publicationDate stringlengths 1 2.79k | title stringlengths 1 36.5k ⌀ | abstract stringlengths 1 37.3k ⌀ | id stringlengths 9 47 |
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2023-07-11 | Dispersive estimates for 1D matrix Schrödinger operators with threshold resonance | We establish dispersive estimates and local decay estimates for the time
evolution of non-self-adjoint matrix Schr\"odinger operators with threshold
resonances in one space dimension. In particular, we show that the decay rates
in the weighted setting are the same as in the regular case after subtracting a
finite rank ... | 2307.04943v2 |
2023-07-18 | Low-Temperature Characteristics of an AlN/Diamond Surface Acoustic Wave Resonator | Phonons confined in mechanical resonators can be coupled to a variety of
quantum systems and are expected to be applied to hybrid quantum systems.
Diamond surface acoustic wave (SAW) devices are capable of high efficiency in
phonon interaction with color centers in diamond. The temperature dependence of
the quality fac... | 2307.10271v1 |
2023-10-12 | Half-Wave Dipolar Metal-Semiconductor Laser | Nano-scale lasers harnessing metallic plasmons hold promise across physical
sciences and industrial applications. Plasmons are categorized as surface
plasmon polaritons (SPP) and localized surface plasmons (LSP). While SPP has
gained popularity for nano-lasers by fitting a few cycles of SPP waves into
resonators, achie... | 2310.08742v1 |
2023-11-15 | Near 6 GHz Sezawa Mode Surface Acoustic Wave Resonators using AlScN on SiC | Surface Acoustic Wave (SAW) devices featuring Aluminum Scandium Nitride
(AlScN) on a 4H-Silicon Carbide (SiC) substrate, offer a unique blend of high
sound velocity, low thermal resistance, substantial piezoelectric response,
simplified fabrication, as well as suitability for high-temperature and harsh
environment oper... | 2311.08694v1 |
2023-12-15 | Exponentially localised interface eigenmodes in finite chains of resonators | This paper studies wave localisation in chains of finitely many resonators.
There is an extensive theory predicting the existence of localised modes
induced by defects in infinitely periodic systems. This work extends these
principles to finite-sized systems. We consider finite systems of subwavelength
resonators arran... | 2312.09667v2 |
2023-12-30 | Harnessing vibrational resonance to identify and enhance input signals | We report the occurrence of vibrational resonance (VR) and the underlying
mechanism in a simple piecewise linear electronic circuit, namely the
Murali-Lakshmanan-Chua (MLC) circuit, driven by an additional biharmonic signal
with widely different frequency. When the amplitude of the high-frequency force
is tuned, the re... | 2401.00150v1 |
2024-03-14 | Experimental Study of Periodically Poled Piezoelectric Film Lithium Niobate Resonator at Cryogenic Temperatures | This work reports the first study of periodically poled piezoelectric film
(P3F) lithium niobate (LiNbO3) resonators at cryogenic temperatures. We
experimentally investigate the temperature dependency of resonant frequencies
and quality factor (Q) of higher-order Lamb modes up to 20 GHz between
80{\deg}K and 297{\deg}K... | 2403.09822v1 |
2002-07-26 | Spin injection and spin accumulation in all-metal mesoscopic spin valves | We study the electrical injection and detection of spin accumulation in
lateral ferromagnetic metal-nonmagnetic metal-ferromagnetic metal (F/N/F) spin
valve devices with transparent interfaces. Different ferromagnetic metals,
permalloy (Py), cobalt (Co) and nickel (Ni), are used as electrical spin
injectors and detecto... | 0207641v1 |
2018-10-31 | Transverse Magneto-Optical Kerr Effect at Narrow Optical Resonances | Magneto-optical spectroscopy based on the transverse magneto-optical Kerr
effect (TMOKE) is a sensitive method for investigation of magnetically-ordered
media. However, in magnetic materials the optical transitions are usually
characterized by spectrally broad resonances with widths considerably exceeding
the Zeeman sp... | 1810.13344v1 |
2019-06-14 | Engineering electron-phonon coupling of quantum defects to a semi-confocal acoustic resonator | Diamond-based microelectromechanical systems (MEMS) enable direct coupling
between the quantum states of nitrogen-vacancy (NV) centers and the phonon
modes of a mechanical resonator. One example, diamond high-overtone bulk
acoustic resonators (HBARs), feature an integrated piezoelectric transducer and
support high-qual... | 1906.06309v1 |
2017-06-08 | Holographic description of $SO(5) \rightarrow SO(4)$ composite Higgs model | We study a 5D bottom-up holographic model that is expected to describe the
dynamics of the minimal composite Higgs model characterized by a $SO(5)\to
SO(4)$ global symmetry breaking pattern. We assume that the fundamental degrees
of freedom are scalars transforming under some representation of $SO(5)$ and
subject to so... | 1706.02651v2 |
2021-06-04 | Resonant optical topological Hall conductivity from skyrmions | We study the high frequency Hall conductivity in a two-dimensional (2D) model
of conduction electrons coupled to a background magnetic skyrmion texture via
an effective Hund's coupling term. For an ordered skyrmion crystal, a Kubo
formula calculation using the basis of skyrmion crystal Chern bands reveals a
resonant Ha... | 2106.02641v2 |
2024-03-02 | Strangeness plus-one ($S=+1$) resonance-state $P^{+*}_0$ via $K^+n\to K^{*0}p$ | In our current study, we delve into the peak-like structure observed during
the reaction process of $K^+n\to K^{0}p$ at approximately $\sqrt{s}\sim2.5$
GeV. Our focus centers on exploring the potential $S=+1$ resonance
$P^{+*}_0\equiv P^*_0$ as an excited state within the extended vector-meson and
baryon ($VB$) antidec... | 2403.01191v1 |
2007-10-15 | High-Efficiency Resonant RF Spin Rotator with Broad Phase Space Acceptance for Pulsed Polarized Cold Neutron Beams | We have developed a radio-frequency resonant spin rotator to reverse the
neutron polarization in a 9.5 cm x 9.5 cm pulsed cold neutron beam with high
efficiency over a broad cold neutron energy range. The effect of the spin
reversal by the rotator on the neutron beam phase space is compared
qualitatively to RF neutron ... | 0710.2871v1 |
2015-08-25 | Controlling spin relaxation with a cavity | Spontaneous emission of radiation is one of the fundamental mechanisms by
which an excited quantum system returns to equilibrium. For spins, however,
spontaneous emission is generally negligible compared to other non-radiative
relaxation processes because of the weak coupling between the magnetic dipole
and the electro... | 1508.06148v2 |
2019-09-26 | Perdeuteration of poly[2-methoxy-5-(2'-ethylhexyloxy)-1,4-phenylenevinylene] (d-MEHPPV): control of microscopic charge-carrier spin-spin coupling and of magnetic-field effects in optoelectronic devices | Control of the effective local hyperfine fields in a conjugated polymer,
poly[2-methoxy-5-(2'-ethylhexyloxy)-1,4-phenylenevinylene] (MEHPPV), by
isotopic engineering is reported. These fields, evident as a
frequency-independent line broadening mechanism in electrically detected
magnetic resonance spectroscopy (EDMR), o... | 1909.12213v1 |
2023-10-22 | Non-Bloch-Siegert-type power-induced shift of two-photon electron paramagnetic resonances of charge-carrier spin states in an OLED | We present Floquet theory-based predictions and electrically detected
magnetic resonance (EDMR) experiments scrutinizing the nature of two-photon
magnetic resonance shifts of charge-carrier spin states in the perdeuterated
$\pi$-conjugated polymer poly[2-methoxy-5-(2'-ethylhexyloxy)-1,4-phenylene
vinylene] (d-MEH-PPV) ... | 2310.14180v1 |
2009-12-17 | An improved effective-one-body Hamiltonian for spinning black-hole binaries | Building on a recent paper in which we computed the canonical Hamiltonian of
a spinning test particle in curved spacetime, at linear order in the particle's
spin, we work out an improved effective-one-body (EOB) Hamiltonian for spinning
black-hole binaries. As in previous descriptions, we endow the effective
particle n... | 0912.3517v2 |
2012-07-12 | Anomalous and spin Hall effects in hcp cobalt from GGA + U calculations | We have calculated the intrinsic anomalous and spin Hall conductivities, spin
and orbital magnetic moments and also spin polarization of Hall currentsin
hexagonal cobalt within the density functional theory with the generalized
gradient approximation (GGA) plus on-site Coulomb interaction (GGA+$U$). The
accurate all-el... | 1207.2876v1 |
2021-08-29 | Nuclear spin-wave quantum register for a solid state qubit | Solid-state nuclear spins surrounding individual, optically addressable
qubits provide a crucial resource for quantum networks, computation and
simulation. While hosts with sparse nuclear spin baths are typically chosen to
mitigate qubit decoherence, developing coherent quantum systems in nuclear
spin-rich hosts enable... | 2108.12723v1 |
2020-10-12 | Generic Field-Driven Phenomena in Kitaev Spin Liquids: Canted Magnetism and Proximate Spin Liquid Physics | Topological spin liquids in two spatial dimensions are stable phases in the
presence of a small magnetic field, but may give way to field-induced phenomena
at intermediate field strengths. Sandwiched between the low-field spin liquid
physics and the high-field spin-polarized phase, the exploration of magnetic
phenomena... | 2010.05921v1 |
2022-01-05 | Equatorial orbits of spinning test particle in rotating boson star | In this paper, we study the circular orbit of the spinning test particle in
the background of a rotating boson star. Using the pole-dipole approximation
and neglecting the back-reaction of the spinning test particle on the
spacetime, the equation of motion of the spinning test particle is described by
the Mathisson-Pap... | 2201.01498v3 |
2022-11-08 | From Elastic Spin to Phonon Spin: Symmetry and Fundamental Relations | This work is mainly based on postgraduate lectures at Tongji University since
2020 spring. We firstly revisit the elastic spin and orbital angular momentum
[Proc. Natl. Acad. Sci. USA 115, 9951 (2018)] but more general for anisotropic
systems by applying Noether's theorem to the elastic Lagrangian and by applying
the s... | 2211.04959v2 |
2023-09-11 | Scalable spin squeezing in two-dimensional arrays of dipolar large-$S$ spins | Controlling the quantum many-body state of arrays of qudits, possessing a
large local Hilbert space, opens the path to a broad range of possibilities for
many-particle entanglement, interesting both for fundamental quantum science,
as well as for potential metrological applications. In this work we
theoretically show t... | 2309.05368v1 |
2023-11-06 | Three-dimensional checkerboard spin structure on a breathing pyrochlore lattice | The standard approach to realize a spin liquid state is through magnetically
frustrated states, relying on ingredients such as the lattice geometry,
dimensionality, and magnetic interaction type of the spins. While Heisenberg
spins on a pyrochlore lattice with only antiferromagnetic nearest neighbors
interactions are t... | 2311.02823v1 |
2001-07-19 | Anomalies of ac driven solitary waves with internal modes: Nonparametric resonances induced by parametric forces | We study the dynamics of kinks in the $\phi^4$ model subjected to a
parametric ac force, both with and without damping, as a paradigm of solitary
waves with internal modes. By using a collective coordinate approach, we find
that the parametric force has a non-parametric effect on the kink motion.
Specifically, we find ... | 0107397v1 |
2004-09-14 | Remnant superfluid collective phase oscillations in the normal state of systems with resonant pairing | The signature of superfluidity in bosonic systems is a sound wave-like
spectrum of the single particle excitations which in the case of strong
interactions is roughly temperature independent. In fermionic systems, where
fermion pairing arises as a resonance phenomenon between free fermions and
paired fermionic states (... | 0409359v1 |
2005-07-25 | Dissociation of Feshbach Molecules into Different Partial Waves | Ultracold molecules can be associated from ultracold atoms by ramping the
magnetic field through a Feshbach resonance. A reverse ramp dissociates the
molecules. Under suitable conditions, more than one outgoing partial wave can
be populated. A theoretical model for this process is discussed here in detail.
The model re... | 0507580v2 |
2000-09-19 | Energetic Cosmic Rays observed by the resonant gravitational wave detector NAUTILUS | Cosmic ray showers interacting with the resonant mass gravitational wave
antenna NAUTILUS have been detected. The experimental results show large
signals at a rate much greater than expected. The largest signal corresponds to
an energy release in NAUTILUS of 87 TeV. We remark that a resonant mass
gravitational wave det... | 0009066v1 |
2001-05-04 | Comparison of advanced gravitational-wave detectors | We compare two advanced designs for gravitational-wave antennas in terms of
their ability to detect two possible gravitational wave sources. Spherical,
resonant mass antennas and interferometers incorporating resonant sideband
extraction (RSE) were modeled using experimentally measurable parameters. The
signal-to-noise... | 0105020v2 |
2003-01-15 | Thermal and back-action noises in dual-sphere gravitational-waves detectors | We study the sensitivity limits of a broadband gravitational-waves detector
based on dual resonators such as nested spheres. We determine both the thermal
and back-action noises when the resonators displacements are read-out with an
optomechanical sensor. We analyze the contributions of all mechanical modes,
using a ne... | 0301048v1 |
1997-04-24 | The Preheating - Gravitational Wave Correspondence | The gravitational wave equations form a parametric resonance system during
oscillatory reheating after inflation, when cast in terms of the electric and
magnetic parts of the Weyl tensor. This is in direct analogy with preheating.
For chaotic inflation with a quadratic potential, this analogy is exact. The
resulting am... | 9704399v3 |
2004-08-31 | Open nonradiative cavities as millimeter wave single-mode resonators | Open single-mode metallic cavities operating in nonradiative configurations
are proposed and demonstrated. Starting from well-known dielectric resonators,
possible nonradiative cavities have been established; their behavior on the
fundamental TE011 mode has been predicted on the basis of general
considerations. As a re... | 0408130v2 |
2005-05-31 | Resonant backward scattering of light by a two-side-open subwavelength metallic slit | The backward scattering of TM-polarized light by a two-side-open
subwavelength slit in a metal film is analyzed. We show that the reflection
coefficient versus wavelength possesses a Fabry-Perot-like dependence that is
similar to the anomalous behavior of transmission reported in the study [Y.
Takakura, Phys. Rev. Lett... | 0505211v2 |
2000-05-27 | Interference at quantum transitions: lasing without inversion and resonant four-wave mixing in strong fields at Doppler-broadened transitions | An influence of nonlinear interference processes at quantum transitions under
strong resonance electromagnetic fields on absorption, amplification and
refractive indices as well as on four-wave mixing processes is investigated.
Doppler broadening of the coupled transitions, incoherent excitation,
relaxation processes, ... | 0005118v1 |
2006-06-18 | Atom Lithography with Near-Resonant Light Masks: Quantum Optimization Analysis | We study the optimal focusing of two-level atoms with a near resonant
standing wave light, using both classical and quantum treatments of the
problem. Operation of the focusing setup is considered as a nonlinear spatial
squeezing of atoms in the thin- and thick-lens regimes. It is found that the
near-resonant standing ... | 0606145v1 |
2006-10-09 | Features of Magneto-Optical Resonances in an Elliptically Polarized Traveling Light Wave | The parameters of nonlinear absorption magneto-optical resonances in the
Hanle configuration have been studied as functions of the ellipticity of a
traveling light wave. It has been found that these parameters (amplitude,
width, and amplitude-to-width ratio) depend strongly on the polarization of the
light wave. In par... | 0610053v1 |
2007-07-24 | New results on the Roper resonance and the P_{11} partial wave | Properties of the Roper resonance, the first scalar excitation of the
nucleon, are determined. Pole positions and residues of the $P_{11}$ partial
wave are studied in a combined analysis of pion- and photo-induced reactions.
We find the Roper pole at $\{(1371\pm7)-i(92\pm10)\}$ MeV and an elasticity of
$0.61\pm 0.03$. ... | 0707.3591v4 |
2008-02-01 | The transport of cosmic rays in self-excited magnetic turbulence | The process of diffusive shock acceleration relies on the efficacy with which
hydromagnetic waves can scatter charged particles in the precursor of a shock.
The growth of self-generated waves is driven by both resonant and non-resonant
processes. We perform high-resolution magnetohydrodynamic simulations of the
non-res... | 0802.0109v1 |
2008-05-20 | Double optical spring enhancement for gravitational wave detectors | Currently planned second-generation gravitational-wave laser interferometers
such as Advanced LIGO exploit the extensively investigated signal-recycling
(SR) technique. Candidate Advanced LIGO configurations are usually designed to
have two resonances within the detection band, around which the sensitivity is
enhanced:... | 0805.3096v1 |
2008-12-18 | Spiral density wave triggering of star formation in SA and SAB galaxies | Azimuthal color (age) gradients across spiral arms are one of the main
predictions of density wave theory; gradients are the result of star formation
triggering by the spiral waves. In a sample of 13 spiral galaxies of types A
and AB, we find that 10 of them present regions that match the theoretical
predictions. By co... | 0812.3647v1 |
2009-07-14 | Las ondas viajeras son los ojos nuevos de la resonancia en medicina | Magnetic Resonance Imaging is one of the most versatile experimental
techniques in chemistry, physics and biology, providing insight into the
structure and dynamics of matter at the molecular scale. A group led by Klaas
Pruessmann at ETH Zurich (Brunner, D.O. et al. Travelling-wave nuclear magnetic
resonance. Nature 45... | 0907.2446v1 |
2009-10-07 | Slow Wave Phenomena in Photonic Crystals | Slow light in photonic crystals and other periodic structures is associated
with stationary points of the photonic dispersion relation, where the group
velocity of light vanishes. We show that in certain cases, the vanishing group
velocity is accompanied by the so-called frozen mode regime, when the incident
light can ... | 0910.1220v4 |
2010-02-26 | Resonance Fluorescence of a Single Artificial Atom | An atom in open space can be detected by means of resonant absorption and
reemission of electromagnetic waves, known as resonance fluorescence, which is
a fundamental phenomenon of quantum optics. We report on the observation of
scattering of propagating waves by a single artificial atom. The behavior of
the artificial... | 1002.4944v1 |
2010-06-04 | Revisiting the wire medium: a resonant metalens | This article is the first one in a series of two dealing with the concept of
"resonant metalens" we recently introduced [Phys. Rev. Lett. 104, 203901
(2010)]. Here, we focus on the physics of a medium with finite dimensions
consisting on a square lattice of parallel conducting wires arranged on a
sub-wavelength scale. ... | 1006.0829v3 |
2011-02-16 | Hybrid squeezing of solitonic resonant radiation in photonic crystal fibers | We report on the existence of a novel kind of squeezing in photonic crystal
fibers which is conceptually intermediate between the four-wave mixing induced
squeezing, in which all the participant waves are monochromatic waves, and the
self-phase modulation induced squeezing for a single pulse in a coherent state.
This h... | 1102.3405v1 |
2011-04-25 | Relativistic acceleration of Landau resonant particles as a consequence of Hopf bifurcations | Using bifurcation theory on a dynamical system simulating the interaction of
a particle with an obliquely propagating wave in relativistic regimes, we
demonstrate that uniform acceleration arises as a consequence of Hopf
bifurcations of Landau resonant particles. The acceleration process arises as a
form of surfatron e... | 1104.4760v2 |
2012-05-30 | Quantum-defect theory of resonant charge exchange | We apply the quantum-defect theory for $-1/R^4$ potential to study the
resonant charge exchange process. We show that by taking advantage of the
partial-wave-insensitive nature of the formulation, resonant charge exchange of
the type of $^1$S+$^2$S can be accurately described over a wide range of
energies using only th... | 1205.6549v1 |
2012-07-10 | The Heart of Fidelity | The multi-electron wave function of an interacting electron system depends on
the size of the system, i.e. the number of electrons. Here the question
investigated is how the wave function changes for a symmetric Friedel-Anderson
impurity when the volume is doubled. It turns out that for sufficiently large
volume (when ... | 1207.2502v1 |
2013-05-10 | Symmetry and resonant modes in platonic grating stacks | We study the flexural wave modes existing in finite stacks of gratings
containing rigid, zero-radius pins. We group the modes into even and odd
classes, and derive dispersion equations for each. We study the recently
discovered EDIT (elasto-dynamically inhibited transmission) phenomenon, and
relate it to the occurrence... | 1305.2300v1 |
2013-05-22 | Integral Equation Analysis of Plane Wave Scattering by Coplanar Graphene-Strip Gratings in the THz Range | The plane wave scattering and absorption by finite and infinite gratings of
free-space standing infinitely long graphene strips are studied in the THz
range. A novel numerical approach, based on graphene surface impedance,
hyper-singular integral equations, and the Nystrom method, is proposed. This
technique guarantees... | 1305.5172v1 |
2013-08-18 | Optical isolation via unidirectional resonant photon tunneling | We show that tri-layer structures combining epsilon-negative and
magneto-optical material layers can exhibit unidirectional resonant photon
tunneling phenomena that can discriminate between circularly-polarized (CP)
waves of given handedness impinging from opposite directions, or between CP
waves with different handedn... | 1308.3845v4 |
2013-11-16 | High-efficiency degenerate four wave-mixing in triply resonant nanobeam cavities | We demonstrate high-efficiency, degenerate four-wave mixing in triply
resonant Kerr $\chi^(3)$ photonic crystal (PhC) nanobeam cavities. Using a
combination of temporal coupled mode theory and nonlinear finite-difference
time-domain (FDTD) simulations, we study the nonlinear dynamics of resonant
four-wave mixing proces... | 1311.4100v1 |
2013-12-22 | Sub-terahertz sound excitation and detection by long Josephson junction | The paper reports on experimental observation of sub-terahertz sound wave
generation and detection by a long Josephson junction. This effect was
discovered at spectral measurements of sub-terahertz electromagnetic emission
from a flux-flow oscillator (FFO) deposited on optically polished Si substrate.
The back action o... | 1312.6377v2 |
2014-03-02 | Universal wave functions structure in mixed systems | When a regular classical system is perturbed, non-linear resonances appear as
prescribed by the KAM and Poincar\`{e}-Birkhoff theorems. Manifestations of
this classical phenomena to the morphologies of quantum wave functions are
studied in this letter. We reveal a systematic formation of an universal
structure of local... | 1403.0275v1 |
2014-03-07 | On the possible mechanism to form the radio emission spectrum of the Crab pulsar | In the present paper a self-consistent theory, explaining shape of the
observed phase-averaged radio spectrum in the frequency range from 100MHz to
10GHz is presented. The radio waves are assumed to be generated near the light
cylinder through the cyclotron resonance. The cyclotron instability provides
excitement of th... | 1403.1765v1 |
2014-04-03 | Theory of time-resolved non-resonant x-ray scattering for imaging ultrafast coherent electron motion | Future ultrafast x-ray light sources might image ultrafast coherent electron
motion in real-space and in real-time. For a rigorous understanding of such an
imaging experiment, we extend the theory of non-resonant x-ray scattering to
the time-domain. The role of energy resolution of the scattering detector is
investigat... | 1404.0796v1 |
2014-05-28 | Resonant Bloch-wave beatings | We introduce Bloch-wave beatings in arrays of multimode periodically bent
waveguides with a transverse refractive index gradient. The new phenomenon
manifests itself in the periodic drastic increase of the amplitude of the Bloch
oscillations that accompanies resonant conversion of modes guided by the
individual wavegui... | 1405.7203v1 |
2014-10-04 | Sub-optical wavelength acoustic wave modulation of integrated photonic resonators at microwave frequencies | Light-sound interactions have long been exploited in various acousto-optic
devices based on bulk crystalline materials. Conventionally these devices
operate in megahertz frequency range where the acoustic wavelength is much
longer than the optical wavelength and a long interaction length is required to
attain significa... | 1410.1008v1 |
2015-02-08 | Parametric excitation of multiple resonant radiations from localized wavepackets | Fundamental physical phenomena such as laser-induced ionization, driven
quantum tunneling, Faraday waves, Bogoliubov quasiparticle excitations, and the
control of new states of matter rely on time-periodic driving of the system. A
remarkable property of such driving is that it can induce the localized (bound)
states to... | 1502.02266v1 |
2015-06-18 | Search for sub-eV scalar and pseudoscalar resonances via four-wave mixing with a laser collider | The quasi-parallel photon-photon scattering by combining two-color laser
fields is an approach to produce resonant states of low-mass fields in
laboratory. In this system resonances can be probed via the four-wave mixing
process in the vacuum. A search for scalar and pseudoscalar fields was
performed by combining 9.3 $... | 1506.05581v1 |
2015-10-10 | Resonant wavepackets and shock waves in an atomtronic SQUID | The fundamental dynamics of ultracold atomtronic devices are reflected in
their phonon modes of excitation. We probe such a spectrum by applying a
harmonically driven potential barrier to a $^{23}$Na Bose-Einstein condensate
in a ring-shaped trap. This perturbation excites phonon wavepackets. When
excited resonantly, t... | 1510.02968v1 |
2015-12-07 | Mechanism for femtosecond laser-induced periodic subwavelength structures on solid surface: surface two-plasmon resonance | We present that surface two-plasmon resonance (STPR) in electron plasma sheet
produced by femtosecond laser irradiating metal surface is the self-formation
mechanism of periodic subwavelength ripple structures. Peaks of overdense
electrons formed by resonant two-plasmon wave pull bound ions out of the metal
surface and... | 1512.01966v1 |
2016-02-16 | Energy correlations of photon pairs generated by a silicon microring resonator probed by Stimulated Four Wave Mixing | Compact silicon integrated devices, such as micro-ring resonators, have
recently been demonstrated as efficient sources of quantum correlated photon
pairs. The mass production of integrated devices demands the implementation of
fast and reliable techniques to monitor the device performances. In the case of
time-energy ... | 1602.04962v1 |
2016-04-30 | Acoustic Localization Phenomena in Ferroelectric Nanophononic Devices | The engineering of phononic resonances in ferroelectric structures appears as
a new knob in the design and realization of novel multifunctional devices. In
this work we experimentally study phononic resonators based on insulating
(BaTiO3, SrTiO3) and metallic (SrRuO3) oxides. We experimentally demonstrate
the confineme... | 1605.00147v1 |
2016-07-01 | Acoustic Prism for Continuous Beam Steering Based on Piezoelectric Metamaterial | This paper investigates an acoustic prism for continuous acoustic beam
steering by a simple frequency sweep. This idea takes advantages of acoustic
wave velocity shifting in metamaterials in the vicinity of local resonance. We
apply this concept into the piezoelectric metamaterial consisting of host
medium and piezoele... | 1607.00239v1 |
2016-09-07 | Controlling flexural waves in semi-infinite platonic crystals | We address the problem of scattering and transmission of a plane flexural
wave through a semi-infinite array of point scatterers/resonators, which take a
variety of physically interesting forms. The mathematical model accounts for
several classes of point defects, including mass-spring resonators attached to
the top su... | 1609.02787v1 |
2016-10-29 | Rogue wave and a pair of resonance stripe solitons to a reduced generalized (3+1)-dimensional KP equation | Based on the bilinear operator and symbol calculation, some lump solutions
are presented, rationally localized in all directions in the space, to a
reduced (3+1)-dimensional KP equation. The lump solutions all contain six
parameters, four of which must cater to the non-zero conditions so as to insure
the analyticity an... | 1610.09507v1 |
2017-09-25 | Wave Propagation in a Strongly Nonlinear Locally Resonant Granular Crystal | In this work, we study the wave propagation in a recently proposed acoustic
structure, the locally resonant granular crystal. This structure is composed of
a one-dimensional granular crystal of hollow spherical particles in contact,
containing linear resonators. The relevant model is presented and examined
through a co... | 1709.08629v1 |
2017-11-22 | On the physical mechanism of three-wave instabilities -- resonance between positive- and negative-action modes | Three-wave instability is a fundamental process that has important
applications in many branches of physics. It is widely accepted that the
resonant condition $\omega_{z}\approx\omega_{x}+\omega_{y}$ for participating
waves is the criteria for the onset of the instability. We show that this
condition is neither suffici... | 1711.08248v2 |
2018-01-10 | Fano Resonances in Flat Band Networks | Linear wave equations on Hamiltonian lattices with translational invariance
are characterized by an eigenvalue band structure in reciprocal space. Flat
band lattices have at least one of the bands completely dispersionless. Such
bands are coined flat bands. Flat bands occur in fine-tuned networks, and can
be protected ... | 1801.03210v2 |
2018-11-10 | Stimulated resonant inelastic x-ray scattering with chirped, broadband pulses | We present an approach for initiating and tracing ultra-fast electron
dynamics in core-excited atoms, molecules and solids. The approach is based on
stimulated resonant inelastic x-ray scattering induced by a single, chirped,
broadband XUV/x-ray pulse. A first interaction with this pulse prepares a
core-excited state w... | 1811.04292v1 |
2018-11-28 | Unidirectional frequency conversion in microring resonators for on-chip frequency-multiplexed single-photon sources | Microring resonators are attractive for low-power frequency conversion via
Bragg-scattering four-wave-mixing due to their comb-like resonance spectrum.
However, conversion efficiency is limited to 50% due to the equal probability
of up- and down-conversion. Here, we demonstrate how two coupled microrings
enable highly ... | 1811.11741v1 |
2018-07-03 | Bridging coupling bandgaps in nonlinear acoustic metamaterials | Nonlinear acoustic metamaterials (NAMs) open new freedoms in exploiting novel
technologies for wave manipulations. Recently, the desired ultra-low and
ultra-broad-band wave suppressions were achieved by the chaotic bands in NAMs
[Nature Commun. 8, 1288 (2017)]. This work describes a remote interaction
mechanism in NAMs... | 1807.01230v1 |
2018-07-09 | Long-time existence for multi-dimensional periodic water waves | We prove an extended lifespan result for the full gravity-capillary water
waves system with a $2$ dimensional periodic interface: for initial data of
sufficiently small size $\varepsilon$, smooth solutions exist up to times of
the order of $\varepsilon^{-5/3+}$, for almost all values of the gravity and
surface tension ... | 1807.02932v2 |
2017-12-29 | Low frequency acoustic stop bands in cubic arrays of thick spherical shells with holes | We analyse the propagation of pressure waves within a fluid filled with a
three-dimensional array of rigid coated spheres (shells). We first draw band
diagrams for corresponding Floquet-Bloch waves. We then dig a channel
terminated by a cavity within each rigid shell and observe the appearance of a
low frequency stop b... | 1802.02043v1 |
2019-02-25 | Electromagnetic waves propagation through an array of superconducting qubits: manifestations of non-equilibrium steady states of qubits | We report a theoretical study of the electromagnetic waves (EWs) propagation
through an array of superconducting qubits, i.e. coherent two-level systems,
embedded in a low-dissipative transmission line. We focus on the near-resonant
case as the frequency of EWs $\omega \simeq \omega_q$, where $\omega_q$ is the
qubit fr... | 1902.09207v1 |
2020-04-15 | Light-Matter Interaction and Hybrid Vector Breather | The nonlinear coherent interaction of light with the dispersive and Kerr-type
third-order susceptibility medium containing optical impurity atoms or
semiconductor quantum dots is considered. Using the generalized perturbation
reduction method, the nonlinear wave equation is reduced to the coupled
nonlinear Schr\"odinge... | 2004.10688v1 |
2017-10-16 | Using gravitational-wave data to constrain dynamical tides in neutron star binaries | We discuss the role of dynamical tidal effects for inspiralling neutron star
binaries, focussing on features that may be considered "unmodelled" in
gravitational-wave searches. In order to cover the range of possibilities, we
consider i) individual oscillation modes becoming resonant with the tide, ii)
the elliptical i... | 1710.05950v1 |
2019-05-29 | Atmospheric bistability and abrupt transitions to superrotation: wave-jet resonance and Hadley cell feedbacks | Strong eastward jets at the equator have been observed in many planetary
atmospheres and simulated in numerical models of varying complexity. However,
the nature of the transition from a conventional state of the general
circulation, with easterlies or weak westerlies in the tropics, to such a
superrotating state remai... | 1905.12401v1 |
2021-08-12 | Resonant field enhancement in lossy periodic structures supporting complex bound states in the continuum | Resonant modes in a lossy periodic structure sandwiched between two lossless
homogeneous media form bands that depend on the Bloch wavevector continuously
and have a complex frequency due to radiation and absorption losses. A complex
bound state in the continuum (cBIC) is a special state with a zero radiation
loss in s... | 2108.05501v1 |
2019-04-26 | Spectral and temporal modulations of femtosecond SPP wave packets induced by resonant transmission/reflection interactions with metal-insulator-metal nanocavities | To study the dynamical optical interactions of nano-scaled
metal-insulator-metal (MIM) structures in temporal-frequency domain,
femtosecond surface plasmon polariton (SPP) wave packets propagate over a
surface with a MIM structure. The resonance nature of the SPP-cavity
interaction is reflected as strong modulations in... | 1904.11750v1 |
2021-01-11 | Timing and energy stability of resonant dispersive wave emission in gas-filled hollow-core waveguides | We numerically investigate the energy and arrival-time noise of ultrashort
laser pulses produced via resonant dispersive wave emission in gas-filled
hollow-core waveguides under the influence of pump-laser instability. We find
that for low pump energy, fluctuations in the pump energy are strongly
amplified. However, wh... | 2101.04014v2 |
2021-01-13 | Modified rigorous coupled-wave analysis for grating-based plasmonic structures with delta-thin conductive channel. Far- and near-field study | The modified rigorous coupled-wave analysis technique is developed to
describe the optical characteristics of the plasmonic structures with the
grating-gated delta-thin conductive channel in the far- and near-field zones of
electromagnetic waves. The technique was applied for analysis of the resonant
properties of AlGa... | 2101.05002v1 |
2021-11-06 | On Fresnel-Airy Equations, Fabry-Perot Resonances and Surface Electromagnetic Waves in Arbitrary Bianisotropic Metamaterials, including with Multi-Hyperbolic Fresnel Wave Surfaces | We introduce a theory of optical responses of bianisotropic layers with
arbitrary effective medium parameters, which results in generalized
Fresnel-Airy equations for reflection and transmission coefficients at all
incidence directions and polarizations. The poles of these equations provide
explicit expressions for the... | 2111.03791v1 |
2022-01-13 | Mode conversion and laser energy absorption by plasma under an inhomogeneous external magnetic field | The interaction of a high-frequency laser with plasma in the presence of an
inhomogeneous external magnetic field has been studied here with the help of
Particle-In-Cell simulation. It has been shown that laser enters inside the
plasma as an extraordinary wave (X-wave), where the electric field of the wave
oscillates p... | 2201.04926v1 |
2022-01-22 | Mode conversion and resonant absorption in inhomogeneous materials with flat bands | Mode conversion of transverse electromagnetic waves into longitudinal
oscillations and the associated resonant absorption of wave energy in
inhomogeneous plasmas is a phenomenon that has been studied extensively in
plasma physics. We show that precisely analogous phenomena occur generically in
electronic and photonic s... | 2201.08947v1 |
2022-10-24 | The spiral arms of galaxies | The most important theory of the spiral arms of galaxies is the density wave
theory based on the Lin-Shu dispersion relation. However, the density waves
move with the group velocity towards the inner Lindblad resonance and tend to
disappear. Various mechanisms to replenish the spiral waves have been proposed.
Nonlinear... | 2210.13632v1 |
2023-05-25 | $Z_{cs}$, $Z_c$ and $Z_b$ states under the complex scaling method | We investigate the $Z_b$, $Z_c$ and $Z_{cs}$ states within the chiral
effective field theory framework and the $S$-wave single channel molecule
picture. With the complex scaling method, we accurately solve the Schr\"odinger
equation in momentum space. Our analysis reveals that the $Z_b(10610)$,
$Z_b(10650)$, $Z_c(3900)... | 2305.15787v2 |
2023-07-11 | Can the gravitational wave background feel wiggles in spacetime? | Recently the international pulsar timing array collaboration has announced
the first strong evidence for an isotropic gravitational wave background (GWB).
We propose that rapid small oscillations (wiggles) in the Hubble parameter
would trigger a resonance with the propagating gravitational waves, leaving
novel signatur... | 2307.05455v3 |
2023-07-11 | Thin-Film Lithium Niobate Acoustic Resonator with High Q of 237 and k2 of 5.1% at 50.74 GHz | This work reports a 50.74 GHz lithium niobate (LiNbO3) acoustic resonator
with a high quality factor (Q) of 237 and an electromechanical coupling (k2) of
5.17% resulting in a figure of merit (FoM, Q x k2) of 12.2. The LiNbO3
resonator employs a novel bilayer periodically poled piezoelectric film (P3F)
128 Y-cut LiNbO3 ... | 2307.05742v1 |
2023-09-06 | Is the NANOGrav detection evidence of resonant particle creation during inflation? | We show that the recently reported cosmic gravitational wave background by
the NANOGrav 15-year collaboration may be the result of resonant particle
creation during inflation. For the appropriate amplitude and particle mass an
enhancement of the primordial scalar power spectrum could induce Secondary
Induced Gravitatio... | 2309.03101v2 |
2023-09-10 | Resonant excitation of vortex gyrotropic mode via surface acoustic waves | Finding new energy-efficient methods for exciting magnetization dynamics is
one of the key challenges in magnonics. In this work, we present an approach to
excite the gyrotropic dynamics of magnetic vortices through the phenomenon of
inverse magnetostriction, also known as the Villari effect. We develop an
analytical m... | 2309.04987v1 |
2023-09-18 | Gravitational Wave Resonance in Ultra-Light Dark Matter Halos | Ultra-Light Dark Matter (ULDM) halos constituted by Ultra-Light Axions (ULAs)
generate gravitational potentials that oscillate in time. In this paper I show
these potentials interact with gravitational waves, resonantly amplifying them.
For all ULA masses considered, the resonance in the solar region is currently
negli... | 2309.09946v2 |
2023-10-23 | Anisotropies in Scalar-Induced Gravitational-Wave Background from Inflaton-Curvaton Mixed Scenario with Sound Speed Resonance | We propose a new model to generate large anisotropies in the scalar-induced
gravitational wave (SIGW) background via sound speed resonance in the
inflaton-curvaton mixed scenario. Cosmological curvature perturbations are not
only exponentially amplified at a resonant frequency, but also preserve
significant non-Gaussia... | 2310.14606v3 |
2023-10-31 | Analysis to closed surface-wave photonic crystal waveguides based on coupled-resonator optical waveguide theory | Traditionally, one can construct a waveguide by introduce defects into
surface-wave photonic crystals (SPCs). Here we propose a new structure named
closed SPC that can introduce waveguide modes out of photonic bandgap of
surface-wave photonic crystal. In this paper, we have comprehensively analyzed
dispersion relation,... | 2310.20298v1 |
2024-01-23 | 28 THz soliton frequency comb in a continuous-wave pumped fiber Fabry-Perot resonator | We report the generation of an optical frequency comb featuring 28 THz
bandwidth, sustained by a single 80 fs cavity soliton recirculating in a fiber
Fabry-Perot resonator. This large spectrum is comparable to frequency combs
obtained with microresonators operating in the anomalous dispersion regime.
Thanks to the comp... | 2401.12858v1 |
2024-02-29 | Transformation and amplification of light in optical waveguides and resonators modulated by a low frequency traveling wave | We investigate the transformation and amplification of a light wave with
phase velocity $v$ and frequency $\omega$ propagating through an optical
waveguide and a racetrack resonator parametrically modulated by a travelling
wave with phase velocity $v_p$ and frequency $\omega_p \ll \omega$. We consider
the propagation w... | 2402.19117v1 |
2008-12-23 | Recoil velocity at 2PN order for spinning black hole binaries | We compute the flux of linear momentum carried by gravitational waves emitted
from spinning binary black holes at 2PN order for generic orbits. In particular
we provide explicit expressions of three new types of terms, namely
next-to-leading order spin-orbit terms at 1.5 PN order, spin-orbit tail terms
at 2PN order, an... | 0812.4413v2 |
2012-02-03 | Prototype effective-one-body model for nonprecessing spinning inspiral-merger-ringdown waveforms | We first use five non-spinning and two mildly spinning (chi_i \simeq -0.44,
+0.44) numerical-relativity waveforms of black-hole binaries and calibrate an
effective-one-body (EOB) model for non-precessing spinning binaries, notably
its dynamics and the dominant (2,2) gravitational-wave mode. Then, we combine
the above r... | 1202.0790v2 |
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