publicationDate stringlengths 1 2.79k | title stringlengths 1 36.5k ⌀ | abstract stringlengths 1 37.3k ⌀ | id stringlengths 9 47 |
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2016-10-21 | Electromotive forces generated in 3d-transition ferromagnetic metal films themselves under their ferromagnetic resonance | We report the electromotive force (EMF) properties generated in 3d-transition
ferromagnetic metal (FM = Fe, Co, and Ni80Fe20) films themselves under their
ferromagnetic resonance (FMR). For Fe and Co films, the EMF due to the
anomalous-Hall effect is dominantly generated under their FMR. Meanwhile, for a
Ni80Fe20 film,... | 1610.06695v2 |
2016-12-19 | Thickness dependence study of current-driven ferromagnetic resonance in Y3Fe5O12/heavy metal bilayers | We use ferromagnetic resonance to study the current-induced torques in
YIG/heavy metal bilayers. YIG samples with thickness varying from 14.8 nm to 80
nm, with Pt or Ta thin film on top, are measured by applying a microwave
current into the heavy metals and measuring the longitudinal DC voltage
generated by both spin r... | 1612.06111v1 |
2017-02-10 | Quasi-continuous variable quantum computation with collective spins in multi-path interferometers | Collective spins of large atomic samples trapped inside optical resonators
can carry quantum information that can be processed in a way similar to quantum
computation with continuous variables. It is shown here that by combining the
resonators in multi-path interferometers one can realize coupling between
different sam... | 1702.03124v2 |
2017-10-11 | Ultra-cold Collisions between Spin-Orbit-Coupled Dipoles: General Formalism and Universality | A theoretical study of the low-energy scattering properties of two aligned
identical bosonic and fermionic dipoles in the presence of isotropic spin-orbit
coupling (SOC) is presented. A general treatment of particles with arbitrary
(pseudo-) spin is given in the framework of multi-channel scattering. At
ultracold tempe... | 1710.03901v2 |
2016-11-27 | Probing Electron Spin Resonance in Monolayer Graphene | The precise value of the $g$-factor in graphene is of fundamental interest
for all spin-related properties and their application. We investigate monolayer
graphene on a Si/SiO2 substrate by resistively detected electron spin resonance
(ESR). Surprisingly, the magnetic moment and corresponding g-factor of
1.952+/-0.002 ... | 1611.08782v1 |
2020-05-19 | Instability in the Hartmann--Hahn double resonance | The Hartmann-Hahn technique allows sensitivity enhancement of magnetic
resonance imaging and spectroscopy by coupling the spins under study to another
spin species that is externally driven. Here we theoretically study the coupled
spins' dynamics, and find that for a certain region of driving parameters the
system beco... | 2005.09298v3 |
2021-03-16 | Optically detected flip-flops between different spin ensembles in diamond | We employ the technique of optical detection of magnetic resonance to study
dipolar interaction in diamond between nitrogen-vacancy color centers of
different crystallographic orientations and substitutional nitrogen defects. We
demonstrate optical measurements of resonant spin flips-flips (second Larmor
line), and fli... | 2103.08994v1 |
2022-02-01 | Nuclear matrix elements for neutrinoless double beta decays and spin-dipole giant resonances | Nuclear matrix elements (NMEs) for neutrinoless double beta decays (DBDs) are
required for studying neutrino physics beyond the standard model by DBD. The
experimental spin-dipole (SD) giant resonance energy and the SD strength are
shown for the first time to be closely related to the DBD-NME, and are used for
studying... | 2202.00361v2 |
2022-10-02 | Spin-orbit coupling and Kondo resonance in Co adatom on Cu(100) surface: DFT+ED study | We report density functional theory plus exact diagonalization of the
multi-orbital Anderson impurity model calculations for the Co adatom on the top
of Cu(001) surface. For the Co atom $d$-shell occupation $n_d \approx$ 8, a
singlet many-body ground state and Kondo resonance are found, when the
spin-orbit coupling is ... | 2210.00600v1 |
2022-10-20 | Theory of resonant Raman scattering due to spin-flips of resident charge carries and excitons in perovskite semiconductors | We have developed a theory of Raman scattering with single and double spin
flips of localized resident electrons and holes as well as nonequilibrium
localized excitons in semiconductor perovskite crystals under optical
excitation in the resonant exciton region. Scattering mechanisms involving
localized excitons, biexci... | 2210.11202v1 |
2023-01-18 | Purcell enhancement of single-photon emitters in silicon | Individual spins that are coupled to telecommunication photons offer unique
promise for distributed quantum information processing once a coherent and
efficient spin-photon interface can be fabricated at scale. We implement such
an interface by integrating erbium dopants into a nanophotonic silicon
resonator. We achiev... | 2301.07753v2 |
2016-05-18 | Standing magnetic wave on Ising ferromagnet: Nonequilibrium phase transition | The dynamical response of an Ising ferromagnet to a plane polarised standing
magnetic field wave is modelled and studied here by Monte Carlo simulation in
two dimensions. The amplitude of standing magnetic wave is modulated along the
direction x. We have detected two main dynamical phases namely, pinned and
oscillating... | 1605.05643v2 |
2024-01-04 | Symmetry of the coupling between surface acoustic waves and spin waves in synthetic antiferromagnets | Synthetic antiferromagnets host spin waves that are highly tunable. It is of
practical interest to analyze the symmetry of their coupling to surface
acoustic waves with the design of hybrid devices in view. For this we calculate
the layer-resolved susceptibility tensor of a synthetic antiferromagnet, the
effective magn... | 2401.02263v1 |
2006-01-30 | Electric Dipole Induced Spin Resonance in Quantum Dots | An alternating electric field, applied to a quantum dot, couples to the
electron spin via the spin-orbit interaction. We analyze different types of
spin-orbit coupling known in the literature and find two efficient mechanisms
of spin control in quantum dots. The linear in momentum Dresselhaus and Rashba
spin-orbit coup... | 0601674v2 |
2004-12-01 | A new mechanism for electron spin echo envelope modulation | Electron spin echo envelope modulation (ESEEM) has been observed for the
first time from a coupled hetero-spin pair of electron and nucleus in liquid
solution. Previously, modulation effects in spin echo experiments have only
been described in liquid solutions for a coupled pair of homonuclear spins in
NMR or a pair of... | 0412002v1 |
2007-09-16 | Measurement of Rashba and Dresselhaus spin-orbit magnetic fields | Spin-orbit coupling is a manifestation of special relativity. In the
reference frame of a moving electron, electric fields transform into magnetic
fields, which interact with the electron spin and lift the degeneracy of
spin-up and spin-down states. In solid-state systems, the resulting spin-orbit
fields are referred t... | 0709.2509v1 |
2010-03-26 | Quantum-dot-spin single-photon interface | Using background-free detection of spin-state-dependent resonance
fluorescence from a single-electron charged quantum dot with an efficiency of
0:1%, we realize a single spin-photon interface where the detection of a
scattered photon with 300 picosecond time resolution projects the quantum dot
spin to a definite spin e... | 1003.5195v3 |
2010-08-20 | Nuclear spin cooling using Overhauser field selective coherent population trapping | Hyperfine interactions with a nuclear spin environment fundamentally limit
the coherence properties of confined electron spins in the solid-state. Here,
we show that a quantum interference effect in optical absorption from two
electronic spin states of a solid-state emitter can be used to prepare the
surrounding enviro... | 1008.3507v1 |
2010-09-26 | Detection and quantification of inverse spin Hall effect from spin pumping in permalloy/normal metal bilayers | Spin pumping is a mechanism that generates spin currents from ferromagnetic
resonance (FMR) over macroscopic interfacial areas, thereby enabling sensitive
detection of the inverse spin Hall effect that transforms spin into charge
currents in non-magnetic conductors. Here we study the spin-pumping-induced
voltages due t... | 1009.5089v1 |
2012-03-16 | Adiabatic Passage and Spin Locking in Tm$^{3+}$:YAG | In low concentration Tm$^{3+}$:YAG, we observe efficient adiabatic rapid
passage (ARP) of thulium nuclear spin over flipping times much longer than
$T_2$. Efficient ARP with long flipping time has been observed in monoatomic
solids for decades and has been analyzed in terms of spin temperature and of
the thermodynamic ... | 1203.3753v2 |
2012-04-24 | Sensing distant nuclear spins with a single electron spin | We experimentally demonstrate the use of a single electronic spin to measure
the quantum dynamics of distant individual nuclear spins from within a
surrounding spin bath. Our technique exploits coherent control of the electron
spin, allowing us to isolate and monitor nuclear spins weakly coupled to the
electron spin. S... | 1204.5483v2 |
2012-06-15 | All-optical control of the spin state in the NV-center in diamond | We describe an all-optical scheme for spin manipulation in the ground-state
triplet of the negatively charged nitrogen-vacancy (NV) center in diamond.
Virtual optical excitation from the 3A_2 ground state into the 3E excited state
allows for spin rotations by virtue of the spin-spin interaction in the
two-fold orbitall... | 1206.3505v1 |
2012-11-06 | Experimental Verification of Comparability between Spin-Orbit and Spin-Diffusion Lengths | We experimentally confirmed that the spin-orbit lengths of noble metals
obtained from weak anti-localization measurements are comparable to the spin
diffusion lengths determined from lateral spin valve ones. Even for metals with
strong spin-orbit interactions such as Pt, we verified that the two methods
gave comparable... | 1211.1222v2 |
2013-08-16 | Plasmonic generation of spin currents | Surface plasmons, free-electron collective oscillations in metallic
nanostructures, provide abundant routes to manipulate light-electron
interactions that can localize light energy and alter electromagnetic field
distributions at subwavelength scales. The research field of plasmonics thus
integrates nano-photonics with... | 1308.3532v2 |
2014-07-25 | Spin pumping using an Ni80Fe20 thin film annealed in a magnetic field | Spin pumping controlled with the ferromagnetic resonance of an Ni80Fe20 thin
film annealed in a magnetic field was performed in order to investigate the
simple and efficient generation method of the pure spin current. At the
spin-pumping using the Ni80Fe20 on an annealed Pd/Ni80Fe20 stacked structure,
the electromotive... | 1407.7028v3 |
2014-07-30 | Room Temperature Spin Pumping in Topological Insulator Bi2Se3 | Three-dimensional (3D) topological insulators are known for their strong
spin-orbit coupling and the existence of spin-textured topological surface
states which could be potentially exploited for spintronics. Here, we
investigate spin pumping from a metallic ferromagnet (CoFeB) into a 3D
topological insulator (Bi2Se3) ... | 1407.7940v1 |
2014-09-12 | Protecting a solid-state spin from decoherence using dressed spin states | Dressed spin states, a spin coupling to continuous radiation fields, can
fundamentally change how a spin responds to magnetic fluctuations. Using
dressed spin states, we were able to protect an electron spin in diamond from
decoherence. Dressing a spin with resonant microwaves at a coupling rate near 1
MHz leads to a 5... | 1409.3786v1 |
2015-01-27 | An experimental demonstration of room-temperature spin transport in n-type Germanium epilayers | We report the first experimental demonstration of room-temperature spin
transport in n-type Ge epilayers grown on a Si(001) substrate. By utilizing
spin pumping under ferromagnetic resonance, which inherently endows a spin
battery function for semiconductors connected with the ferromagnet, a pure spin
current is genera... | 1501.06691v1 |
2015-05-29 | Topological Surface States Originated Spin-Orbit Torques in Bi2Se3 | Three dimensional topological insulator bismuth selenide (Bi2Se3) is expected
to possess strong spin-orbit coupling and spin-textured topological surface
states, and thus exhibit a high charge to spin current conversion efficiency.
We evaluate spin-orbit torques in Bi2Se3/Co40Fe40B20 devices at different
temperatures b... | 1505.07937v1 |
2015-08-31 | All electrical manipulation of magnetization dynamics in a ferromagnet by antiferromagnets with anisotropic spin Hall effects | We investigate spin-orbit torques of metallic CuAu-I-type antiferromagnets
using spin-torque ferromagnetic resonance tuned by a dc-bias current. The
observed spin torques predominantly arise from diffusive transport of spin
current generated by the spin Hall effect. We find a growth-orientation
dependence of the spin t... | 1508.07906v2 |
2015-09-22 | Rare-earth triangular lattice spin liquid: a single-crystal study of YbMgGaO$_{4}$ | YbMgGaO$_{4}$, a structurally perfect two-dimensional triangular lattice with
odd number of electrons per unit cell and spin-orbit entangled effective
spin-1/2 local moments of Yb$^{3+}$ ions, is likely to experimentally realize
the quantum spin liquid ground state. We report the first experimental
characterization of ... | 1509.06766v1 |
2015-12-18 | Interplay between resonant tunneling and spin precession oscillations in all-electric all-semiconductor spin transistors | We investigate the transmission properties of a spin transistor coupled to
two quantum point contacts acting as spin injector and detector. In the
Fabry-Perot regime, transport is mediated by quasibound states formed between
tunnel barriers. Interestingly, the spin-orbit interaction of the Rashba type
can be tuned in s... | 1512.05958v2 |
2016-02-17 | Fractional Spin Fluctuation as a Precursor of Quantum Spin Liquids: Majorana Dynamical Mean-Field Study for the Kitaev Model | Experimental identification of quantum spin liquids remains a challenge, as
the pristine nature is to be seen in asymptotically low temperatures. We here
theoretically show that the precursor of quantum spin liquids appears in the
spin dynamics in the paramagnetic state over a wide temperature range. Using
the cluster ... | 1602.05253v2 |
2016-08-02 | Spintronics of Organometal Trihalide Perovskites | The family of organometal trihalide perovskite (OTP), CH3NH3PbX3 (where X is
halogen) has recently revolutionized the photovoltaics field and shows promise
in a variety of optoelectronic applications. The characteristic spin properties
of charge and neutral excitations in OTPs are influenced by the large
spin-orbit cou... | 1608.00993v1 |
2017-12-21 | Dynamics of a single ion spin impurity in a spin-polarized atomic bath | We report on observations of spin dynamics in single Yb$^+$ ions immersed in
a cold cloud of spin-polarized $^6$Li atoms. This species combination has been
proposed to be the most suitable system to reach the quantum regime in atom-ion
experiments. For $^{174}$Yb$^+$, we find that the atomic bath polarizes the
spin of ... | 1712.07873v2 |
2018-07-31 | Spin absorption at ferromagnetic-metal/platinum-oxide interface | We investigate the absorption of a spin current at a
ferromagnetic-metal/Pt-oxide interface by measuring current-induced
ferromagnetic resonance. The spin absorption was characterized by the magnetic
damping of the heterostructure. We show that the magnetic damping of a
Ni$_{81}$Fe$_{19}$ film is clearly enhanced by at... | 1807.11806v1 |
2018-04-16 | Spin manipulation and spin dephasing in quantum dot integrated with a slanting magnetic field | A slanting magnetic field is usually used to realize a slight hybridization
between the spin and orbital degrees of freedom in a semiconductor quantum dot,
such that the spin is manipulable by an external oscillating electric field.
Here we show that, the longitudinal slanting field mediates a longitudinal
driving term... | 1804.05476v3 |
2020-09-10 | Spin polarization recovery and Hanle effect for charge carriers interacting with nuclear spins in semiconductors | We report on theoretical and experimental study of the spin polarization
recovery and Hanle effect for the charge carriers interacting with the
fluctuating nuclear spins in the semiconductor structures. We start the
theoretical description from the simplest model of static and isotropic nuclear
spin fluctuations. Then ... | 2009.04805v1 |
2016-11-04 | Hybrid continuous dynamical decoupling: a photon-phonon doubly dressed spin | We study the parametric interaction between a single Nitrogen-Vacancy
electronic spin and a diamond mechanical resonator in which the spin is
embedded. Coupling between spin and oscillator is achieved by crystal strain,
which is generated upon actuation of the oscillator and which parametrically
modulates the spins' en... | 1611.01515v1 |
2016-11-22 | Control and Local Measurement of the Spin Chemical Potential in a Magnetic Insulator | The spin chemical potential characterizes the tendency of spins to diffuse.
Probing the spin chemical potential could provide insight into materials such
as magnetic insulators and spin liquids and aid optimization of spintronic
devices. Here, we introduce single-spin magnetometry as a generic platform for
non-perturba... | 1611.07408v1 |
2019-01-17 | Spin transport parameters of NbN thin films characterised by spin pumping experiments | We present measurements of ferromagnetic-resonance - driven spin pumping and
inverse spin-Hall effect in NbN/Y3Fe5O12 (YIG) bilayers. A clear enhancement of
the (effective) Gilbert damping constant of the thin-film YIG was observed due
to the presence of the NbN spin sink. By varying the NbN thickness and
employing spi... | 1901.05753v1 |
2020-05-18 | Spin squeezing in a spin-orbit coupled Bose-Einstein condensate | We study the spin squeezing in a spin-1/2 Bose-Einstein condensates (BEC)
with Raman induced spin-orbit coupling (SOC). Under the condition of two-photon
resonance and weak Raman coupling strength, the system possesses two degenerate
ground states, using which we construct an effective two-mode model. The
Hamiltonian o... | 2005.08532v2 |
2020-07-20 | Sizable spin-transfer torque in Bi/Ni80Fe20 bilayer film | The search for efficient spin conversion in Bi has attracted great attention
in spin-orbitronics. In the present work, we employ spin-torque ferromagnetic
resonance to investigate spin conversion in Bi/Ni80Fe20(Py) bilayer films with
continuously varying Bi thickness. In contrast with previous studies, sizable
spin-tra... | 2007.09830v1 |
2022-07-30 | Spin transport properties in a naphthyl diamine derivative film investigated by the spin pumping | We report the spin transport properties in a thin film of a naphthyl diamine
derivative: N,N'-Bis(naphthalen-1-yl)-N,N'-bis(phenyl)-2,2'-dimethylbenzidine
(alpha-NPD). In a palladium(Pd)/alpha-NPD/Ni80Fe20 tri-layer structure sample,
a pure spin current is generated in the alpha-NPD layer with the spin pumping
driven b... | 2208.00170v3 |
2023-07-13 | Mapping a 50-spin-qubit network through correlated sensing | Spins associated to optically accessible solid-state defects have emerged as
a versatile platform for exploring quantum simulation, quantum sensing and
quantum communication. Pioneering experiments have shown the sensing, imaging,
and control of multiple nuclear spins surrounding a single electron-spin
defect. However,... | 2307.06939v1 |
2023-08-02 | Muon spin force | Current discrepancy between the measurement and the prediction of the muon
anomalous magnetic moment can be resolved in the presence of a long-range force
created by ordinary atoms acting on the muon spin via axial-vector and/or
pseudoscalar coupling, and requiring a tiny, $\mathcal{O}(10^{-13}\,{\rm eV})$
spin energy ... | 2308.01356v1 |
2013-02-28 | Number and spin densities in the ground state of a trapped mixture of two pseudospin-1/2 Bose gases with interspecies spin-exchange interaction | We consider the ground state of a mixture of two pseudospin-$\1/2$ Bose gases
with interspecies spin exchange in a trapping potential. In the mean field
approach, the ground state can be described in terms of four wave functions
governed by a set of coupled Gross-Pitaevskii-like (GP-like) equations, which
differ from t... | 1302.7217v1 |
2016-07-27 | Initial data for black hole-neutron star binaries, with rotating stars | The coalescence of a neutron star with a black hole is a primary science
target of ground-based gravitational wave detectors. Constraining or measuring
the neutron star spin directly from gravitational wave observations requires
knowledge of the dependence of the emission properties of these systems on the
neutron star... | 1607.07962v1 |
2017-12-03 | Two-spinor description of massive particles and relativistic spin projection operators | On the basis of the Wigner unitary representations of the covering group
ISL(2,C) of the Poincar\'{e} group, we obtain spin-tensor wave functions of
free massive particles with arbitrary spin. The wave functions automatically
satisfy the Dirac-Pauli-Fierz equations. In the framework of the two-spinor
formalism we const... | 1712.00833v2 |
2019-11-11 | Theory and phase-field simulations on electrical control of spin cycloids in a multiferroic | Cycloidal spin orders are common in multiferroics. One of the prototypical
examples is BiFeO3 (BFO) which shows a large polarization and a cycloidal
antiferromagnetic order at room temperature. Here we employ Landau theory and
phase-field simulations to analyze the coupled switching dynamics of
polarization and cycloid... | 1911.04023v2 |
2017-10-12 | Quasiclassical theory of spin dynamics in superfluid $^3$He: kinetic equations in the bulk and spin response of surface Majorana states | We develop a theory based on the formalism of quasiclassical Green's
functions to study the spin dynamics in superfluid $^3$He. First, we derive
kinetic equations for the spin-dependent distribution function in the bulk
superfluid reproducing the results obtained earlier without quasiclassical
approximation. Then we co... | 1710.04468v2 |
2018-04-25 | Spinning Mellin Bootstrap: Conformal Partial Waves, Crossing Kernels and Applications | We study conformal partial waves (CPWs) in Mellin space with totally
symmetric external operators of arbitrary integer spin. The exchanged spin is
arbitrary, and includes mixed symmetry and (partially)-conserved
representations. In a basis of CPWs recently introduced in arXiv:1702.08619, we
find a remarkable factorisat... | 1804.09334v2 |
2021-02-03 | Spin-governed topological surfaces and broken spin-momentum locking in a gyromagnetic medium | Topology of isofrequency surfaces plays a crucial role in characterizing the
interaction of an electromagnetic wave with a medium. Thus, engineering the
topology in complex media is leading to novel applications, ranging from
super-resolution microscopy with hyperbolic metamaterials to sub-wavelength
waveguiding struct... | 2102.02027v1 |
2019-01-21 | Magnonics: Spin Waves Connecting Charges, Spins and Photons | Spin waves (SW) are the excitation of the spin system in a ferromagnetic
condensed matter body. They are collective excitations of the electron system
and, from a quasi-classical point of view, can be understood as a coherent
precession of the electrons' spins. Analogous to photons, they are also
referred to as magnons... | 1901.07021v1 |
2019-07-02 | Spin-orbit interaction and snake states in graphene $p$-$n$ junctions | We study a model of a $p$-$n$ junction in single-layer graphene in the
presence of a perpendicular magnetic field and spin-orbit interactions. By
solving the relevant quantum-mechanical problem for a potential step, we
determine the exact spectrum of spin-resolved dispersive Landau levels. Close
to zero energy, we find... | 1907.01233v2 |
2019-07-17 | Transverse photon spin beyond interfaces | Photons possess spin degree of freedom, corresponding to clockwise and
counter clockwise rotating direction of the fields. Photon spin plays an
important role in various applications such as optical communications,
information processing and sensing. In conventional isotropic media, photon
spin is aligned with the prop... | 1907.07654v1 |
2022-01-18 | Spin generalizations of the Benjamin-Ono equation | We present new soliton equations related to the $A$-type spin Calogero-Moser
(CM) systems introduced by Gibbons and Hermsen. These equations are spin
generalizations of the Benjamin-Ono (BO) equation and the recently introduced
non-chiral intermediate long-wave (ncILW) equation. We obtain multi-soliton
solutions of the... | 2201.07269v1 |
2022-02-18 | Intrinsic spin-momentum dynamics of surface electromagnetic waves in complex dispersive system | Spin-momentum locking is an intrinsic property of surface electromagnetic
fields and its study has led to the discovery of photonic spin lattices and
diverse applications. Previously, dispersion was ignored in the spin-momentum
locking, giving rise to abnormal phenomena contradictory to the physical
realities. Here, we... | 2202.09007v1 |
2022-03-26 | Spin and Contextuality in Extended de Broglie-Bohm-Bell Quantum Mechanics | This paper introduces an extension of the de Broglie-Bohm-Bell formulation of
quantum mechanics, which includes intrinsic particle degrees of freedom, such
as spin, as elements of reality. To evade constraints from the Kochen-Specker
theorem the discrete spin values refer to a specific basis -- i.e., a single
spin vect... | 2203.14034v1 |
2023-02-20 | Néel-Vector Switching and THz Spin-Wave Excitation in Mn$_2$Au due to Femtosecond Spin-Transfer Torques | Efficient and fast manipulation of antiferromagnets has to date remained a
challenging task, hindering their application in spintronic devices. For
ultrafast operation of such devices, it is highly desirable to be able to
control the antiferromagnetic order within picoseconds - a timescale that is
difficult to achieve ... | 2302.09822v1 |
2023-03-29 | Asymptotic gravitational-wave fluxes from a spinning test body on generic orbits around a Kerr black hole | This work provides gravitational wave energy and angular momentum asymptotic
fluxes from a spinning body moving on generic orbits in a Kerr spacetime up to
linear in spin approximation. To achieve this, we have developed a new
frequency domain Teukolsky equation solver that calculates asymptotic
amplitudes from generic... | 2303.16798v1 |
2023-08-30 | Spin Rotations in a Bose-Einstein Condensate Driven by Counterflow and Spin-independent Interactions | We observe spin rotations caused by atomic collisions in a non-equilibrium
Bose-condensed gas of $^{87}$Rb. Reflection from a pseudomagnetic barrier
creates counterflow in which forward- and backward-propagating matter waves
have partly transverse spin directions. Even though inter-atomic interaction
strengths are stat... | 2308.16069v1 |
2018-01-15 | Coupling Two Spin Qubits with a High-Impedance Resonator | Fast, high-fidelity single and two-qubit gates are essential to building a
viable quantum information processor, but achieving both in the same system has
proved challenging for spin qubits. We propose and analyze an approach to
perform a long-distance two-qubit controlled phase (CPHASE) gate between two
singlet-triple... | 1801.04858v4 |
2016-03-12 | Magnetic Resonance Force Detection using a Membrane Resonator | The availability of compact, low-cost magnetic resonance imaging instruments
would further broaden the substantial impact of this technology. We report
highly sensitive detection of magnetic resonance using low-stress silicon
nitride (SiN$_x$) membranes. We use these membranes as low-loss, high-frequency
mechanical osc... | 1603.03953v2 |
2016-03-24 | The theory of secondary resonances in the spin-orbit problem | We study the resonant dynamics in a simple one degree of freedom, time
dependent Hamiltonian model describing spin-orbit interactions. The equations
of motion admit periodic solutions associated with resonant motions, the most
important being the synchronous one in which most evolved satellites of the
Solar system, inc... | 1603.07760v1 |
2018-07-11 | Probing the Dzyaloshinskii-Moriya interaction via the propagation of spin waves in ferromagnetic thin films | The Dzyaloshinskii-Moriya interaction (DMI) has attracted considerable recent
attention owing to the intriguing physics behind and the fundamental role it
played in stabilizing magnetic solitons, such as magnetic skyrmions and chiral
domain walls. A number of experimental efforts have been devoted to probe the
DMI, amo... | 1807.04025v2 |
2008-09-24 | The role of magnetic anisotropy in the Kondo effect | In the Kondo effect, a localized magnetic moment is screened by forming a
correlated electron system with the surrounding conduction electrons of a
non-magnetic host. Spin S=1/2 Kondo systems have been investigated extensively
in theory and experiments, but magnetic atoms often have a larger spin. Larger
spins are subj... | 0809.4289v1 |
2011-10-22 | Theory of electronic properties and quantum spin blockade in a gated linear triple quantum dot with one electron spin each | We present a theory of electronic properties and the spin blockade phenomena
in a gated linear triple quantum dot. Quadruple points where four different
charge configurations are on resonance, particularly involving (1,1,1)
configuration, are considered. In the symmetric case, the central dot is biased
to higher energy... | 1110.4982v1 |
2013-11-02 | Quantum-ring spin interference device tuned by quantum point contacts | We introduce a spin-interference device that comprises a quantum ring (QR)
with three embedded quantum point contacts (QPCs) and study theoretically its
spin transport properties in the presence of Rashba spin-orbit interaction. Two
of the QPCs conform the lead-to-ring junctions while a third one is placed
symmetricall... | 1311.0406v1 |
2014-10-23 | Pulsed Low-Field Electrically Detected Magnetic Resonance | We present pulsed electrically detected magnetic resonance (EDMR)
measurements at low magnetic fields using posphorus-doped silicon with natural
isotope composition as a model system. Our measurements show that pulsed EDMR
experiments, well established at X-band frequencies (10 GHz), such as coherent
spin rotations, Ha... | 1410.6464v2 |
2015-04-09 | Optical hyperpolarization of 13C nuclear spins in nanodiamond ensembles | Here we propose and analyse in detail protocols that can achieve rapid
hyperpolarization of 13C nuclear spins in randomly oriented ensembles of
nanodiamonds at room temperature. Our protocols exploit a combination of
optical polarization of electron spins in nitrogen-vacancy centers and the
transfer of this polarizatio... | 1504.02368v1 |
2016-09-15 | Generating resonating valence bond states through Dicke subradiance | Dicke's original thought experiment with two spins coupled to a photon mode
has recently been experimentally realized. We propose extending this experiment
to N spins and show that it naturally gives rise to highly entangled states. In
particular, it gives rise to dark states which have resonating valence bond
(RVB) ch... | 1609.04853v2 |
2016-12-09 | Optical and microwave control of germanium-vacancy center spins in diamond | A solid-state system combining a stable spin degree of freedom with an
efficient optical interface is highly desirable as an element for integrated
quantum optical and quantum information systems. We demonstrate a bright color
center in diamond with excellent optical properties and controllable electronic
spin states. ... | 1612.02947v2 |
2019-01-03 | Rapid high-fidelity gate-based spin read-out in silicon | Silicon spin qubits form one of the leading platforms for quantum
computation. As with any qubit implementation, a crucial requirement is the
ability to measure individual quantum states rapidly and with high fidelity. As
the signal from a single electron spin is minute, different spin states are
converted to different... | 1901.00687v1 |
2022-04-22 | Controlling magnetism with light in a zero orbital angular momentum antiferromagnet | Antiferromagnetic materials feature intrinsic ultrafast spin dynamics, making
them ideal candidates for future magnonic devices operating at THz frequencies.
A major focus of current research is the investigation of optical methods for
the efficient generation of coherent magnons in antiferromagnetic insulators.
In mag... | 2204.10574v1 |
2019-09-24 | Resonant absorption in expanding coronal magnetic flux tubes with uniform density | Aims. We investigate the transfer of energy between a standing kink mode and
azimuthal Alfven waves within an expanding flux tube. We consider the process
of resonant absorption in a loop with a non-uniform Alfven frequency profile
but in the absence of a radial density gradient. Methods. Using the MHD code,
Lare3d, we... | 1909.10781v1 |
2002-07-12 | The N* Program at Jefferson Lab - Status and Prospects | I discuss recent results on the electroproduction and photoproduction of
mesons in the region of non-strange baryon resonances. Results on the
quadrupole transition from the ground state nucleon to the Delta(1232) show the
importance of pion cloud contributions to explain the observed quadrupole
transition multipoles. ... | 0207149v2 |
2000-07-10 | Properties of Some Resonances of the 55Mn(p,g)56Fe Reaction in the Ep = 1.3 - 1.8 Mev Region | Radiative decay of 21 resonances in the 55Mn(p,g)56Fe reaction was studied in
the proton beam energy region Ep = 1.3 - 1.8 MeV. Branching of decay to many
low lying bound states up to excitation energy Ex ~ 8 MeV was measured. Exact
energy of all resonances has been established what pointed out that five of the
resonan... | 0007008v1 |
2013-06-19 | Distinguishing Color-Octet and Color-Singlet Resonances at the Large Hadron Collider | Di-jet resonance searches are simple, yet powerful and model-independent,
probes for discovering new particles at hadron colliders. Once such a resonance
has been discovered it is important to determine the mass, spin, couplings,
chiral behavior and color properties to determine the underlying theoretical
structure. We... | 1306.4715v1 |
2013-12-22 | Observation of low-field Fano-Feshbach resonances in ultracold gases of dysprosium | We report the observation of resonance-like loss in the trap population of
ultracold dysprosium as a function of magnetic field, which we attribute to
anisotropy-induced Fano-Feshbach resonances arising from Dy's large magnetic
dipole moment and nonzero electronic orbital angular momentum. We recorded
these resonances ... | 1312.6401v1 |
2014-02-13 | Three-body model calculations of Nucleon-Delta and Delta-Delta dibaryon resonances | Three-body hadronic models with separable pairwise interactions are
formulated and solved to calculate resonance masses and widths of L=0 N-Delta
and Delta-Delta dibaryons using relativistic kinematics. For N-Delta,
I(JP)=1(2+) and 2(1+) resonances slightly below threshold are found by solving
pi-N-N Faddeev equations.... | 1402.3171v2 |
2014-08-07 | Polaritonic Feshbach Resonance | A Feshbach resonance occurs when the energy of two interacting free particles
comes to resonance with a molecular bound state. When approaching this
resonance, dramatic changes in the interaction strength between the particles
occur. Feshbach resonances have been an essential tool to control the atom
interactions, whic... | 1408.1499v2 |
2016-03-15 | Entangling distant resonant exchange qubits via circuit quantum electrodynamics | We investigate a hybrid quantum system consisting of spatially separated
resonant exchange qubits, defined in three-electron semiconductor triple
quantum dots, that are coupled via a superconducting transmission line
resonator. Drawing on methods from circuit quantum electrodynamics and
Hartmann-Hahn double resonance t... | 1603.04829v1 |
2016-11-27 | Real-time measurement of nanotube resonator fluctuations in an electron microscope | Mechanical resonators based on low-dimensional materials provide a unique
platform for exploring a broad range of physical phenomena. The mechanical
vibrational states are indeed extremely sensitive to charges, spins, photons,
and adsorbed masses. However, the roadblock is often the readout of the
resonator, since the ... | 1611.08873v1 |
2021-05-16 | A Tidal Origin for a 3-body Resonance in Kepler-221 | Over the course of the last two decades, traditional models of planet
formation have been repeatedly challenged by the emerging census of extrasolar
planets. Key among them is the orbital architecture problem: while standard
models of orbital migration predict resonant orbits for short-period objects,
most planets do n... | 2105.07368v1 |
2015-01-30 | The Astrophysics of Resonant Orbits in the Kerr Metric | This paper gives a complete characterization of resonant orbits in a Kerr
spacetime. A resonant orbit is defined as a geodesic for which the longitudinal
and radial orbital frequencies are commensurate. Our analysis is based on
expressing the resonance condition in its most symmetric form using Carlson's
integrals. We ... | 1501.07728v1 |
2015-06-17 | Spin Casimir Effect in Non-collinear Quantum Antiferromagnets | The Casimir effect is a general phenomenon in physics, which arises when the
vacuum fluctuation of an arbitrary field is modified by static or slowly
varying boundary. However, its spin version is rarely addressed, mainly due to
the fact that a macroscopic boundary in quantum spin systems is hard to define.
In this art... | 1506.05211v2 |
2001-01-24 | Effects of dipolar field in the spin dynamics of a Fermi liquid | We study spin dynamics of a normal Fermi liquid taking into account the
demagnetizing field produced by the spin system itself. Linear solutions of the
spin dynamics equations in the form of standing spin waves in a finite volume
of liquid are found. At almost all known experimental conditions the influence
of demagnet... | 0101368v3 |
2005-07-22 | Spin waves in a one-dimensional spinor Bose gas | We study a one-dimensional (iso)spin 1/2 Bose gas with repulsive
delta-function interaction by the Bethe Ansatz method and discuss the
excitations above the polarized ground state. In addition to phonons the system
features spin waves with a quadratic dispersion. We compute analytically and
numerically the effective ma... | 0507513v1 |
1996-02-19 | Gravitational waves from a spinning particle in circular orbits around a rotating black hole | Using the Teukolsky and Sasaki-Nakamura formalisms for the perterbations
around a Kerr black hole, we calculate the energy flux of gravitational waves
induced by a {\it spinning} particle of mass $\mu$ and spin $S$ moving in
circular orbits near the equatorial plain of a rotating black hole of mass $M
(\gg \mu)$ and sp... | 9602038v1 |
1993-04-28 | Semiclassical analysis of two- and three-spin antiferromagnets and anyons on a sphere | We do a semiclassical analysis for two or three spins which are coupled
antiferromagnetically to each other. The semiclassical wave functions transform
correctly under permutations of the spins if one takes into account the
Wess-Zumino term present in the path integral for spins. The Wess-Zumino term
here is a total de... | 9304151v1 |
2008-01-21 | First principles study on the spin transfer torques | An efficient first principles method was developed to calculate spin transfer
torques in layered system with noncollinear magnetization. The complete
scattering wave function is determined by matching the wave function in the
scattering region with the Bloch states in the leads. The spin transfer torques
are obtained w... | 0801.3135v1 |
2008-08-04 | Ballistic magneto-thermal transport in a Heisenberg spin chain at low temperatures | We study ballistic thermal transport in Heisenberg spin chain with
nearest-neighbor ferromagnetic interactions at low temperatures. Explicit
expressions for transmission coefficients are derived for thermal transport in
a periodic spin chain of arbitrary junction length by a spin-wave model. Our
analytical results agre... | 0808.0380v2 |
2009-03-13 | Spin-wave velocities, density of magnetic excitations, and NMR relaxation in ferro-pnictides | We perform an analysis of the experimentally known temperature dependence of
the staggered magnetization in the antiferromagnetic phase. This analysis
allows us to put an upper limit on the unknown value of the spin wave velocity
along the stripes of equal spin direction (spin stripes). The velocity is about
ten times ... | 0903.2313v2 |
2009-03-27 | Dynamical magnetoelectric effects induced by the Dzyaloshinskii-Moriya interaction in multiferroics | We study the dynamical interplay between ferroelectricity and magnetism in a
multiferroic with a helical magnetic order. We show that the dynamical
exchange-striction induces a biquadratic interaction between the spins and
transverse phonons resulting in quantum fluctuations of the spontaneous
ferroelectric polarizatio... | 0903.4751v1 |
2009-04-16 | Antiferromagnetism in the magnetoelectric effect single crystal LiMnPO$_4$ | Elastic and inelastic neutron scattering studies reveal details of the
antiferromagnetic tansition and intriguing spin-dynamics in the
magneto-electric effect single crystal LiMnPO$_4$. The elastic scattering
studies confirm the system is antiferromagnetic (AFM) below $T_N$=33.75 K with
local magnetic moments (Mn$^{2+}... | 0904.2580v1 |
2009-06-19 | Overhauser's spin-density wave in exact-exchange spin density functional theory | The spin density wave (SDW) state of the uniform electron gas is investigated
in the exact exchange approximation of noncollinear spin density functional
theory (DFT). Unlike in Hartree-Fock theory, where the uniform paramagnetic
state of the electron gas is unstable against formation of the spin density
wave for all d... | 0906.3721v2 |
2010-08-31 | Spin-flip excitations, spin waves, and magneto-excitons in graphene Landau levels at integer filling factors | We study collective electronic excitations in graphene in the integer quantum
Hall regime, concentrating mainly on excitations with spin reversal such as
spin-flip and spin-wave excitations. We show that these excitations are
correctly accounted for in the time-dependent Hartree-Fock and strong magnetic
field approxima... | 1008.5304v2 |
2013-02-18 | Engineering spin waves in a high-spin ultracold Fermi gas | We report on the detailed study of multi-component spin-waves in an s=3/2
Fermi gas where the high spin leads to novel tensorial degrees of freedom
compared to s = 1/2 systems. The excitations of a spin-nematic state are
investigated from the linear to the nonlinear regime, where the tensorial
character is particularly... | 1302.4323v3 |
2013-08-26 | Spin turbulence with small spin magnitude in spin-1 spinor Bose-Einstein condensates | We theoretically and numerically study spin turbulence (ST) with small spin
magnitude in spin-1 spinor Bose-Einstein condensates by using the spin-1 spinor
Gross-Pitaevskii (GP)equations. This kind of ST is realized in two cases: (i)
with antiferromagnetic interaction and (ii) with ferromagnetic interaction
under a sta... | 1308.5504v1 |
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