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2021-09-30 | Spin-Wave Quantum Computing with Atoms in a Single-Mode Cavity | We present a method for network-capable quantum computing that relies on
holographic spin-wave excitations stored collectively in ensembles of qubits.
We construct an orthogonal basis of spin waves in a one-dimensional array and
show that high-fidelity universal linear controllability can be achieved using
only phase s... | 2109.15252v1 |
2021-12-21 | Nonreciprocal spin-wave dynamics in Pt/Co/W/Co/Pt multilayers | We present a detailed study of the spin-wave dynamics in single Pt/Co/W and
double Pt/Co/W/Co/Pt ferromagnetic layer systems. The dispersion of spin waves
was measured by wavevector-resolved Brillouin light scattering spectroscopy
while the in-plane and out-of-plane magnetization curves were measured by
alternating gra... | 2112.11206v1 |
2022-01-11 | All-sky analysis of astrochronometric signals induced by gravitational waves | We introduce a unified formalism to describe both timing and astrometric
perturbations induced on astrophysical point sources by gravitational waves
using a complex spin field on the sphere. This allows the use of spin-weighted
spherical harmonics to analyse "astrochronometric" observables. This approach
simplifies the... | 2201.03903v1 |
2022-04-11 | On the "old" and "new" relativistic wave equations for the particle having spin s=3/2 | Relativistic wave equation of motion without redundant components for the
particle having spin 3/2 has been considered. In order to show the newness a
comparison with the known equations for the spin s=3/2 field is given.
Therefore, the brief review of the relativistic wave equations for the particle
with spin s=3/2 is... | 2204.05167v2 |
2022-05-05 | Spin-wave localization on phasonic defects in one-dimensional magnonic quasicrystal | We report on the evolution of the spin-wave spectrum under structural
disorder introduced intentionally into one-dimensional magnonic quasicrystal.
We study theoretically a system composed of ferromagnetic strips arranged in a
Fibonacci sequence. We considered several stages of disorder in the form of
phasonic defects,... | 2205.02702v2 |
2022-07-07 | Experimental Demonstration of High-Performance Physical Reservoir Computing with Nonlinear Interfered Spin Wave Multi-Detection | Physical reservoir computing, which is a promising method for the
implementation of highly efficient artificial intelligence devices, requires a
physical system with nonlinearity, fading memory, and the ability to map in
high dimensions. Although it is expected that spin wave interference can
perform as highly efficien... | 2207.03216v1 |
2022-08-24 | Stimulated amplification of propagating spin waves | Spin-wave amplification techniques are key to the realization of magnon-based
computing concepts. We introduce a novel mechanism to amplify spin waves in
magnonic nanostructures. Using the technique of rapid cooling, we create a
non-equilibrium state in excess of high-energy magnons and demonstrate the
stimulated ampli... | 2208.11455v2 |
2022-11-01 | Nonlocal optical conductivity of Fermi surface nesting materials | We investigate the nonlocal optical conductivity of Fermi surface nesting
materials which support charge density waves or spin density waves. The
nonlocal optical conductivity contains information of correlations in electron
fluids which could not be accessed by standard optical probes. Half metal
emerges from doping a... | 2211.00244v1 |
2022-12-13 | Spin wave spectra of single crystal CoPS$_3$ | The spin waves in single crystals of the layered van der Waals
antiferromagnet CoPS$_3$ have been measured using inelastic neutron scattering.
The data show four distinct spin wave branches with large ($\gtrsim 14$ meV)
energy gaps at the Brillouin zone center indicating significant anisotropy. The
data were modelled u... | 2212.06479v1 |
2023-02-14 | Singlet, Triplet and Pair Density Wave Superconductivity in the Doped Triangular-Lattice Moiré System | Recent experimental progress has established the twisted bilayer transition
metal dichalcogenide (TMD) as a highly tunable platform for studying many-body
physics. Particularly, the homobilayer TMDs under displacement field are
believed to be described by a generalized triangular-lattice Hubbard model with
a spin-depen... | 2302.06765v3 |
2023-04-17 | Geometric phase and a nonreciprocal spin wave circular polarizer | We show that spin wave acquires a polarization-dependent geometric phase
along a cyclic trajectory of non-coplanar magnetizations in antiferromagnets.
Specifically, we demonstrate that a cyclic set of 90 degree antiferromagnetic
domain walls simultaneously introduce geometric and dynamic phases to spin
wave, and thus l... | 2304.08071v1 |
2023-07-14 | Gravitational partial-wave absorption from scattering amplitudes | We study gravitational absorption effects using effective on-shell scattering
amplitudes. We develop an in-in probability-based framework involving plane-
and partial-wave coherent states for the incoming wave to describe the
interaction of the wave with a black hole or another compact object. We connect
this framework... | 2307.07504v3 |
2023-12-28 | Quantum Weyl-Heisenberg antiferromagnet | Beginning from the conventional square-lattice nearest-neighbor
antiferromagnetic Heisenberg model, we allow the $J_x$ and $J_y$ couplings to
be anisotropic, with their values depending on the bond orientation. The
emergence of anisotropic, bond-dependent, couplings should be expected to occur
naturally in most antifer... | 2312.17028v1 |
2023-12-31 | Multiplexed entanglement swapping with atomic-ensemble-based quantum memories in the single excitation regime | Entanglement swapping (ES) between memory repeater links is critical for
establishing quantum networks via quantum repeaters. So far, ES with
atomic-ensemble-based memories has not been achieved. Here, we experimentally
demonstrated ES between two entangled pairs of spin-wave memories via
Duan-Lukin-Cirac-Zoller scheme... | 2401.00519v1 |
2024-03-23 | Spatial Control of Hybridization-Induced Spin-Wave Transmission Stop Band | Spin-wave (SW) propagation close to the hybridization-induced transmission
stop band is investigated within a trapezoid-shaped 200\,nm thick yttrium iron
garnet (YIG) film using time-resolved magneto-optic Kerr effect (TR-MOKE)
microscopy and broadband spin wave spectroscopy, supported by micromagnetic
simulations. The... | 2403.15840v1 |
2008-09-16 | Non-Statistical Effects in Neutron Capture | There have been many reports of non-statistical effects in neutron-capture
measurements. However, reports of deviations of reduced-neutron-width
distributions from the expected Porter-Thomas (PT) shape largely have been
ignored. Most of these deviations have been reported for odd-A nuclides.
Because reliable spin (J) a... | 0809.2762v1 |
2002-10-15 | Nonthermal Emissions from Particles Accelerated by Turbulence in Clusters of Galaxies | We consider nonthermal emission from clusters of galaxies produced by
particle acceleration by resonant scattering of Alfv\'{e}n waves driven by
fluid turbulence through the Lighthill mechanism in the intracluster medium. We
assume that the turbulence is driven by cluster mergers. We find that the
resonant Alfv\'{e}n w... | 0210320v1 |
1999-04-01 | Dimer-Type Correlations and Band Crossings in Fibonacci Lattices | Fibonacci system with both diagonal and off-diagonal disorder is mapped to a
model with dimer type 'defects'. The model exhibit resonance transition
corresponding to zero reflectance condition resulting in extended states in the
system. These Bloch-type states reside on the line of inversion symetry of the
energy spect... | 9904022v1 |
2002-11-15 | Fano resonances with discrete breathers | A theoretical study of linear wave scattering by time-periodic spatially
localized excitations (discrete breathers (DB)) is presented. We obtain that
the wave propagation is strongly influenced by a local coupling between an open
and closed channels generated by the DB. A peculiar effect of total reflection
occurs due ... | 0211313v1 |
2003-11-24 | Soft x-ray resonant diffraction study of magnetic and orbital correlations in a manganite near half-doping | We have utilized the resonant x-ray diffraction technique at the Mn L-edge in
order to directly compare magnetic and orbital correlations in the Mn
sub-lattice of Pr0.6Ca0.4MnO3. The resonant line shape is measured below T_OO ~
240 K at the orbital ordering wave vector (0,1/2,0), and below T_N ~ 175 K at
the antiferrom... | 0311553v1 |
2004-08-31 | Handedness of magnetic-dipolar modes in ferrite disks | For magnetic-dipolar modes in a ferrite, components of the magnetic flux
density in a helical coordinate system are dependent on both an orientation of
a gyration vector and a sign of a pitch. It gives four types of helical
harmonics for magnetostatic-potential wave functions in a ferrite disk. Because
of the reflectio... | 0408682v2 |
2005-02-24 | 3-mode detection for widening the bandwidth of resonant gravitational wave detectors | We have implemented a novel scheme of signal readout for resonant
gravitational wave detectors. For the first time, a capacitive resonant
transducer has been matched to the signal amplifier by means of a tuned high Q
electrical resonator. The resulting 3-mode detection scheme widens
significantly the bandwidth of the d... | 0502101v1 |
2004-03-03 | Analytic continuation of single-particle resonance energy and wave function in relativistic mean field theory | Single-particle resonant states in spherical nuclei are studied by an
analytic continuation in the coupling constant (ACCC) method within the
framework of the self-consistent relativistic mean field (RMF) theory. Taking
the neutron resonant state $\nu 1g_{9/2}$ in $^{60}$Ca as an example, we
examine the analyticity of ... | 0403013v1 |
2004-06-17 | Presence of Extra P11 Resonances in Zagreb Analysis Since 1995 | The partial wave T-matrices for the pi N, eta N and pi2 N channels have been
obtained within the framework of the coupled channel model using the pi N
elastic and pi N --> eta N data base as input. It has been shown that for the
P11 partial wave an equally good representation of the experimental data
(namely the T(pi N... | 0406058v1 |
2005-12-01 | Anatomy of three-body decay III. Energy distributions | We address the problem of calculating momentum distributions of particles
emerging from the three-body decay of a many-body resonance. We show that these
distributions are determined by the asymptotics of the coordinate-space
complex-energy wave-function of the resonance. We use the hyperspherical
adiabatic expansion m... | 0512003v1 |
2002-02-15 | Complex Response Function of Magnetic Resonance Spectrometers | A vectorial analysis of magnetic resonance spectrometers, based on traveling
wave resonators and including the reference arm and the automatic control of
frequency, has been developed. The proposed model, valid also for stationary
wave resonators, gives the response function of the spectrometer for any
working conditio... | 0202045v3 |
2004-10-16 | Plasma heating due to X-B mode conversion in a cylindrical ECR plasma system | Extra Ordinary (X) mode conversion to Bernstein wave near Upper Hybrid
Resonance (UHR) layer plays an important role in plasma heating through
cyclotron resonance. Wave generation at UHR and parametric decay at high power
has been observed during Electron Cyclotron Resonance (ECR) heating experiments
in toroidal magnet... | 0410112v2 |
2006-04-04 | Vertical beaming of wavelength-scale photonic crystal resonators | We report that $> 80%$ of the photons generated inside a photonic crystal
slab resonator can be funneled within a small divergence angle of $\pm
30^\circ$. The far-field radiation properties of a photonic crystal slab
resonant mode are modified by tuning the cavity geometry and by placing a
reflector below the cavity. ... | 0604019v2 |
2000-06-10 | Dynamical description of the buildup process in resonant tunneling: Evidence of exponential and non-exponential contributions | The buildup process of the probability density inside the quantum well of a
double-barrier resonant structure is studied by considering the analytic
solution of the time dependent Schr\"{o}dinger equation with the initial
condition of a cutoff plane wave. For one level systems at resonance condition
we show that the bu... | 0006052v1 |
2004-07-13 | Stark Effect in Lax-Phillips Theory | The scattering theory of Lax and Phillips, originally developed to describe
resonances associated with classical wave equations, has been recently extended
to apply as well to the case of the Schroedinger equation in the case that the
wave operators for the corresponding Lax-Phillips theory exist. It is known
that the ... | 0407088v1 |
2007-08-19 | Unusual Resonators: Plasmonics, Metamaterials, and Random Media | Superresolution, extraordinary transmission, total absorption, and
localization of electromagnetic waves are currently attracting growing
attention. These phenomena are related to different physical objects and are
usually studied within the context of different, sometimes rather
sophisticated, physical approaches. Rem... | 0708.2653v3 |
2007-08-24 | Resonant electromagnetic emission from intrinsic Josephson-junction stacks with laterally modulated Josephson critical current | Intrinsic Josephson-junction stacks realized in mesas fabricated out of
high-temperature superconductors may be used as sources of coherent
electromagnetic radiation in the terahertz range. The major challenge is to
synchronize Josephson oscillations in all junctions in the stack to get
significant radiation out of the... | 0708.3269v4 |
2009-04-01 | Nanogap Transducer for Broadband Gravitational Wave Detection | By changing from a resonant multimode paradigm to a free mass paradigm for
transducers in resonant mass gravitational wave detection, an array of six
spheres can achieve a sensitivity response curve competitive with
interferometers, being as sensitive as GEO600 and TAMA300 in the 3 to 6 kHz
band and more sensitive than... | 0904.0055v2 |
2009-11-11 | Saturation of Stationary Inversion States in a Three-Level Traveling-Wave Quantum Amplifier with Bistable Resonator Pumping | The inversion states of a saturated traveling-wave three-level quantum
paramagnetic amplifier have been investigated under conditions of bistable
resonator pumping. The equations of motion for the vectorial order parameter
have been obtained using adiabatic elimination of fast variables. The exact
solutions for station... | 0911.2124v1 |
2010-05-13 | Multi-Atomic Mirror for Perfect Reflection of Single Photons in A Wide Band of Frequency | A resonant two level atom doped in one dimensional waveguide behaves as a
mirror, but this single-atom "mirror" can only reflect single photon perfectly
at a specific frequency. For a one dimensional coupled-resonator waveguide, we
propose to extend the perfect reflection region from a specific frequency to a
wide band... | 1005.2274v3 |
2011-05-03 | Theoretical study of the two-proton halo candidate $^{17}$Ne including contributions from resonant continuum and pairing correlations | With the relativistic Coulomb wave function boundary condition, the energies,
widths and wave functions of the single proton resonant orbitals for $^{17}$Ne
are studied by the analytical continuation of the coupling constant (ACCC)
approach within the framework of the relativistic mean field (RMF) theory.
Pairing corre... | 1105.0504v4 |
2012-01-16 | Super-sharp resonances in chaotic wave scattering | Wave scattering in chaotic systems can be characterized by its spectrum of
resonances, $z_n=E_n-i\frac{\Gamma_n}{2}$, where $E_n$ is related to the energy
and $\Gamma_n$ is the decay rate or width of the resonance. If the
corresponding ray dynamics is chaotic, a gap is believed to develop in the
large-energy limit: alm... | 1201.3326v1 |
2012-01-23 | Nonlinear problems of complex natural systems: Sun and climate dynamics | Universal role of the nonlinear one-third subharmonic resonance mechanism in
generation of the strong fluctuations in such complex natural dynamical systems
as global climate and global solar activity is discussed using wavelet
regression detrended data. Role of the oceanic Rossby waves in the year-scale
global tempera... | 1201.4679v1 |
2013-06-17 | Continuous reversal of Hanle resonances of counter-propagating pulse and continuous-wave field | In this work we study propagation dynamics of the two counter-propagating
lasers, the continuous-wave (CW) laser and the pulse of another laser, when
both lasers are tuned to the $F_{g}=2 \rightarrow F_{e}=1$ transition in
$^{87}$Rb, and therefore can develop Hanle electromagnetically induced
transparency (EIT) in Rb v... | 1306.3944v1 |
2013-07-11 | Resonant enhancement of Anderson localization: Analytical approach | We study localization properties of the eigenstates and wave transport in
one-dimensional system consisting of a set of barriers/wells of fixed thickness
and random heights. The inherent peculiarity of the system resulting in the
enhanced Anderson localization, is the presence of the resonances emerging due
to the cohe... | 1307.3202v1 |
2013-10-30 | Sub-Micron Positioning of Trapped Ions with Respect to the Absolute Center of a Standing Wave Cavity Field | We demonstrate that it is possible, with sub-micron precision, to locate the
absolute center of a Fabry-P\'erot resonator oriented along the rf-field-free
axis of a linear Paul trap through the application of two simultaneously
resonating optical fields. In particular, we apply a probe field, which is
near-resonant wit... | 1310.8333v1 |
2013-11-13 | Recent progresses on the pseudospin symmetry in single particle resonant states | The pseudospin symmetry (PSS) is a relativistic dynamical symmetry directly
connected with the small component of the nucleon Dirac wave function. Much
effort has been made to study this symmetry in bound states. Recently, a
rigorous justification of the PSS in single particle resonant states was
achieved by examining ... | 1311.3180v1 |
2013-12-12 | Precision spectroscopy with COMPASS and the observation of a new iso-vector resonance | We report on the results of a novel partial-wave analysis based on $50\cdot
10^6$ events from the reaction $\pi^- + p \to \pi^-\pi-^\pi^+ +
p_\text{recoil}$ at 190 $\text{GeV/c}$ incoming beam momentum using the COMPASS
spectrometer. A separated analysis in bins of $m_{3\pi}$ and four-momentum
transfer $t'$ reveals the... | 1312.3678v1 |
2013-12-28 | Reflection resonances in surface-disordered waveguides: strong higher-order effects of the disorder | We study coherent wave scattering through waveguides with a step-like surface
disorder and find distinct enhancements in the reflection coefficients at
well-defined resonance values. Based on detailed numerical and analytical
calculations, we can unambiguously identify the origin of these reflection
resonances to be hi... | 1312.7458v1 |
2013-12-30 | Plasmonic coupled-cavity system for enhancement of surface plasmon localization in plasmonic detectors | A plasmonic coupled-cavity system, which consists of a quarter-wave coupler
cavity, a resonant Fabry-Perot detector nanocavity, and an off-resonant
reflector cavity, is used to enhance the localization of surface plasmons in a
plasmonic detector. The coupler cavity is designed based on transmission line
theory and wave... | 1312.7632v1 |
2015-02-25 | Calculating broad neutron resonances in a cut-off Woods-Saxon potential | In a cut-off Woods-Saxon (CWS) potential with realistic depth $S$-matrix
poles being far from the imaginary wave number axis form a sequence where the
distances of the consecutive resonances are inversely proportional with the
cut-off radius value, which is an unphysical parameter. Other poles lying
closer to the imagi... | 1502.07111v5 |
2015-06-09 | Nonlinear waves in a strongly nonlinear resonant granular chain | We explore a recently proposed locally resonant granular system bearing
harmonic internal resonators in a chain of beads interacting via Hertzian
elastic contacts. In this system, we propose the existence of two types of
configurations: (a) small-amplitude periodic traveling waves and (b)
dark-breather solutions, i.e.,... | 1506.02827v1 |
2015-07-17 | Rabi oscillations in two-level systems beyond the rotating-wave approximation | Here we use perturbation techniques based on the averaging method to
investigate Rabi oscillations in cw and pulse-driven two-level systems (TLS's).
By going beyond the rotating-wave approximation, especifically to second-order
in perturbation, we obtain the Bloch-Siegert shift of the TLS resonant
frequency, in which t... | 1507.05124v1 |
2015-09-10 | A weighted estimate for two dimensional Schrodinger, matrix schrodinger and wave equations with resonance of first kind at zero energy | We study the two dimensional Schr\"odinger operator, $H=-\Delta+V$, in the
weighted L^1(\R^2) \rightarrow L^{\infty}(\R^2) setting when there is a
resonance of the first kind at zero energy. In particular, we show that if
|V(x)|\les \la x \ra ^{-3-} and there is only s-wave resonance at zero of H,
then \big\| w^{-1} \b... | 1509.03204v1 |
2015-10-07 | Supertransmission channel for an intrinsic localized mode in a 1D nonlinear physical lattice | It is well known that a moving intrinsic localized mode (ILM) in a nonlinear
physical lattice looses energy because of the resonance between it and the
underlying small amplitude plane wave spectrum. By exploring the Fourier
transform (FT) properties of the nonlinear force of a running ILM in a driven
and damped 1D non... | 1510.01810v1 |
2015-12-15 | Pulsed Rydberg four-wave mixing with motion-induced dephasing in a thermal vapor | We report on time-resolved pulsed four-wave mixing (FWM) signals in a thermal
Rubidium vapor involving a Rydberg state. We observe FWM signals with dephasing
times up to 7 ns, strongly dependent on the excitation bandwidth to the Rydberg
state. The excitation to the Rydberg state is driven by a pulsed two-photon
transi... | 1512.04843v1 |
2016-01-19 | Resonances and antibound states of Pöschl-Teller potential: Ladder operators and SUSY partners | We analyze the one dimensional scattering produced by all variations of the
P\"oschl-Teller potential, i.e., potential well, low and high barriers. We show
that the P\"oschl-Teller well and low barrier potentials have no resonance
poles, but an infinite number of simple poles along the imaginary axis
corresponding to b... | 1601.05134v1 |
2016-05-25 | Nonlinear and Quantum Optics with Whispering Gallery Resonators | Optical Whispering Gallery Modes (WGMs) derive their name from a famous
acoustic phenomenon of guiding a wave by a curved boundary observed nearly a
century ago. This phenomenon has a rather general nature, equally applicable to
sound and all other waves. It enables resonators of unique properties
attractive both in sc... | 1605.07972v2 |
2016-09-17 | Transmodal Fabry-Pérot Resonance: Theory and Realization with Elastic Metamaterials | We discovered a new transmodal Fabry-P\'erot resonance that one elastic-wave
mode is maximally transmitted to another when the phase difference of two
dissimilar modes through an anisotropic layer is exactly odd multiples of
{\pi}. Unlike the well-established Fabry-P\'erot resonance, the transmodal
resonance must invol... | 1609.05266v1 |
2016-09-22 | Double polarisation experiments in meson photoproduction | One of the remaining challenges within the standard model is to gain a good
understanding of QCD in the non-perturbative regime. A key step towards this
aim is baryon spectroscopy, investigating the spectrum and the properties of
baryon resonances. To gain access to resonances with small $\pi N$ partial
width, photopro... | 1609.06946v1 |
2016-10-17 | Broadband achromatic anomalous mirror in near-IR and visible frequency range | The anomalous achromatic mirror operating in near-IR and visible frequency
range was designed using an array of metal-insulator-metal (MIM) resonators. An
incident wave interacting with MIM resonator experiences phase shift that is
equal to the optical path travelled by the gap plasmon, excited by the wave.
The phase g... | 1610.05236v1 |
2017-07-25 | A positive-definite form of bounce-averaged quasilinear velocity diffusion for the parallel inhomogeneity in a tokamak | In this paper, the analytical form of the quasilinear diffusion coefficients
is modified from the Kennel-Engelmann diffusion coefficients to guarantee the
positive definiteness of its bounce average in a toroidal geometry. By
evaluating the parallel inhomogeneity of plasmas and magnetic fields in the
trajectory integra... | 1707.08030v2 |
2017-08-16 | The REsonant Multi-Pulse Ionization injection | The production of high-quality electron bunches in Laser Wake Field
Acceleration relies on the possibility to inject ultra-low emittance bunches in
the plasma wave. In this paper we present a new bunch injection scheme in which
electrons extracted by ionization are trapped by a large-amplitude plasma wave
driven by a t... | 1708.04957v1 |
2017-09-20 | Resonant quenching of plasmon energy dissipation in a metal film with nonlocal dielectric response | Evanescent waves in a metal thin film with nonlocality are found to propagate
in normal direction to film surface with quenched (to zero) energy dissipation
associated with intra-band electron transitions when wave numbers satisfy a
resonant condition. It is shown that resonant quenching of energy dissipation
(RQED) ef... | 1709.06701v1 |
2018-06-19 | Resonant Localized Modes in Electrical Lattices with Second Neighbor Coupling | We demonstrate experimentally and corroborate numerically that an electrical
lattice with nearest-neighbor and second-neighbor coupling can simultaneously
support long-lived coherent structures in the form of both standard intrinsic
localized modes (ILMs), as well as resonant ILMs. In the latter case, the wings
of the ... | 1806.07494v1 |
2018-11-01 | Approximate cloaking for electromagnetic waves via transformation optics: cloaking vs infinite energy | We study the approximate cloaking via transformation optics for
electromagnetic waves in the time harmonic regime in which the cloaking device
{\it only} consists of a layer constructed by the mapping technique. Due to the
fact that no-lossy layer is required, resonance might appear and the analysis
is delicate. We ana... | 1811.00406v1 |
2019-11-22 | I=3/2 nucleon-pion scattering and the Delta(1232) resonance on 2+1 flavor CLS ensembles using the stochastic LapH method | Calculations of the elastic $I=\frac{3}{2}$ nucleon-pion scattering phase
shifts on two lattice QCD ensembles with $m_\pi=200\mathrm{MeV}$ and
$280\mathrm{MeV}$ are presented. The ensembles both employ $N_\mathrm{f} = 2+1$
Wilson clover fermions. We determine the $\Delta(1232)$ resonance parameters
from a finite volume... | 1911.10021v1 |
2018-07-05 | Bound states in the continuum and high-Q resonances supported by a dielectric ridge on a slab waveguide | We investigate the diffraction of guided modes of a dielectric slab waveguide
on a simple integrated structure consisting of a single dielectric ridge on the
surface of the waveguide. Numerical simulations based on aperiodic rigorous
coupled-wave analysis demonstrate the existence of sharp resonant features and
bound s... | 1807.01888v1 |
2018-07-12 | Eta and Etaprime Photoproduction on the Nucleon with the Isobar Model EtaMAID2018 | The isobar model EtaMAID has been updated with new and high precision data
for eta and etaprime photoproduction on protons and neutrons from MAMI, ELSA,
GRAAL and CLAS. The background is described in a recently developed Regge-cut
model, and for the resonance part the whole list of nucleon resonances has been
investiga... | 1807.04525v2 |
2018-07-18 | Gravitational wave forest from string axiverse | Axions predicted in string theory may have a scalar potential which has a
much shallower potential region than the conventional cosine potential. We
first show that axions which were located at such shallow potential regions
generically undergo prominent resonance instabilities: the well-known narrow
resonance and/or t... | 1807.07037v1 |
2018-12-18 | Polygram Stars: Resonant Tidal Excitation of Fundamental Oscillation Modes in Asynchronous Stellar Coalescence | The prevalence of binary stars at close separations implies that many of
these systems will interact or merge during the binary's lifetime. This paper
presents hydrodynamic simulations of the scenario of binary coalescence through
unstable mass transfer, which drives the pair to closer separations. When the
donor star ... | 1812.07594v1 |
2020-04-06 | Dissipative Rabi model in the dispersive regime | The dispersive regime of circuit QED is the main workhorse for todays quantum
computing prototypes based on superconducting qubits. Analytic descriptions of
this model typically rely on the rotating wave approximation of the interaction
between the qubits and resonators, using the Jaynes-Cummings model as starting
poin... | 2004.02519v2 |
2020-04-25 | A new spectral analysis of stationary random Schrödinger operators | Motivated by the long-time transport properties of quantum waves in weakly
disordered media, the present work puts random Schr\"odinger operators into a
new spectral perspective. Based on a stationary random version of a Floquet
type fibration, we reduce the description of the quantum dynamics to a fibered
family of ab... | 2004.12025v3 |
2017-02-21 | Synthetic phonons enable nonreciprocal coupling to arbitrary resonator networks | Inducing nonreciprocal wave propagation is a fundamental challenge across a
wide range of physical systems in electromagnetics, optics, and acoustics.
Recent efforts to create nonreciprocal devices have departed from established
magneto-optic methods and instead exploited momentum based techniques such as
coherent spat... | 1702.06476v3 |
2017-09-29 | Broadening of Cyclotron Resonance Conditions in the Relativistic Interaction of an Intense Laser with Overdense Plasmas | The interaction of dense plasmas with an intense laser under a strong
external magnetic field has been investigated. When the cyclotron frequency for
the ambient magnetic field is higher than the laser frequency, the laser's
electromagnetic field is converted to the whistler mode that propagates along
the field line. B... | 1710.00099v1 |
2017-10-09 | Acoustic double negativity induced by position correlations within a disordered set of monopolar resonators | Using a Multiple Scattering Theory algorithm, we investigate numerically the
transmission of ultrasonic waves through a disordered locally resonant
metamaterial containing only monopolar resonators. By comparing the cases of a
perfectly random medium with its pair correlated counterpart, we show that the
introduction o... | 1710.03341v2 |
2017-10-10 | Resonant Electron Impact Excitation of 3d levels in Fe$^{14+}$ and Fe$^{15+}$ | We present laboratory spectra of the $3p$--$3d$ transitions in Fe$^{14+}$ and
Fe$^{15+}$ excited with a mono-energetic electron beam. In the energy dependent
spectra obtained by sweeping the electron energy, resonant excitation is
confirmed as an intensity enhancement at specific electron energies. The
experimental res... | 1710.03548v3 |
2019-05-22 | Gravitational Wave "Echo" Spectra | Exotic compact objects may resemble black holes very closely while remaining
horizonless. They may be distinguished from black holes because they
effectively give rise to a resonant cavity for the propagation of low frequency
gravity waves. In a Green's function approach, the resonance structure appears
in a transfer f... | 1905.09370v3 |
2020-03-06 | Resonant Very Low- and Ultra Low Frequency Digital Signal Reception Using a Portable Atomic Magnetometer | Radio communication through attenuating media necessitates the use of
very-low frequency (VLF) and ultra-low frequency (ULF) carrier bands, which are
frequently used in underwater and under-ground communication applications.
Quantum sensing techniques can be used to circumvent hard constraints on the
size, weight and n... | 2003.03267v1 |
2020-11-24 | Recoupling Mechanism for exotic mesons and baryons | The infinite chain of transitions of one pair of mesons (channel I) into
another pair of mesons (channel II) can produce bound states and resonances in
both channels even if no interactions inside channels exist. These resonances
which can occur also in meson-baryon channels are called channel-coupling (CC)
resonances.... | 2011.12326v3 |
2016-11-16 | On topology optimization of acoustic metamaterial lattices for locally resonant bandgaps of flexural waves | Optimized topology of bi-material acoustic metamaterial lattice plates is
studied for maximized locally resonant bandgap of flexural guided waves.
Optimized layout of the two relatively stiff and compliant material phases in
the design domain is explored, free from any restrictions on the topology and
shape of the rele... | 1611.06242v1 |
2019-01-27 | Highly efficient cooling of mechanical resonator with square pulse drives | Ground state cooling of mechanical resonator is a way to generate macroscopic
quantum states. Here we present a study of optomechanical cooling under the
drive of square pulses without smooth profile. By illustrating the dynamical
processes of cooling, we show how to choose the amplitudes and durations of
square pulses... | 1901.09343v1 |
2019-04-15 | Topologically protected bound states in the continuum and strong phase resonances in integrated Gires-Tournois interferometer | Photonic bound states in the continuum (BICs) are eigenmodes with an infinite
lifetime, which coexist with a continuous spectrum of radiating waves. BICs are
not only of great theoretical interest, but have a wide range of practical
applications, e.g. in the design of optical resonators. Here, we study this
phenomenon ... | 1904.06939v1 |
2019-04-22 | Seismic wave shield using cubic arrays of split-ball resonators | Metre size inertial resonators located in the ground have been theoretically
shown to interact with a seismic wave (attenuation, band gaps) to enable
protection of surface structures such as buildings. The challenge for Civil
Engineering is to both reduce the size of these resonators and to increase
their efficiency. H... | 1904.10767v1 |
2019-07-02 | Distinguishing black holes from horizonless objects through the excitation of resonances during inspiral | How well is the vacuum Kerr geometry a good description of the dark, compact
objects in our universe? Precision measurements of accreting matter in the deep
infrared and gravitational-wave measurements of coalescing objects are finally
providing answers to this question. Here, we study the possibility of resonant
excit... | 1907.01561v4 |
2019-06-19 | Generating and Detecting High Frequency Liquid-Based Sound Resonances with Nanoplasmonics | We use metal nanostructures (nanoplasmonics) excited with dual frequency
lasers to generate and detect high frequency (> 10 GHz) sound wave resonances
in water. The difference frequency between the two lasers causes beating in the
intensity, which results in a drop in the transmission through the
nanostructure when an ... | 1907.13230v1 |
2019-09-04 | ARRAW: Anti-resonant reflecting acoustic waveguides | Development of acoustic and optoacoustic on-chip technologies calls for new
solutions to guiding, storing and interfacing acoustic and optical waves in
integrated silicon-on-insulator (SOI) systems. One of the biggest challenges in
this field is to suppress the radiative dissipation of the propagating acoustic
waves, w... | 1909.01632v2 |
2019-09-13 | Hybrid Simulations of the Resonant and Non-Resonant Cosmic Ray Streaming Instability | Using hybrid simulations (kinetic ions--fluid electrons), we test the linear
theory predictions of the cosmic ray (CR) streaming instability. We consider
two types of CR distribution functions: a "hot" distribution where CRs are
represented by a drifting power law in momentum and an anisotropic "beam" of
monochromatic ... | 1909.06346v1 |
2019-10-17 | High frequency guided mode resonances in mass-loaded, thin film gallium nitride surface acoustic wave devices | We demonstrate high-frequency (> 3 GHz), high quality factor radio frequency
(RF) resonators in unreleased thin film gallium nitride (GaN) on sapphire and
silicon carbide substrates by exploiting acoustic guided mode (Lamb wave)
resonances. The associated energy trapping, due to mass loading from the gold
electrodes, a... | 1910.08169v1 |
2019-12-12 | Localized modes on a metasurface through multi-wave interactions | In this paper, we describe the manifestation of localized states through
coherent and incoherent analyses of a diffuse elastic wavefield inside a
two-dimensional metamaterial made of a collection of vertical long beams glued
to a thin plate. We demonstrate that localized states arise due to multi-wave
interactions at t... | 1912.11530v1 |
2020-05-05 | Sensitivity of resonance frequency in the detection of thin layer using nano-slit structures | We derive the formulas for the resonance frequencies and their sensitivity
when the nano-slit structures are used in the detection of thin layers. For a
thin layer with a thickness of $H$ deposited over the nanostructure, we show
quantitatively that for both single and periodic slit structures with slit
aperture size $... | 2005.03762v1 |
2020-09-30 | Optimization under Uncertainty of a Chain of Nonlinear Resonators using a Field Representation | Chains of resonators in the form of spring-mass systems have long been known
to exhibiting interesting properties such as band gaps. Such features can be
leveraged to manipulate the propagation of waves such as the filtering of
specific frequencies and, more generally, mitigate vibrations and impact.
Adding nonlinearit... | 2010.01198v1 |
2020-10-19 | Controllable optical response and tunable sensing based on self interference in waveguide QED systems | We study the self interference effect of a resonator coupled with a bent
waveguide at two separated ports. Such interference effects are shown to be
similar for the cases of standing-wave and traveling-wave resonators, while in
the system of two separated resonators indirectly coupled via a waveguide, the
coupling form... | 2010.09319v2 |
2020-12-20 | The spurious resonance disease and how to cure it: application to the seismic response of a canyon | Three types of boundary integral equation (BIE) methods are employed to
obtain closed-form solutions of a wave-scattering problem which are compared to
the exact, closed-form (reference), solution deriving from the
separation-of-variables technique. The problem involves either Dirichlet (D) or
Neumann (N) boundary cond... | 2012.10989v1 |
2021-03-16 | A non-local fluid closure for modeling cyclotron resonance in collisionless magnetized plasmas | A fluid description for collisionless magnetized plasmas that takes into
account the effect of cyclotron resonance has been developed. Following the
same approach as the Landau fluid closure, the heat flux components associated
with transverse electromagnetic fluctuations are approximated by a linear
combination of low... | 2103.08880v1 |
2022-05-29 | Wave scattering by objects made of small particles with oscillating permittivity | Rapid advancements in the micro and nano-technology create unlimited
opportunities for design of novel optical materials and their applications.
Recently, the possibility of the fast refractive index modulation was
demonstrated in semiconductors. In this paper we study the wave scattering by
small dispersionless partic... | 2205.14702v2 |
2022-09-14 | Macroscopic quantum test with bulk acoustic wave resonators | Recently, solid-state mechanical resonators have become a platform for
demonstrating non-classical behavior of systems involving a truly macroscopic
number of particles. Here, we perform the most macroscopic quantum test in a
mechanical resonator to date, which probes the validity of quantum mechanics at
the microgram ... | 2209.06635v2 |
2022-10-10 | Canonical Four-Wave-Mixing in Photonic Crystal Resonators: tuning, tolerances and scaling | Canonical Four-Wave-Mixing occurs in a resonator with only the required
number of modes, thereby inhibiting competing parametric processes. The
properties of the recently introduced photonic crystal parametric oscillator,
Marty et al. Nat. Photonics, 15, 53 (2021), are discussed extensively. We
compare the bichromatic ... | 2210.04660v1 |
2022-11-03 | Extremely Narrow, Sharp-Peaked Resonances at the Edge of the Continuum | We report a critical narrowing of resonances of a driven potential well, when
their eigenfrequencies approach the edge of the continuum. The resonances also
obtain unusual sharp-peak shapes at the continuum boundary. The situation can
be realized for the electromagnetic wave propagating across the dielectric thin
films... | 2211.01997v1 |
2022-11-29 | Shape resonances in photoionization cross sections and time delay | Shape resonances in photoionization of atoms and molecules arise from a
particular geometry of the ionic potential which traps the receding
photoelectron in a quasi-bound state in a particular partial wave. This
mechanism allows us to connect the photoionization cross section in the
resonant region with the photoelectr... | 2211.15892v1 |
2022-12-01 | Polarization-Tuned Fano Resonances in All-Dielectric Short-Wave Infrared Metasurface | The short-wave infrared (SWIR) is an underexploited portion of the
electromagnetic spectrum in metasurface-based nanophotonics despite its
strategic importance in sensing and imaging applications. This is mainly
attributed to the lack of material systems to tailor light-matter interactions
in this range. Herein, we add... | 2212.00758v1 |
2023-03-15 | Observation of Electronic Modes in Open Cavity Resonator | The resemblance between electrons and optical waves has strongly driven the
advancement of mesoscopic physics. However, electron waves have yet to be
understood in open cavity structures which have provided contemporary optics
with rich insight towards non-Hermitian systems and complex interactions
between resonance mo... | 2303.08386v1 |
2023-04-12 | Multi-bounce resonances in the interaction of walking droplets | Discrete dynamical models of walking droplets ("walkers") have allowed swift
numerical experiments revealing heretofore unobserved quantum statistics and
related behaviors in a classical hydrodynamic system. We present evidence that
one such model of walking droplets exhibits the empirically elusive $n$-bounce
resonanc... | 2304.06001v2 |
2023-06-09 | Resonances and scattering in microscopic cluster models with the complex-scaled generator coordinate method | The generator coordinate method of a microscopic cluster model is developed
to treat the resonance and scattering of nuclear clusters with complex scaling.
We consistently derive the formulation of the complex scaling for the
microscopic cluster model, in which only the relative motions between clusters
are transformed... | 2306.05660v2 |
2023-06-26 | Shaping Exciton Dynamics in 2D Semiconductors by Tailored Ultrafast Pulses | Excitonic resonances in two-dimensional semiconductors play a crucial role in
enhancing nonlinear light-matter interactions. However, the influence of
resonant dynamics on the time-dependent behavior of these nonlinear effects has
received little attention, as optical wave-mixing is commonly assumed to be
instantaneous... | 2306.15005v1 |
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