publicationDate stringlengths 1 2.79k | title stringlengths 1 36.5k ⌀ | abstract stringlengths 1 37.3k ⌀ | id stringlengths 9 47 |
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2022-02-15 | Interplay of leakage radiation and protection in topological photonic crystal cavities | The introduction of topological concepts to the design of photonic crystal
cavities holds great promise for applications in integrated photonics due to
the prospect of topological protection. This study examines the signatures of
topological light confinement in the leakage radiation of two-dimensional
topological phot... | 2202.07620v2 |
2022-06-21 | alpha-cluster structure of 18Ne | In this work we study alpha-clustering in 18Ne and compare it with what is
known about clustering in the mirror nucleus 18O. The excitation function of
18Ne was measured in inverse kinematics from the resonant elastic scattering
reaction of 14O on 4He in the excitation energy range from 8 to 17 MeV, using
the active ta... | 2206.10659v2 |
2022-12-02 | Nonlinear behaviour of the nonradiative exciton reservoir in quantum wells | Excitons and free charge carriers with large wave vectors form a nonradiative
reservoir, which can strongly affect properties of bright excitons due to the
exciton-exciton and exciton-carrier interactions. In the present work, the
dynamics of quasiparticles in the reservoir at different areal densities is
experimentall... | 2212.01107v1 |
2023-07-05 | Femtoscopy of $D$ mesons and light mesons upon unitarized effective field theories | Hadron femtoscopy has turned into a powerful tool for accessing space-time
information of heavy-ion collisions as well as for studying final-state
interactions of hadrons. Recently, heavy-flavor femtoscopy has become feasible
using the ALICE detector at the LHC. We compute the correlation function of $D$
mesons and lig... | 2307.02102v2 |
2024-01-09 | Microwave magnetic excitations in U-type hexaferrite Sr$_4$CoZnFe$_{36}$O$_{60}$ ceramics | Microwave (MW) spectra of ferrimagnetic U-hexaferrite
Sr$_4$CoZnFe$_{36}$O$_{60}$ ceramics were studied using several experimental
techniques from 100 MHz to 50 GHz at temperatures between 10 and 390 K. They
revealed 9 excitations, which exhibit remarkable temperature dependences near
the magnetic phase transitions at ... | 2401.04678v1 |
2024-02-21 | Multi-step topological transitions among meron and skyrmion crystals in a centrosymmetric magnet | Topological swirling spin textures, such as skyrmions and merons, have
recently attracted much attention as a unique building block for high-density
magnetic information devices. The controlled transformation among different
types of such quasi-particles is an important challenge, while it was
previously achieved only ... | 2402.13751v1 |
2006-02-24 | Magnetization dynamics in dysprosium orthoferrites via inverse Faraday effect | The ultrafast non-thermal control of magnetization has recently become
feasible in canted antiferromagnets through photomagnetic instantaneous pulses
[A.V. Kimel {\it et al.}, Nature {\bf 435}, 655 (2005)]. In this experiment
circularly polarized femtosecond laser pulses set up a strong magnetic field
along the wave ve... | 0602593v1 |
2004-01-07 | Exotic Meson Production in the $f_{1}(1285)π^{-}$ System observed in the Reaction $π^{-} p \to ηπ^{+}π^{-}π^{-} p$ at 18 GeV/c | This letter reports results from the partial wave analysis of the
$\pi^{-}\pi^{-}\pi^{+}\eta$ final state in $\pi^{-}p$ collisions at 18GeV/c.
Strong evidence is observed for production of two mesons with exotic quantum
numbers of spin, parity and charge conjugation, $J^{PC} = 1^{-+}$ in the decay
channel $f_{1}(1285)\... | 0401004v2 |
1993-09-20 | Vector Color Transparency | Color transparency (CT) in high momentum transfer $(e,e' \vec p)$ reactions
is explored. The spin of the proton and photon are treated explicitly, hence
the name ``Vector CT". The Dirac distorted wave impulse approximation is used
as a starting point; then CT effects are embedded. A hadronic basis is used to
describe t... | 9309022v1 |
1994-04-05 | Theory of parity violation in compound nuclear states; one particle aspects | In this work we formulate the reaction theory of parity violation in compound
nuclear states using Feshbach's projection operator formalism. We derive in
this framework a complete set of terms that contribute to the longitudinal
asymmetry measured in experiments with polarized epithermal neutrons. We also
discuss the p... | 9404003v1 |
2008-10-28 | Ensemble Control of Finite Dimensional Time-Varying Linear Systems | In this article, we investigate the problem of simultaneously steering an
uncountable family of finite dimensional time-varying linear systems. We call
this class of control problems Ensemble Control, a notion coming from the study
of spin dynamics in Nuclear Magnetic Resonance (NMR) spectroscopy and imaging
(MRI). Thi... | 0810.5116v2 |
2009-04-14 | Neutron scattering patterns show Superconductivity in FeTe0.5Se0.5 likely results from itinerant electron fluctuations | The discovery of the Fe pnictide superconductors generated great interest as
the structure consists of planes of a magnetic material quite similar to the
cuprate superconductors. Fe(Te0.5Se0.5) is a particularly simple system whose
planes are isostructural to the FeAs layers found in the originally discovered
supercond... | 0904.2178v1 |
2013-06-04 | Majorana bound states in d-wave superconductor-based hybrid systems | For the search of Majorana fermions, we propose to employ a ramp-type
Josephson edge junction between a normal metal such as Au, Ag or alloys of
heavy metals and a topologically-trivial dx2-y2 wave high-Tc superconductor
YBa2Cu3O7. The success in forming the elusive zero-energy Majorana bound states
(MBS) at the juncti... | 1306.0652v2 |
2013-10-03 | Quantum correlations in the 1-D driven dissipative transverse field XY model | We study the non-equilibrium steady state (NESS) of a driven dissipative
one-dimensional system near a critical point, and explore how the quantum
correlations compare to the known critical behavior in the ground state. The
model we study corresponds to a cavity array driven parametrically at a two
photon resonance, eq... | 1310.0964v2 |
2014-03-27 | Proton widths of the low-lying 16F states from the 15N(7Li, 6Li)16N reaction | All the 16F levels are unbound by proton emission. To date the four low-lying
16F levels below 1 MeV have been experimentally identified with well
established spin-parity values and excitation energies with an accuracy of 4 -
6 keV. However, there are still considerable discrepancies for their level
widths. The present... | 1403.6912v1 |
2014-04-21 | RVB superconductors with fermionic projected entangled pair states | We construct a family of simple fermionic projected entangled pair states
(fPEPS) on the square lattice with bond dimension $D=3$ which are exactly
hole-doped resonating valence bond (RVB) wavefunctions with short-range singlet
bonds. Under doping the insulating RVB spin liquid evolves immediately into a
superconductor... | 1404.5268v2 |
2014-11-28 | Hidden charm and bottom molecular states | We investigate heavy quark symmetries for heavy light meson-antimeson systems
in a contact-range effective field theory. In the SU(3) light flavor limit, the
leading order Lagrangian respecting heavy quark spin symmetry contains four
independent counter-terms. Neglecting $1/m_Q$ corrections, three of these low
energy c... | 1411.7828v1 |
2015-01-20 | Pairing versus quarteting coherence length | We systematically analyse the coherence length in even-even nuclei. The
pairing coherence length in the spin-singlet channel for the effective density
dependent delta (DDD) and Gaussian interaction is estimated. We consider in our
calculations bound states as well as narrow resonances. It turns out that the
pairing gap... | 1501.04984v1 |
2015-06-08 | Experimental study of $η$ meson photoproduction reaction at MAMI | New data for the differential cross sections, polarization observables $T$,
$F$, and $E$ in the reaction of $\eta$ photoproduction on proton from the
threshold up to a center-of-mass energy of W=1.9 GeV are presented. The data
were obtained with the Crystal-Ball/TAPS detector setup at the Glasgow tagged
photon facility... | 1506.02546v1 |
2015-11-06 | Doublon dynamics and polar molecule production in an optical lattice | Ultracold polar molecules provide an excellent platform to study quantum
many-body spin dynamics, which has become accessible in the recently realized
low entropy quantum gas of polar molecules in an optical lattice. To obtain a
detailed understanding for the molecular formation process in the lattice, we
prepare a den... | 1511.02225v1 |
2017-08-30 | Suppression of the antiferromagnetic order when approaching the superconducting state in a phase-separated crystal of K$_x$Fe$_{2-y}$Se$_2$ | We have combined elastic and inelastic neutron scattering techniques,
magnetic susceptibility and resistivity measurements to study single-crystal
samples of K$_x$Fe$_{2-y}$Se$_2$, which contain the superconducting phase that
has a transition temperature of $\sim$31 K. In the inelastic neutron scattering
measurements, ... | 1708.09115v1 |
2019-11-21 | Low damping and microstructural perfection of sub-40nm-thin yttrium iron garnet films grown by liquid phase epitaxy | The field of magnon spintronics is experiencing an increasing interest in the
development of solutions for spin-wave-based data transport and processing
technologies that are complementary or alternative to modern CMOS
architectures. Nanometer-thin yttrium iron garnet (YIG) films have been the
gold standard for insulat... | 1911.09400v1 |
2017-10-06 | Investigation of the interfacial Dzyaloshinskii-Moriya interaction sign in Ir/Co2FeAl systems by Brillouin light scattering | Co2FeAl (CFA) ultrathin films, of various thicknesses (0.9 nm<tCFA<1.8 nm),
have been grown by sputtering on Si substrates, using Ir as a buffer layer. The
magnetic properties of the structures have been studied by vibrating sample
magnetometry (VSM), miscrostrip ferromagnetic resonance (MS-FMR) and Brillouin
light sca... | 1710.02433v1 |
2019-09-24 | Photoproduction of the $Λ$(1520) hyperon with a 9 GeV photon beam at GlueX | The GlueX experiment is located at the Thomas Jefferson National Accelerator
Facility (JLab) in Newport News, VA, USA. It features a hermetic 4$\pi$
detector with excellent tracking and calorimetry capabilities. Its 9 GeV
linearly polarized photon beam is produced from the 12 GeV electron beam,
delivered by JLab's Cont... | 1909.10877v2 |
2019-12-19 | Unravelling competing microscopic interactions at a phase boundary: a single crystal study of the metastable antiferromagnetic pyrochlore Yb$_{2}$Ge$_{2}$O$_{7}$ | We report inelastic neutron scattering measurements from our newly
synthesized single crystals of the structurally metastable antiferromagnetic
pyrochlore Yb$_{2}$Ge$_{2}$O$_{7}$. We determine the four symmetry-allowed
nearest-neighbor anisotropic exchange parameters via fits to linear spin wave
theory supplemented by ... | 1912.09448v2 |
2021-12-08 | Dark discrete breather modes in monoaxial chiral helimagnet with easy-plane anisotropy | Nonlinearity and discreteness are two pivotal factors for an emergence of
discrete breather excitations in various media. We argue that these
requirements are met in the forced ferromagnetic phase of the monoaxial chiral
helimagnet CrNb$_3$S$_6$ due to specific domain structure of the compound. The
stationary, time-per... | 2112.04341v1 |
2022-04-28 | Multi-wavelength magnetic coding of helical luminescence in ferromagnetic 2D layered CrI3 | Two-dimensional (2D) van der Waals (vdW) ferromagnets have opened new avenues
for manipulating spin at the limits of single or few atomic layers, and for
creating unique magneto-exciton devices through the coupling of long-range
ferromagnetic (FM) orders and excitons. However, 2D vdW ferromagnets explored
so far have r... | 2204.13318v1 |
2022-08-22 | Crossover from Fermi Arc to Full Fermi Surface | The Fermi surface as a contour of the gapless quasiparticle excitation in
momentum space is studied based on a mean-field theory of the doped Mott
insulator, where the underlying pseudogap phase is characterized by a
two-component resonating-valence-bond (RVB) order that vanishes in the
overdoping at $\delta>\delta^*$.... | 2208.10519v2 |
2022-09-15 | Emergent charge order and unconventional superconductivity in pressurized kagome superconductor CsV3Sb5 | The discovery of multiple electronic orders in kagome superconductors AV3Sb5
(A = K, Rb, Cs) provides a promising platform for exploring unprecedented
emergent physics. Under moderate pressure (< 2.2 GPa), the triple-Q charge
density wave (CDW) order is monotonically suppressed by pressure, while the
superconductivity ... | 2209.07340v1 |
2023-08-08 | Chiral Optical Nano-Cavity with Atomically Thin Mirrors | A fundamental requirement for photonic technologies is the ability to control
the confinement and propagation of light. Widely utilized platforms include
two-dimensional (2D) optical microcavities in which electromagnetic waves are
confined between either metallic or multi-layer dielectric distributed Bragg
reflectors.... | 2308.04574v1 |
2023-12-12 | Kondo coherence versus superradiance in THz radiation-driven heavy-fermion systems | In strongly correlated systems such as heavy-fermion materials, the coherent
superposition of localized and mobile spin states leads to the formation of
Kondo resonant states, which on a dense, periodic array of Kondo ions develop
lattice coherence. Characteristically, these quantum-coherent superposition
states respon... | 2312.06931v1 |
2024-02-04 | Untangle charge-order dependent bulk states from surface effects in a topological kagome metal ScV$_6$Sn$_6$ | Kagome metals with charge density wave (CDW) order exhibit a broad spectrum
of intriguing quantum phenomena. The recent discovery of the novel kagome CDW
compound ScV$_6$Sn$_6$ has spurred significant interest. However, understanding
the interplay between CDW and the bulk electronic structure has been obscured
by a pro... | 2402.02341v1 |
2024-03-22 | Spectrum of $S$- and $P$-wave $cc\bar{q}\bar{q}'$ $(\bar{q},\bar{q}' = \bar{u}, \bar{d}, \bar{s})$ systems in a chiral SU(3) quark model | Inspired by the resonance $T_{cc}^+(3875)$ recently observed by the LHCb
Collaboration, we systematically explore the $S$- and $P$-wave
$cc\bar{q}\bar{q}'$ $(\bar{q},\bar{q}' = \bar{u}, \bar{d}, \bar{s})$ systems in
a chiral SU(3) quark model. The Hamiltonian contains the kinetic energy, the
one-gluon-exchange (OGE) po... | 2403.15187v1 |
2024-04-07 | Element-specific ultrafast lattice dynamics in FePt nanoparticles | Light-matter interaction at the nanoscale in magnetic alloys and
heterostructures is a topic of intense research in view of potential
applications in high-density magnetic recording. While the element-specific
dynamics of electron spins is directly accessible to resonant x-ray pulses with
femtosecond time structure, th... | 2404.04980v2 |
2012-04-12 | Quantum Decoherence of the Central Spin in a Sparse System of Dipolar Coupled Spins | The central spin decoherence problem has been researched for over 50 years in
the context of both nuclear magnetic resonance and electron spin resonance.
Until recently, theoretical models have employed phenomenological stochastic
descriptions of the bath-induced noise. During the last few years, cluster
expansion meth... | 1204.2834v2 |
2005-01-31 | Leading Wave as a Component of the Spiral Pattern of the Galaxy | The spiral pattern of the Galaxy identified by analyzing the kinematics of
young stars within 3 kpc of the Sun is Fourier decomposed into spiral
harmonics. The spiral pattern of the Galaxy is shown to be representable as a
superposition of trailing and leading waves with interarm distances of
1.8(+/-0.4) kpc and 4(+/-2... | 0501673v1 |
1997-08-21 | Amplitude equations for coupled electrostatic waves in the limit of weak instability | We consider the simplest instabilities involving multiple unstable
electrostatic plasma waves corresponding to four-dimensional systems of mode
amplitude equations. In each case the coupled amplitude equations are derived
up to third order terms. The nonlinear coefficients are singular in the limit
in which the linear ... | 9708004v1 |
2001-12-26 | Stationary states of Jaynes-Cummings model with atomic center-of-mass quantum motion: direct comparison of standing-wave and counterpropagating-waves cases | The eigenstate problem of the Jaynes-Cummings model on the basis of complete
Hamiltonian, including the center-of -mass kinetic energy operator, is treated.
The energy spectrum and wave functions in standing-wave (SW)- and
counterpropagating waves (CPW)- cases are calculated and compared with each
other. It is shown th... | 0112164v1 |
2004-09-10 | Quantum shutter approach to tunneling time scales with wave packets | The quantum shutter approach to tunneling time scales (G. Garc\'{\i
}a-Calder\'{o}n and A. Rubio, Phys. Rev. A \textbf{55}, 3361 (1997)), which
uses a cutoff plane wave as the initial condition, is extended in such a way
that a certain type of wave packet can be used as the initial condition. An
analytical expression f... | 0409060v3 |
2007-08-30 | Resonant Atom Traps for Electromagnetic Waves | Exitation of atomic levels due to interaction with electromagnetic waves has
been the subject of numerous works, both experimental and theoretical. This
topic became of interest in accelerator physics in relation to high efficiency
charge exchange injection into rings for high beam power applications. Taking
equations ... | 0708.4055v1 |
2009-06-26 | Transient effects and reconstruction of the energy spectra in the time evolution of transmitted Gaussian wave packets | We derive an exact analytical solution to the time-dependent Schr\"odinger
equation for transmission of a Gaussian wave packet through an arbitrary
potential of finite range. We consider the situation where the initial Gaussian
wave packet is sufficiently broad in momentum space to guarantee that the
resonance structur... | 0906.4994v2 |
2011-03-14 | Poles, the only true resonant-state signals, are extracted from a worldwide collection of partial wave amplitudes using only one, well controlled pole-extraction method | Each and every energy dependent partial-wave analysis is parameterizing the
pole positions in a procedure defined by the way how the continuous energy
dependence is implemented. These pole positions are, henceforth, inherently
model dependent. To reduce this model dependence, we use only one,
coupled-channel, unitary, ... | 1103.2653v1 |
2011-03-17 | Heating of ions by low-frequency Alfvén waves in partially ionized plasmas | In the solar atmosphere, the chromospheric and coronal plasmas are much
hotter than the visible photosphere. The heating of the solar atmosphere,
including the partially ionized chromosphere and corona, remains largely
unknown. In this paper we demonstrate that the ions can be substantially heated
by Alfv\'{e}n waves w... | 1103.3328v1 |
2011-12-27 | Conversion of terahertz wave polarization at the boundary of a layered superconductor due to the resonance excitation of oblique surface waves | We predict a complete TM-TE transformation of the polarization of terahertz
electromagnetic waves reflected from a strongly anisotropic boundary of a
layered superconductor. We consider the case when the wave is incident on the
superconductor from a dielectric prism separated from the sample by a thin
vacuum gap. The p... | 1112.5924v1 |
2012-01-24 | Measuring the phase of the scattering amplitude with vortex beams | We show that colliding vortex beams instead of (approximate) plane waves can
lead to a direct measurement of how the overall phase of the plane wave
scattering amplitude changes with the scattering angle. Since vortex beams are
coherent superpositions of plane waves with different momenta, their scattering
amplitude re... | 1201.5040v2 |
2012-02-21 | Wave functions of composite hadron states and relationship to couplings of scattering amplitudes for general partial waves | In this paper we present the connection between scattering amplitudes in
momentum space and wave functions in coordinate space, generalizing previous
work done for s-waves to any partial wave. The relationship to the wave
function of the residues of the scattering amplitudes at the pole of bound
states or resonances is... | 1202.4607v3 |
2012-11-05 | Ultralow frequency acoustic resonances and its potential for mitigating tsunami wave formation | Bubbles display astonishing acoustical properties since they are able to
absorb and scatter large amounts of energy coming from waves whose wavelengths
are two orders of magnitude larger than the bubble size. Thus, as the
interaction distance between bubbles is much larger than the bubble size,
clouds of bubbles exhibi... | 1211.1070v1 |
2013-06-12 | Alternate islands of multiple isochronous chains in wave-particle interactions | We analyze the dynamics of a relativistic particle moving in a uniform
magnetic field and perturbed by a standing electrostatic wave. We show that a
pulsed wave produces an infinite number of perturbative terms with the same
winding number, which may generate islands in the same region of phase space.
As a consequence,... | 1306.2682v3 |
2015-04-25 | Adiabatic asymmetric scattering of atoms in the field of a standing wave | A model of the asymmetric coherent scattering process (caused by initial
atomic wave-packet splitting in the momentum space) taking place at the large
detuning and adiabatic course of interaction for an effective two-state system
interacting with a standing wave of laser radiation is discussed. We show that
the same fo... | 1504.06675v1 |
2015-08-23 | Weak and strong interactions between dark solitons and dispersive waves | The effect of mutual interaction between dark solitons and dispersive waves
is investigated numerically and analytically. The condition of the resonant
scattering of dispersive waves on dark solitons is derived and compared against
the results of numerical simulations. It is shown that the interaction with
intense disp... | 1508.05596v1 |
2016-09-07 | Proton heating by pick-up ion driven cyclotron waves in the outer heliosphere: Hybrid expanding box simulations | Using one-dimensional hybrid expanding box model we investigate properties of
the solar wind in the outer heliosphere. We assume a proton-electron plasma
with a strictly transverse ambient magnetic field and, beside the expansion, we
take into account influence of a continuous injection of cold pick-up protons
through ... | 1609.01955v1 |
2017-12-22 | Shaping electron wave functions in a carbon nanotube with a parallel magnetic field | A magnetic field, through its vector potential, usually causes measurable
changes in the electron wave function only in the direction transverse to the
field. Here we demonstrate experimentally and theoretically that in carbon
nanotube quantum dots, combining cylindrical topology and bipartite hexagonal
lattice, a magn... | 1712.08545v5 |
2017-05-18 | Fluid-loaded metasurfaces | We consider wave propagation along fluid-loaded structures which take the
form of an elastic plate augmented by an array of resonators forming a
metasurface, that is, a surface structured with sub-wavelength resonators. Such
surfaces have had considerable recent success for the control of wave
propagation in electromag... | 1705.08407v1 |
2019-02-21 | The energy cascade of surface wave turbulence: toward identifying the active wave coupling | We investigate experimentally turbulence of surface gravity waves in the
Coriolis facility in Grenoble by using both high sensitivity local probes and a
time and space resolved stereoscopic reconstruction of the water surface. We
show that the water deformation is made of the superposition of weakly
nonlinear waves fol... | 1902.08013v1 |
2019-03-12 | Probing GHz Gravitational Waves with Graviton-magnon Resonance | A novel method for extending frequency frontier in gravitational wave
observations is proposed. It is shown that gravitational waves can excite a
magnon. Thus, gravitational waves can be probed by a graviton-magnon detector
which measures resonance fluorescence of magnons. Searching for gravitational
waves with a wave ... | 1903.04843v4 |
2021-02-19 | Quantum plasmon enhanced nonlinear wave mixing in graphene nanoflakes | A distant-neighbor quantum-mechanical method is used to study the nonlinear
optical wave mixing in graphene nanoflakes (GNFs), including sum- and
difference-frequency generation, as well as four-wave mixing. Our analysis
shows that molecular-scale GNFs support quantum plasmons in the visible
spectrum region, and signif... | 2102.09843v3 |
2021-02-23 | Scattering Problems via Real-time Wave Packet Scattering | In this paper, we use a straightforward numerical method to solve scattering
models in one-dimensional lattices based on a tight-binding band structure. We
do this by using the wave packet approach to scattering, which presents a more
intuitive physical picture than the traditional plane wave approach. Moreover,
a gene... | 2103.01027v2 |
2021-03-16 | Rotation-translation coupling of a double-headed brownian motor in a traveling-wave potential | Considering a double-headed Brownian motor moving with both translational and
rotational degrees of freedom, we investigate the directed transport properties
of the system in a traveling-wave potential. It is found that the traveling
wave provides the essential condition of the directed transport for the system,
and at... | 2103.09109v1 |
2022-08-25 | Path integral action for a resonant detector of gravitational waves in the generalized uncertainty principle framework | The Heisenberg uncertainty principle gets modified by the introduction of an
observer independent minimal length. In this work we have considered the
resonant gravitational wave detector in the modified uncertainty principle
framework where we have used the position momentum uncertainty relation with a
quadratic order ... | 2208.12162v1 |
2023-04-17 | Derivation of a generalized quasi-geostrophic approximation for inviscid flows in a channel domain: The fast waves correction | This paper is devoted to investigating the rotating Boussinesq equations of
inviscid, incompressible flows with both fast Rossby waves and fast internal
gravity waves. The main objective is to establish a rigorous derivation and
justification of a new generalized quasi-geostrophic approximation in a channel
domain with... | 2304.08303v1 |
2006-08-03 | Two interacting spins in external fields. Four-level systems | In the present article, we consider the so-called two-spin equation that
describes four-level quantum systems. Recently, these systems attract attention
due to their relation to the problem of quantum computation. We study general
properties of the two-spin equation and show that the problem for certain
external backgr... | 0608036v1 |
2013-04-10 | Magnetization and spin dynamics of the spin S=1/2 hourglass nanomagnet Cu5(OH)2(NIPA)4*10H2O | We report a combined experimental and theoretical study of the spin S=1/2
nanomagnet Cu5(OH)2(NIPA)4*10H2O (Cu5-NIPA). Using thermodynamic, electron spin
resonance and 1H nuclear magnetic resonance measurements on one hand, and ab
initio density-functional band-structure calculations, exact diagonalizations
and a stron... | 1304.2826v1 |
2013-07-23 | Harnessing nuclear spin polarization fluctuations in a semiconductor nanowire | Soon after the first measurements of nuclear magnetic resonance (NMR) in a
condensed matter system, Bloch predicted the presence of statistical
fluctuations proportional to $1/\sqrt{N}$ in the polarization of an ensemble of
$N$ spins. First observed by Sleator et al., so-called "spin noise" has
recently emerged as a cr... | 1307.6007v1 |
2016-06-15 | Quantum Computing with Acceptor Spins in Silicon | The states of a boron acceptor near a Si/SiO2 interface, which bind two
low-energy Kramers pairs, have exceptional properties for encoding quantum
information and, with the aid of strain, both heavy hole and light hole-based
spin qubits can be designed. Whereas a light-hole spin qubit was introduced
recently [Phys. Rev... | 1606.04697v1 |
2019-06-18 | Nuclear magnetic resonance spectroscopy with a superconducting flux qubit | We theoretically analyze the performance of the nuclear magnetic resonance
(NMR) spectroscopy with a superconducting flux qubit (FQ). Such NMR with the FQ
is attractive because of the possibility to detect the relatively small number
of nuclear spins in a local region ($\sim\mu$m) with low temperatures ($\sim$
mK) and ... | 1906.07386v1 |
2020-09-29 | High-fidelity single-shot readout of single electron spin in diamond with spin-to-charge conversion | High fidelity single-shot readout of qubits is a crucial component for
fault-tolerant quantum computing and scalable quantum networks. In recent
years, the nitrogen-vacancy (NV) center in diamond has risen as a leading
platform for the above applications. The current single-shot readout of the NV
electron spin relies o... | 2009.14172v1 |
2008-06-28 | Spin-dependent scattering in a silicon transistor | The scattering of conduction electrons off neutral donors depends sensitively
on the relative orientation of their spin states. We present a theory of
spin-dependent scattering in the two dimensional electron gas (2DEG) of field
effect transistors. Our theory shows that the scattering mechanism is dominated
by virtual ... | 0806.4638v3 |
2020-10-23 | Room Temperature Coherent Control of Spin Defects in hexagonal Boron Nitride | Optically active defects in solids with accessible spin states are promising
candidates for solid state quantum information and sensing applications. To
employ these defects as quantum building blocks, coherent manipulation of their
spin state is required. Here we realize coherent control of ensembles of boron
vacancy ... | 2010.12513v1 |
2022-08-31 | Single spin Landau-Zener-Stückelberg-Majorana interferometry of Zeeman-split states with strong spin-orbit interaction in a double quantum dot | Single spin state evolution induced by the
Landau-Zener-St\"uckelberg-Majorana (LZSM) interference in a Zeeman-spit four
level system in a periodically driven double quantum dot is studied
theoretically by the Floquet stroboscopic method. An interplay between
spin-conserving and spin-flip tunneling processes with the E... | 2208.14965v3 |
2022-12-17 | Electronic Density of States of a $U\left(1\right)$ Quantum Spin Liquid with Spinon Fermi Surface. II. Zeeman Magnetic Field Effects | The Zeeman effect lowers the energy of electrons with spin states which are
anti-parallel to the applied magnetic field but lifts that of spin parallel
states. In quantum spin liquids where the spin and charge degrees of freedom
are fractionalized, anomalous Zeeman response may be expected. In the case of
spin liquids ... | 2212.08768v3 |
2023-02-09 | Spin-dependent recombination mechanisms for quintet bi-excitons generated through singlet fission | We investigate the physical mechanisms for spin-dependent recombination of a
strongly bound pair of triplet excitons generated by singlet fission and
forming a spin quintet (total spin of two) bi-exciton. For triplet excitons the
spin-dependent recombination pathways can involve intersystem crossing or
triplet-triplet ... | 2302.04678v2 |
2024-04-08 | Effect of collective spin excitation on electronic transport in topological spin texture | We develop an efficient real-time simulation method for the spin-charge
coupled system in the velocity gauge. This method enables us to compute the
real-time simulation for the two-dimensional system with the complex spin
texture. We focus on the effect of the collective excitation of the localized
spins on the electro... | 2404.05204v1 |
1999-11-30 | Anomalous resonance phenomena of solitary waves with internal modes | We investigate the non-parametric, pure ac driven dynamics of nonlinear
Klein-Gordon solitary waves having an internal mode of frequency $\Omega_i$. We
show that the strongest resonance arises when the driving frequency
$\delta=\Omega_i/2$, whereas when $\delta=\Omega_i$ the resonance is weaker,
disappearing for nonzer... | 9911487v1 |
2003-11-06 | Cyclotron resonance of correlated electrons in semiconductor heterostructures | The cyclotron resonance absorption of two-dimensional electrons in
semiconductor heterostructures in high magnetic fields is investigated. It is
assumed that the ionized impurity potential is a dominant scattering mechanism,
and the theory explicitly takes the Coulomb correlation effect into account
through the Wigner ... | 0311134v1 |
2004-04-29 | Resonant Interactions in Rotating Homogeneous Three-dimensional Turbulence | Direct numerical simulations of three-dimensional (3D) homogeneous turbulence
under rapid rigid rotation are conducted to examine the predictions of resonant
wave theory for both small Rossby number and large Reynolds number. The
simulation results reveal that there is a clear inverse energy cascade to the
large scales... | 0404055v1 |
1999-06-08 | Resonances and Off-Shell Characteristics of Effective Interactions | The importance of including experimental resonances in constructing effective
inter-cluster interactions has been investigated. For this, we first address
the question of how to obtain the analytical properties of the Jost function in
regions of physical interest on the complex k-plane when the potential is given
in a ... | 9906020v1 |
2003-08-23 | Model Dependence of the Properties of S11 Baryon Resonances | The properties of baryon resonances are extracted from a complicated process
of fitting sophisticated, empirical models to data. The reliability of this
process comes from the quality of data and the robustness of the models
employed. With the large of amount of data coming from recent experiments, this
is an excellent... | 0308066v2 |
2003-11-18 | Near-field enhancement and imaging in double planar polariton-resonant structures | It is shown that a system of two coupled planar material sheets possessing
surface mode (polariton) resonances can be used for the purpose of evanescent
field restoration and, thus, for the sub-wavelength near-field imaging. The
sheets are placed in free space so that they are parallel and separated by a
certain distan... | 0311089v1 |
2004-07-15 | Superconducting Phase Qubit Coupled to a Nanomechanical Resonator: Beyond the Rotating-Wave Approximation | We consider a simple model of a Josephson junction phase qubit coupled to a
solid-state nanoelectromechanical resonator. This and many related
qubit-resonator models are analogous to an atom in an electromagnetic cavity.
When the systems are weakly coupled and nearly resonant, the dynamics is
accurately described by th... | 0407106v1 |
2004-07-16 | Rigorous derivation of coherent resonant tunneling time and velocity in finite periodic systems | The velocity $v_{res}$ of resonant tunneling electrons in finite periodic
structures is analytically calculated in two ways. The first method is based on
the fact that a transmission of unity leads to a coincidence of all still
competing tunneling time definitions. Thus, having an indisputable resonant
tunneling time $... | 0407134v1 |
2007-06-26 | Resonant and Near-Resonant Internal Wave Interactions | We report evaluations of a resonant kinetic equation that suggest the slow
time evolution of the Garrett and Munk spectrum is {\em not}, in fact, slow.
Instead nonlinear transfers lead to evolution time scales that are smaller than
one wave period at high vertical wavenumber. Such values of the transfer rates
are incon... | 0706.3712v4 |
2008-03-01 | Spatial coherence resonance on diffusive and small-world networks of Hodgkin-Huxley neurons | Spatial coherence resonance in a spatially extended system that is locally
modeled by Hodgkin-Huxley (HH) neurons is studied in this paper. We focus on
the ability of additive temporally and spatially uncorrelated Gaussian noise to
extract a particular spatial frequency of excitatory waves in the medium,
whereby examin... | 0803.0070v1 |
2011-10-19 | Continuous-wave Cascaded-Harmonic Generation and Multi-Photon Raman Lasing in Lithium Niobate Whispering-Gallery Resonators | We report experimental demonstration of continuous-wave cascaded-harmonic
generation and Raman lasing in a millimeter-scale lithium niobate
whispering-gallery resonator pumped at a telecommunication-compatible infrared
wavelength. Intensity enhancement through multiple recirculations in the
whispering-gallery resonator... | 1110.4394v1 |
2012-02-21 | Extremely Low-Loss Acoustic Phonons in a Quartz Bulk Acoustic Wave Resonator at Millikelvin Temperature | Low-loss, high frequency acoustic resonators cooled to millikelvin
temperatures are a topic of great interest for application to hybrid quantum
systems. When cooled to 20 mK, we show that resonant acoustic phonon modes in a
Bulk Acoustic Wave (BAW) quartz resonator demonstrate exceptionally low loss
(with $Q$-factors o... | 1202.4556v2 |
2012-04-24 | Parametric four-wave mixing toolbox for superconducting resonators | We study a superconducting circuit that can act as a toolbox to generate
various Bogoliubov-linear and nonlinear quantum operations on the microwave
photon modes of superconducting resonators within one single circuit. The
quantum operations are generated by exploring dispersive four-wave mixing (FWM)
processes involvi... | 1204.5450v2 |
2013-03-04 | Exact conservation and breaking of pseudospin symmetry in single particle resonant states | In this contribution we present some results on the study of pseudospin
symmetry (PSS) in single particle resonant states. The PSS is a relativistic
dynamical symmetry connected with the small component of the nucleon Dirac wave
function. Many efforts have been made to study this symmetry in bound states.
We recently g... | 1303.0630v1 |
2013-03-21 | Resonance phenomena in the interaction of a many-photon wave packet and a qubit | We demonstrate that a highly excited quantum electromagnetic mode strongly
interacting with a single qubit exhibits several distinct resonances in
addition to the Bloch-Siegert resonance condition that arises in the
interaction with classical radiation. The resonance phenomena are associated
with non-classical effects:... | 1303.5256v1 |
2014-04-24 | The composite nature of the $Λ(1520)$ resonance | Recently, the Weinberg compositeness condition of a bound state was
generalized to account for resonant states and higher partial waves. We apply
this extension to the case of the $\Lambda(1520)$ resonance and quantify the
weight of the meson-baryon components in contrast to other possible genuine
building blocks. This... | 1404.6128v2 |
2014-10-03 | Vortices at the magnetic equator generated by hybrid Alfven resonant waves | We performed three-dimensional magnetohydrodynamic simulations of shear
Alfven waves in a full field line system with magnetosphere-ionosphere coupling
and plasma non-uniformities. Feedback instability of the Alfven resonant modes
showed various nonlinear features under the field line cavities: i) a secondary
flow shea... | 1410.0764v1 |
2014-12-05 | Resonant and non-resonant whistlers-particle interaction in the radiation belts | We study the wave-particle interactions between lower band chorus whistlers
and an anisotropic tenuous population of relativistic electrons. We present the
first direct comparison of first-principle Particle-in-Cell (PIC) simulations
with a quasi-linear diffusion code, in this context. In the PIC approach, the
waves ar... | 1412.2008v1 |
2015-10-20 | Complex contact-based dynamics of microsphere monolayers revealed by resonant attenuation of surface acoustic waves | Contact-based vibrations play a critical role in the dynamics of granular
materials. Significant insights into vibrational granular dynamics have been
obtained with reduced-dimensional systems containing macroscale particles. We
study contact-based vibrations of a two-dimensional monolayer of micron-sized
spheres on a ... | 1510.05975v1 |
2016-01-06 | Properties of wideband resonant reflectors under fully conical light incidence | Applying numerical modeling coupled with experiments, we investigate the
properties of wideband resonant reflectors under fully conical light incidence.
We show that the wave vectors pertinent to resonant first-order diffraction
under fully conical mounting vary less with incident angle than those
associated with refle... | 1601.01333v1 |
2017-09-21 | Limitations of rotating-wave approximation in magnetic resonance: Characterization and elimination of the Bloch-Siegert shift in magneto-optics | We present investigations of radio-frequency resonances observed in a
rubidium vapor. With measurements of a systematic shift of radio-frequency
resonances, induced by an off-resonance component of an oscillating field (the
Bloch-Siegert shift), we demonstrate limitations of the rotating-wave
approximation. Experimenta... | 1709.07194v3 |
2017-12-28 | Ultrathin wave plates based on bi-resonant silicon Huygens' metasurfaces | An all-dielectric Huygens metasurface supporting electric and magnetic
resonances is a promising platform for a variety of optical applications that
require a combination of extremely high transmission and broad-range control of
the phase of the transmitted light. A highly efficient wave plate is one
example of such an... | 1712.10064v1 |
2018-09-14 | Topological Fano Resonances | The Fano resonance is a widespread wave scattering phenomenon associated with
a peculiar asymmetric and ultra-sharp line shape, which has found applications
in a large variety of prominent optical devices. While its substantial
sensitivity to geometrical and environmental changes makes it the cornerstone
of efficient s... | 1809.05389v1 |
2019-11-22 | Resonant field enhancement near bound states in the continuum on periodic structures | On periodic structures sandwiched between two homogeneous media, a bound
state in the continuum (BIC) is a guided Bloch mode with a frequency within the
radiation continuum. BICs are useful, since they give rise to high
quality-factor ($Q$-factor) resonances that enhance local fields for
diffraction problems with given... | 1911.10058v1 |
2019-06-18 | Atomic Resonant Single-Mode Squeezed Light from Four-Wave Mixing through Feedforward | Squeezed states of light have received renewed attention due to their
applicability to quantum-enhanced sensing. To take full advantage of their
reduced noise properties to enhance atomic-based sensors, it is necessary to
generate narrowband near or on atomic resonance single-mode squeezed states of
light. We have prev... | 1906.07666v1 |
2017-10-12 | Resonant Mode Conversion of the Second Sound to the First Sound in Liquid Helium II | The experimentally observed disappearance below T = 0.5K of the second sound
in liquid He II as a separate wave mode and its subsequent propagation at the
speed of the first sound (Peshkov [3]) may be interpreted as a resonant mode
conversion of the second sound to the first sound. Near the resonant mode
coupling point... | 1710.04593v2 |
2020-09-28 | Metasurface Reflector with Real-Time Independent Magnitude and Phase Control | A novel metasurface unit cell architecture is proposed to enable independent
control of the reflection magnitude and phase at a desired operation frequency,
while maintaining linear polarization of the incoming fields. The proposed
structure is based on a coupled-resonator configuration where a Dipole Ring
Resonator (D... | 2009.13369v1 |
2008-06-26 | Electromagnetically-Induced-Transparency-Like Effect in the Degenerate Triple-Resonant Optical Parametric Amplifier | We investigate experimentally the absorptive and dispersive properties of
triple-resonant optical parametric amplifier OPA for the degenerate subharmonic
field. In the experiment, the subharmonic field is utilized as the probe field
and the harmonic wave as the pump field. We demonstrate that EIT-like effect
can be sim... | 0806.4218v1 |
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