proposes novel triangle shape fanout of 2 spin wave Majority and XOR
gates; the Majority gate is achieved by phase detection, whereas the XOR gate
is achieved b... | 2011.11324v5 |
2019-01-27 | Observation of angle-dependent mode conversion and mode hopping in 2D annular antidot lattice | We report spin-wave excitations in annular antidot lattice fabricated from 15
nm-thin Ni80Fe20 flm. The nanodots of 170 nm diameters are embedded in the 350
nm (diameter) antidot lattice to form the annular antidot lattice, which is
arranged in a square lattice with edge-to-edge separation of 120 nm. A strong
anisotrop... | 1901.09324v2 |
2019-07-25 | Excitation and propagation of spin waves in non-uniformly magnetized waveguides | The characteristics of spin waves in ferromagnetic waveguides with nonuniform
magnetization have been investigated for situations where the shape anisotropy
field of the waveguide is comparable to the external bias field. Spin-wave
generation was realized by the magnetoelastic effect by applying normal and
shear strain... | 1907.11145v3 |
2020-10-27 | Gravitational waves from mountains in newly born millisecond magnetars | In this paper we study the spin-evolution and gravitational-wave luminosity
of a newly born millisecond magnetar, formed either after the collapse of a
massive star or after the merger of two neutron stars. In both cases we
consider the effect of fallback accretion, and consider the evolution of the
system due to the d... | 2010.15574v2 |
2021-12-25 | Spin-wave-driven skyrmion dynamics in ferrimagnets: Effect of net angular momentum | Searching for low-power-consuming and high-efficient methods for well
controllable driving of skyrmion motion is one of the most concerned issues for
future spintronic applications, raising high concern with an appreciated choice
of magnetic media and driving scenario. In this work, we propose a novel
scenario of spin ... | 2112.13232v2 |
2021-12-27 | Variational Approach to Quantum Spin Liquid in a Rydberg Atom Simulator | Recently the Rydberg blockade effect has been utilized to realize quantum
spin liquid on the kagome lattice. Evidence of quantum spin liquid has been
obtained experimentally by directly measuring non-local string order. In this
letter, we report a BCS-type variational wave function study of the spin liquid
state in thi... | 2112.13688v3 |
2022-04-12 | Generation of highly retrievable atom photon entanglement with a millisecond lifetime via a spatially multiplexed cavity | Qubit memory that is entangled with photonic qubit is the building block for
long distance quantum repeaters. Cavity enhanced and long lived spin wave
photon entanglement has been demonstrated by applying dual laser beams onto
optical-lattice atoms. However, owing to cross readouts by two beams, retrieval
efficiency of... | 2204.05794v2 |
2022-12-05 | Propagating spin-wave spectroscopy in nanometer-thick YIG films at millikelvin temperatures | Performing propagating spin-wave spectroscopy of thin films at millikelvin
temperatures is the next step towards the realisation of large-scale integrated
magnonic circuits for quantum applications. Here we demonstrate spin-wave
propagation in a $100\,\mathrm{nm}$-thick yttrium-iron-garnet film at the
temperatures down... | 2212.02257v3 |
2023-05-06 | Thermal features of Heisenberg antiferromagnets on edge- versus corner-sharing triangular-based lattices: A message from spin waves | We construct modified spin-wave thermodynamics for frustrated noncollinear
antiferromagnets for the first time. The well-known modified spin-wave theory
for collinear antiferromagnets diagonalizes a bosonic Hamiltonian subject to
the constraint that the total staggered magnetization be zero. Applying this
scheme as it ... | 2305.03958v1 |
2024-01-19 | Exploration of magnon-magnon coupling in an antidot lattice: The role of non-uniform magnetization texture | We numerically study the spin wave dynamics in an antidot lattice based on a
Co/Pd multilayer structure with reduced perpendicular magnetic anisotropy at
the edges of the antidots. This structure forms a magnonic crystal with a
periodic antidot pattern and a periodic magnetization configuration consisting
of out-of-pla... | 2401.10540v2 |
2024-02-05 | Understanding voltage-controlled magnetic anisotropy effect for the manipulation of dipolar-dominated propagating spin waves | Spin waves, known for their ability to propagate without the involvement of
moving charges, hold immense promise for on-chip information transfer and
processing, offering a path toward post-CMOS computing technologies. This study
investigates the potential synergy between propagating Damon-Eshbach spin waves
and voltag... | 2402.03033v1 |
2016-08-26 | Non-collinear antiferromagnetism of coupled spins and pseudospins in the double perovskite La2CuIrO6 | We report the structural, magnetic and thermodynamic properties of the double
perovskite compound La2CuIrO6 from X-ray, neutron diffraction, neutron
depolarization, dc magnetization, ac susceptibility, specific heat,
muon-spin-relaxation (uSR), electron-spin-resonance (ESR) and nuclear magnetic
resonance (NMR) measurem... | 1608.07513v2 |
2001-09-25 | Single Spin Dynamics and Decoherence in a Quantum Dot via Charge Transport | We investigate the spin dynamics of a quantum dot with a spin-1/2 ground
state in the Coulomb blockade regime and in the presence of a magnetic rf field
leading to electron spin resonances (ESR). We show that by coupling the dot to
leads, spin properties on the dot can be accessed via the charge current in the
stationa... | 0109470v1 |
2017-11-21 | Determination of spin Hall effect and spin diffusion length of Pt from self-consistent fitting of damping enhancement and inverse spin-orbit torque measurements | Understanding the evolution of spin-orbit torque (SOT) with increasing
heavy-metal thickness in ferromagnet/normal metal (FM/NM) bilayers is critical
for the development of magnetic memory based on SOT. However, several
experiments have revealed an apparent discrepancy between damping enhancement
and damping-like SOT r... | 1711.07654v2 |
2013-02-10 | An instability due to the nonlinear coupling of p-modes to g-modes: Implications for coalescing neutron star binaries | A weakly nonlinear fluid wave propagating within a star can be unstable to
three-wave interactions. The resonant parametric instability is a well-known
form of three-wave interaction in which a primary wave of frequency $\omega_a$
excites a pair of secondary waves of frequency $\omega_b+\omega_c \simeq
\omega_a$. Here ... | 1302.2292v2 |
2021-06-06 | Resonant and near-resonant internal wave triads for non-uniform stratifications. Part 2: Vertically bounded domain with mild-slope bathymetry | Weakly nonlinear internal wave-wave interaction is a key mechanism that
cascades energy from large to small scales, leading to ocean turbulence and
mixing. Oceans typically have a non-uniform density stratification profile;
moreover, submarine topography leads to a spatially varying ocean depth ($h$).
Under these condi... | 2106.03198v3 |
2024-01-24 | Spin Seebeck Effect as a Probe for Majorana Fermions in Kitaev Spin Liquids | Quantum entanglement in strongly correlated electron systems often leads to
exotic elementary excitations. Quantum spin liquids (QSLs) provide a
paradigmatic example, where the elementary excitations are described by
fractional quasiparticles such as spinons. However, such fractional
quasiparticles behave differently f... | 2401.13175v1 |
2008-09-02 | Wave packet dynamics in a monolayer graphene | The dynamics of charge particles described by Gaussian wave packet in
monolayer graphene is studied analytically and numerically. We demonstrate that
the shape of wave packet at arbitrary time depends on correlation between the
initial electron amplitudes $\psi_1(\vec r,0)$ and $\psi_2(\vec r,0)$ on the
sublattices $A$... | 0809.0367v2 |
2012-04-04 | Similar zone-center gaps in the low-energy spin-wave spectra of NaFeAs and BaFe2As2 | We report results of inelastic-neutron-scattering measurements of low-energy
spin-wave excitations in two structurally distinct families of iron-pnictide
parent compounds: Na(1-{\delta})FeAs and BaFe2As2. Despite their very different
values of the ordered magnetic moment and N\'eel temperatures, T_N, in the
antiferroma... | 1204.0875v2 |
2013-04-25 | Statistical and systematic errors for gravitational-wave inspiral signals: A principal component analysis | Identifying the source parameters from a gravitational-wave measurement alone
is limited by our ability to discriminate signals from different sources and
the accuracy of the waveform family employed in the search. Here we address
both issues in the framework of an adapted coordinate system that allows for
linear Fishe... | 1304.7017v2 |
2016-09-07 | Magnonic Interferometric Switch for Multi-Valued Logic Circuits | We investigated a possible use of the magnonic interferometric switches in
multi-valued logic circuits. The switch is a three-terminal device consisting
of two spin channels where input, control, and output signals are spin waves.
Signal modulation is achieved via the interference between the source and gate
spin waves... | 1609.02217v1 |
2018-06-09 | Mapping out the spin-wave modes of constriction-based spin Hall nano-oscillators in weak in-plane fields | We experimentally study the auto-oscillating spin-wave modes in
NiFe/$\beta-$W constriction-based spin Hall nano-oscillators as a function of
bias current, in-plane applied field strength, and azimuthal field angle, in
the low-field range of 40-80 mT. We observe two different spin-wave modes: i) a
linear-like mode conf... | 1806.03473v1 |
2018-12-17 | Spin-adapted selected configuration interaction in a determinant basis | Selected configuration interaction (SCI) methods, when complemented with a
second-order perturbative correction, provide near full configuration
interaction (FCI) quality energies with only a small fraction of the Slater
determinants of the FCI space. However, a selection criterion based on
determinants alone does not ... | 1812.06902v3 |
2019-01-26 | All optical detection of picosecond spin-wave dynamics in two-dimensional annular antidot lattice | Novel magnetic structures with precisely controlled dimensions and shapes at
the nanoscale have potential applications in spin logic, spintronics and other
spin-based communication devices. We report the fabrication of two-dimensional
bi-structure magnonic crystal in the form of embedded nanodots in a periodic
Ni80Fe20... | 1901.09152v1 |
2020-07-13 | Spin Wave Generation via Localized Spin-Orbit Torque in an Antiferromagnet-Topological Insulator Heterostructure | The spin-orbit torque induced by a topological insulator (TI) is
theoretically examined for spin wave generation in a neighboring
antiferromagnetic thin film. The investigation is based on the micromagnetic
simulation of N\'{e}el vector dynamics and the analysis of transport properties
in the TI. The results clearly il... | 2007.06663v1 |
2022-03-31 | Gravitational Waves in Einstein-Cartan Theory: On the Effects of Dark Matter Spin Tensor | This article studies the effects of an arbitrary dark matter spin tensor on
the propagation of gravitational wave amplitude in the context of
Einstein-Cartan theory. We choose to work with an arbitrary spin tensor
because, given our ignorance of the nature of dark matter, it is sensible not
to make further hypotheses o... | 2204.00090v2 |
2022-04-26 | Frustrated Antiferromagnetic Triangular Lattice with Dzyaloshinskii-Moriya Interaction: Ground States, Spin Waves, Skyrmion Crystal, Phase Transition | We study in this article a triangular lattice with Heisenberg spins
interacting with each other via an antiferromagnetic exchange interaction $J$
and a Dzyaloshinskii-Moriya (DM) interaction $D$, between nearest-neighbors
(NN). We consider two cases: the first case in which the DM vector $\mathbf D$
is perpendicular to... | 2204.12248v2 |
2022-09-06 | Dynamic coupling and spin-wave dispersions in a magnetic hybrid system made of an artificial spin-ice structure and an extended NiFe underlayer | We present a combined experimental and numerical study of the spin-wave
dispersion in NiFe artificial spin-ice (ASI) system consisting of an array of
stadium-shaped nanoislands deposited on the top of a continuous NiFe film with
nonmagnetic spacer layers of varying thickness. The spin-wave dispersion,
measured by wavev... | 2209.02783v1 |
2022-11-30 | Stark control of solid-state quantum memory with spin-wave storage | Quantum memories for quantum communication need to be able to store photons
for an extended time and then to release them on demand. This can be achieved
in atomic frequency comb ensemble based quantum memories by control pulses that
transfer the excitation to and from long-lived spin states. However, such
pulses can g... | 2211.17206v1 |
2023-02-01 | A Brillouin light scattering study of the spin-wave magnetic field dependence in a magnetic hybrid system made of an artificial spin-ice structure and a film underlayer | We present a combined Brillouin light scattering and micromagnetic simulation
investigation of the magnetic-field dependent spin-wave spectra in a hybrid
structure made of permalloy (NiFe) artificial spin-ice (ASI) systems, composed
of stadium-shaped nanoislands, deposited on the top of an unpatterned permalloy
film wi... | 2302.00483v1 |
2023-11-12 | A 50-spin surface acoustic wave Ising machine | Time-multiplexed Spinwave Ising Machines (SWIMs) have unveiled a route
towards miniaturized, low-cost, and low-power solvers of combinatorial
optimization problems. While the number of supported spins is limited by the
nonlinearity of the spinwave dispersion, other collective excitations, such as
surface acoustic waves... | 2311.06830v1 |
1997-06-24 | Is the ground state of alpha-(BEDT-TTF)2MHg(SCN)4[M=K,Rb,Tl] a charge-density wave or a spin-density wave? | The nature of the low-temperature phase of the quasi-two-dimensional
conductors $\alpha-(BEDT-TTF)_2{M}Hg(SCN)_4$[{M}=K,Rb,Tl] is considered. It is
argued that the magnetic field dependence of the phase diagram is more
consistent with a charge-density wave, rather than a spin-density wave ground
state. The phase diagra... | 9706235v2 |
2003-11-20 | Quantum Wave Resistance of Schrodinger functions | The new concept of quantum wave-impedance (QWI), Z is introduced to answer
the question whether there is impedance to a Schrodinger wave. Z will be an
analogue of Maxwell's free space impedance (376.7 ohm) for electromagnetic
waves. We show, for free particle wave function, the value of Z is in general
not zero and pur... | 0311479v1 |
2007-01-02 | Quasi-One-Dimensional Spin-Density-Wave States with Two Kinds of Periodic Potentials and a Interchain Misfit | Spin density wave (SDW) states of a quasi-one-dimensional system with an
incommensurate wave vector perpendicular to the chain have been studied in the
presence of two kinds of commensurate potentials, which originate in a
quarter-filled band and dimerization along the chain. In terms of a phase
variable of the SDW ord... | 0701038v1 |
1997-02-21 | Time dependent partial waves and vortex rings in the dynamics of wave packets | We have found a new class of time dependent partial waves which are solutions
of time dependent Schr\"odinger equation for three dimensional harmonic
oscillator. We also showed the decomposition of coherent states of harmonic
oscillator into these partial waves. This decomposition appears perticularly
convenient for a ... | 9702043v1 |
2009-12-09 | Formation of Random Dark Envelope Solitons from Incoherent Waves | This letter reports experimental results on a new type of soliton: the random
temporal dark soliton. One excites an incoherent large-amplitude propagating
spin-wave packet in a ferromagnetic film strip with a repulsive, instantaneous
nonlinearity. One then observes the random formation of dark solitons from this
wave p... | 0912.1833v1 |
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