publicationDate stringlengths 1 2.79k | title stringlengths 1 36.5k ⌀ | abstract stringlengths 1 37.3k ⌀ | id stringlengths 9 47 |
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2023-08-11 | Soliton frequency comb generation in a low Q microcavity coupled to a gain microcavity | Soliton frequency comb generation in coupled nonlinear microcavities is
attractive because a coupled microcavity offers more flexibility and
possibilities compared to a single nonlinear microcavity. In this paper, we
investigate how an amplifying auxiliary cavity affects the bistability region
of the main cavity and so... | 2308.05971v1 |
2023-08-11 | Top Yukawa Coupling Determination at High Energy Muon Collider | The Top Yukawa coupling profoundly influences several core mysteries linked
to the electroweak scale and the Higgs boson. We study the feasibility of
measuring the Top Yukawa coupling at high-energy muon colliders by examining
the high-energy dynamics of the weak boson fusion to top quark pair processes.
A deviation of... | 2308.06323v2 |
2023-08-15 | High-frequency suppression of inductive coupling between flux qubit and transmission line resonator | We perform theoretical calculations to investigate the naturally occurring
high-frequency cutoff in a circuit comprising a flux qubit coupled inductively
to a transmission line resonator (TLR). Specifically, a decoupling occurs
between the qubit and the high-frequency modes. The coupling strength between
the qubit and ... | 2308.07849v3 |
2023-08-18 | Understanding X-ray absorption in liquid water: triple excitations in multilevel coupled cluster theory | We present the first successful application of the coupled cluster approach
to simulate the X-ray absorption (XA) spectrum of liquid water. The system size
limitations of standard coupled cluster theory are overcome by employing a
newly developed coupled cluster method for large molecular systems. This method
combines ... | 2308.09495v2 |
2023-08-22 | A Preliminary Fluid-Structure Coupling of NekRS and MOOSE via Cardinal | Fluid-Structure Interaction (FSI) is a significant phenomenon in most nuclear
reactors, causing effects such as Flow-Induced Vibration (FIV) and
thermally-driven Core-Radial Expansion (CRE). We demonstrate that Cardinal, an
open-source coupling of NekRS and OpenMC to MOOSE, can be used for modelling
FSI by coupling the... | 2308.11777v1 |
2023-08-22 | Supercritical Liouville quantum gravity and CLE$_4$ | We establish the first relationship between Schramm-Loewner evolution (SLE)
and Liouville quantum gravity (LQG) in the supercritical (a.k.a. strongly
coupled) phase, which corresponds to central charge values $\mathbf c_{\mathrm
L} \in (1,25)$ or equivalently to complex values of $\gamma$ with $|\gamma|=2$.
More precis... | 2308.11832v2 |
2023-08-23 | Fractional quantum Hall edge polaritons | It is commonly believed that light cannot couple to the collective
excitations of the fractional quantum Hall effect (FQHE). This assumption
relies on Kohn's theorem that states that electron-electron interactions
decouple from homogeneous electromagnetic fields due to Galilean invariance.
Here, we demonstrate that in ... | 2308.12146v2 |
2023-08-24 | Synchronization transition in space-time chaos in the presence of quenched disorder | Synchronization of two replicas of coupled map lattices for continuous maps
is known to be in the multiplicative noise universality class. We study this
transition in the presence of quenched disorder in coupling. The disorder is
identical in both replicas. We study one-dimensional, two-dimensional, and
globally couple... | 2308.12795v2 |
2023-08-28 | Implications of the electron-phonon coupling in CuPb$_9$(PO$_4$)$_6$O for superconductivity: an \textit{ab initio} study | We report $ab~initio$ calculations of the electronic and vibrational
properties in CuPb$_9$(PO$_4$)$_6$O, including the electron-phonon coupling
strength via strong-coupling Migdal-Eliashberg theory. We verify the presence
of appealing flat electronic bands near the Fermi level, a strong hybridization
between the Cu $3... | 2308.14294v2 |
2023-08-28 | Particle-field duality in QFT measurements | Pointlike systems coupled to quantum fields are often employed as toy models
for measurements in quantum field theory. In this paper, we identify the field
observables recorded by such models. We show that in models that work in the
strong coupling regime, the apparatus is correlated with smeared field
amplitudes, whil... | 2308.14718v1 |
2023-08-29 | A coupled high-accuracy phase-field fluid-structure interaction framework for Stokes fluid-filled fracture surrounded by an elastic medium | In this work, we couple a high-accuracy phase-field fracture reconstruction
approach iteratively to fluid-structure interaction. The key motivation is to
utilize phase-field modelling to compute the fracture path. A mesh
reconstruction allows a switch from interface-capturing to interface-tracking
in which the coupling... | 2308.15400v2 |
2023-08-31 | Boundary Control and Observer Design Via Backstepping for a Coupled Parabolic-Elliptic System | Stabilization of a coupled system consisting of a parabolic partial
differential equation and an elliptic partial differential equation is
considered. Even in the situation when the parabolic equation is exponentially
stable on its own, the coupling between the two equations can cause instability
in the overall system.... | 2309.00093v1 |
2023-09-04 | Solving the Naturalness Problem with Feeble Coupled Sectors | The discovery of a light Higgs boson means that whatever form new physics
takes, it should keep stable the Higgs mass. Besides the well-known solutions
to the naturalness problem (Supersymmetry, Conformal symmetry, Compositeness,
etc), models that include heavy particles with feeble couplings to the Standard
Model (SM)... | 2309.01378v1 |
2023-09-08 | Programmable Real-Time Magnon Interference in Two Remotely Coupled Magnonic Resonators | Magnon interference is a signature of coherent magnon interactions for
coherent information processing. In this work, we demonstrate programmable
real-time magnon interference, with examples of nearly perfect constructive and
destructive interference, between two remotely coupled yttrium iron garnet
spheres mediated by... | 2309.04289v1 |
2023-09-08 | Exciton-carrier coupling in a metal halide perovskite nanocrystal assembly probed by two-dimensional coherent spectroscopy | The surface chemistry and inter-connectivity within perovskite nanocrystals
play a critical role in determining the electronic interactions. They manifest
in the Coulomb screening of electron-hole correlations and the carrier
relaxation dynamics, among other many-body processes. Here, we characterize the
coupling betwe... | 2309.04338v1 |
2023-09-11 | Efficient two-qutrit gates in superconducting circuits using parametric coupling | Recently, significant progress has been made in the demonstration of single
qutrit and coupled qutrit gates with superconducting circuits. Coupled qutrit
gates have significantly lower fidelity than single qutrit gates, owing to long
implementation times. We present a protocol to implement the CZ universal gate
for two... | 2309.05766v2 |
2023-09-12 | Visualising Game Engine Subsystem Coupling | Game engines support video game development by providing functionalities such
as graphics rendering or input/output device management. However, their
architectures are often overlooked, which hinders their integration and
extension. In this paper, we use an approach for architecture recovery to
create architectural mod... | 2309.06329v1 |
2023-09-14 | Nonlinear delayed forcing drives a non-delayed Duffing oscillator | We study two coupled systems, one playing the role of the driver system and
the other one of the driven system. The driver system is a time-delayed
oscillator, and the driven or response system has a negligible delay. Since the
driver system plays the role of the only external forcing of the driven system,
we investiga... | 2309.07512v1 |
2023-09-15 | Complex localization mechanisms in networks of coupled oscillators: two case studies | Localized phenomena abound in nature and throughout the physical sciences.
Some universal mechanisms for localization have been characterized, such as in
the snaking bifurcations of localized steady states in pattern-forming partial
differential equations. While much of this understanding has been targeted at
steady st... | 2309.08547v3 |
2023-09-15 | Variational and stability properties of coupled NLS equations on the star graph | We consider variational and stability properties of a system of two coupled
nonlinear Schr\"{o}dinger equations on the star graph $\Gamma$ with the
$\delta$ coupling at the vertex of $\Gamma$. The first part is devoted to the
proof of an existence of the ground state as the minimizer of the constrained
energy in the cu... | 2309.08550v1 |
2023-09-18 | Clock Transitions Versus Bragg Diffraction in Atom-interferometric Dark-matter Detection | Atom interferometers with long baselines are envisioned to complement the
ongoing search for dark matter. They rely on atomic manipulation based on
internal (clock) transitions or state-preserving atomic diffraction.
Principally, dark matter can act on the internal as well as the external
degrees of freedom to both of ... | 2309.09538v2 |
2023-09-20 | Periodic solution for transport of intense and coupled coasting beams through quadrupole channels | Imposing defined spinning to a particle beam increases its stability against
perturbations from space charge~[Y.-L.~Cheon et al., Effects of beam spinning
on the fourth-order particle resonance of 3D bunched beams in high-intensity
linear accelerators, Phys. Rev. Accel. \& Beams {\bf 25}, 064002 (2022)]. In
order to fu... | 2309.11277v1 |
2023-09-22 | Identifying the origin of delayed electroluminescence in a polariton organic light-emitting diode | Modifying the energy landscape of existing molecular emitters is an
attractive challenge with favourable outcomes in chemistry and organic
optoelectronic research. It has recently been explored through strong
light-matter coupling studies where the organic emitters were placed in an
optical cavity. Nonetheless, a debat... | 2309.12737v1 |
2023-09-22 | Generalized Second Law for Non-minimally Coupled Matter Theories | We prove the generalized second law (GSL) for higher curvature gravity
theories when the matter sector is non-minimally coupled. The validity of our
proof is in the regime of linearized fluctuations about equilibrium black
holes, which is the same regime as considered in the previous proofs by Wall
and Sarkar. These pr... | 2309.12782v1 |
2023-09-29 | Beyond the Cavity: Molecular Strong Coupling using an Open Fabry-Perot Cavity | The coherent strong coupling of molecules with confined light fields to
create polaritons - part matter, part light - is opening exciting opportunities
ranging from extended exciton transport and inter-molecular energy transfer to
modified chemistry and material properties. In many of the envisaged
applications open ac... | 2309.17081v1 |
2023-10-02 | Softening of $dd$ excitation in the resonant inelastic x-ray scattering spectra as a signature of Hund's coupling in nickelates | We investigate the effects of Hund's coupling on the resonant X-ray
absorption spectra of the recently discovered family of layered nickelate
superconductors. We contrast two scenarios depending on the relative strength
of the ratio of the effective Hund's coupling ($J_H$) to the crystal fields
($\Delta$) in these syst... | 2310.00983v1 |
2023-10-06 | Evanescently coupled topological ring-waveguide systems for chip-scale ultrahigh frequency phononic circuits | Topological phononics enabling backscattering-immune transport is expected to
improve the performance of electromechanical systems for classical and quantum
information technologies. Nonetheless, most of the previous demonstrations
utilized macroscale and low-frequency structures and thus offered little
experimental in... | 2310.04008v1 |
2023-10-09 | Estimation theory of photon-magnon coupling strength in a driven-dissipative double-cavity-magnon system | Cavity-magnon systems are emerging as a fruitful architecture for the
integration of quantum technologies and spintronic technologies, where magnons
are coupled to microwave photons via the magnetic-dipole interaction.
Controllable the photon-magnon (P-M) couplings provide a powerful means of
accessing and manipulating... | 2310.05412v1 |
2023-10-11 | Vector dark matter production during inflation and reheating | Gravitational particle production of spectator fields due to the expansion
universe during the inflationary and reheating phases of the early universe is
of particular interest in the context of dark matter, since it allows to
constrain the properties of the dark candidate by comparing the density of
particles produced... | 2310.07515v1 |
2023-10-14 | Coupled metamaterial-phonon terahertz range polaritons in a topological insulator | We report terahertz time-domain spectroscopy (TDTS) experiments demonstrating
strong light-matter coupling in a terahertz (THz) LC-metamaterial in which the
phonon resonance of a topological insulator (TI) thin film is coupled to the
photonic modes of an array of electronic split-ring resonators. As we tune the
metamat... | 2310.09481v2 |
2023-10-19 | Linear Coupling of Transverse Betatron Oscillations. Dynamic Stability and Invariants of Motion | Based on the technique of the discrete one-turn transfer maps, the problem of
linear coupling between horizontal and vertical betatron oscillations in an
accelerator has been treated exactly and entirely in explicit form. The
stability region in the fractional part of the horizontal and the vertical
betatron tune space... | 2310.12479v1 |
2023-10-19 | Efficient optical coupling to gallium arsenide nano-waveguides and resonators with etched conical fibers | We explore new methods for coupling light to on-chip gallium arsenide
nanophotonic structures using etched conical optical fibers. With a
single-sided conical fiber taper, we demonstrate efficient coupling to an
on-chip photonic bus waveguide in a liquid environment. We then show that it is
possible to replace such on-... | 2310.12584v1 |
2023-10-19 | Describing the speed of sound peak of isospin-asymmetric cold strongly interacting matter using effective models | The non-monotonic behavior of the speed of sound for isospin imbalanced
strongly interacting matter, found by recent lattice QCD simulations, can be
reproduced within the Nambu--Jona-Lasinio model and Linear Sigma Model with
quarks when the couplings become isospin chemical potential-dependent. The
introduction of medi... | 2310.13130v1 |
2023-10-22 | On explicit soliton solutions and blow-up for coupled variable coefficient nonlinear Schrödinger equations | This work is concerned with the study of explicit solutions for a generalized
coupled nonlinear Schr\"{o}dinger equations (NLS) system with variable
coefficients. Indeed, we show, employing similarity transformations, the
existence of Rogue wave and dark-bright soliton like-solutions for such a
generalized NLS system, ... | 2310.14440v2 |
2023-10-27 | Mass gaps of a $\mathbb{Z}_3$ gauge theory with three fermion flavors in 1 + 1 dimensions | We consider a $\mathbb{Z}_3$ gauge theory coupled to three degenerate massive
flavors of fermions, which we term "QZD". The spectrum can be computed in $1+1$
dimensions using tensor networks. In weak coupling the spectrum is that of the
expected mesons and baryons, although the corrections in weak coupling are
nontrivi... | 2310.18312v1 |
2023-10-29 | Coupling conduction-band valleys in modulated SiGe heterostructures via shear strain | Engineering conduction-band valley couplings is a key challenge for Si-based
spin qubits. Recent work has shown that the most reliable method for enhancing
valley couplings entails adding Ge concentration oscillations to the quantum
well. However, ultrashort oscillation periods are difficult to grow, while long
oscilla... | 2310.18879v2 |
2023-10-29 | Coupling Coordinated Development among Digital Economy, Regional Innovation and Talent Employment A case study of Hangzhou Metropolitan Circle, China | Coordination development across various subsystems, particularly economic,
social, cultural, and human resources subsystems, is a key aspect of urban
sustainability that has a direct impact on the quality of urbanization.
Hangzhou Metropolitan Circle composing Hangzhou, Huzhou, Jiaxing, Shaoxing, was
the first metropol... | 2310.19008v1 |
2023-11-06 | Numerical schemes for coupled systems of nonconservative hyperbolic equations | A new linear relaxation system for nonconservative hyperbolic systems is
introduced, in which a nonlocal source term accounts for the nonconservative
product of the original system. Using an asymptotic analysis the relaxation
limit and its stability are investigated. It is shown that the
path-conservative Lax-Friedrich... | 2311.03581v1 |
2023-11-09 | Impact of thermal annealing on the interaction between monolayer MoS2 and Au | We have investigated the impact of thermal annealing on the interaction of
single layer MoS2 and Au using Raman Spectroscopy. We found MoS2 has two main
modes of interactions with the underlying Au being either weakly-coupled or
strongly-coupled. The regions strongly-coupled to Au are hybridized to Au,
minimally strain... | 2311.05104v1 |
2023-11-09 | Magnon-phonon coupling of synthetic antiferromagnets in a surface acoustic wave cavity resonator | We use a surface acoustic wave (SAW) cavity resonator to study the coupling
of acoustic magnons in a synthetic antiferromagnet (SAF) and the phonons
carried by SAWs. The SAF is composed of a CoFeB/Ru/CoFeB trilayer and the
scattering matrix of the SAW resonator is studied to assess the coupling. We
find that the spectr... | 2311.05275v1 |
2023-11-09 | A single-photon emitter coupled to a phononic-crystal resonator in the resolved-sideband regime | A promising route towards the heralded creation and annihilation of
single-phonons is to couple a single-photon emitter to a mechanical resonator.
The challenge lies in reaching the resolved-sideband regime with a large
coupling rate and a high mechanical quality factor. We achieve all of this by
coupling self-assemble... | 2311.05342v1 |
2023-11-14 | Spin-phonon coupling suppressing the structural transition in perovskite-like oxide | Multifunctional properties in quantum systems require the interaction between
different degrees of freedom. As such, spin-phonon coupling emerges as an ideal
mechanism to tune multiferroicity, magnetism, and magnetoelectric response. In
this letter, we demonstrate and explain, based on theoretical and experimental
anal... | 2311.08028v1 |
2023-11-21 | Light bipolarons in a system of electrons coupled to dispersive optical phonons | We investigate the ground state properties of the bipolaron coupled to
quantum dispersive optical phonons in the one-dimensional Holstein-Hubbard
model. We concentrate on the interplay between the phonon dispersion and the
Coulomb repulsion and their mutual effect on the bipolaron effective mass, the
binding energy, an... | 2311.12403v2 |
2023-11-21 | Probing light quark Yukawa couplings through angularity distributions in Higgs boson decay | We propose to utilize angularity distributions in Higgs boson decay to probe
light quark Yukawa couplings at $e^+e^-$ colliders. Angularities $\tau_a$ are a
class of 2-jet event shapes with variable and tunable sensitivity to the
distribution of radiation in hadronic jets in the final state. Using
soft-collinear effect... | 2311.12556v2 |
2023-11-23 | Axion sourcing in dense stellar matter via CP-violating couplings | Compact objects such as neutron stars and white dwarfs can source axion-like
particles and QCD axions due to CP-violating axion-fermion couplings. The
magnitude of the axion field depends on the stellar density and on the strength
of the axion-fermion couplings. We show that even CP-violating couplings one
order of mag... | 2311.13776v1 |
2023-11-30 | Constraining Glueball Couplings | We set up a numerical S-matrix bootstrap problem to rigorously constrain
bound state couplings given by the residues of poles in elastic amplitudes. We
extract upper bounds on these couplings that follow purely from unitarity,
crossing symmetry, and the Roy equations within their proven domain of
validity. First we con... | 2312.00127v1 |
2023-12-11 | Coupled Free Fermion Conformal Field Theory and Representations | Conformal field theory (CFT) has become an active area of research beyond its
origins in statistical physics and attracted much attention due to its
intrinsic mathematical interest, which reveals deep connections with other
diverse branches of mathematics. We study a specific subclass of CFTs that
involve either uncoup... | 2312.06150v1 |
2023-12-15 | Breathing and switching cyclops states in Kuramoto networks with higher-mode coupling | Cyclops states are intriguing cluster patterns observed in oscillator
networks, including neuronal ensembles. The concept of cyclops states formed by
two distinct, coherent clusters and a solitary oscillator was introduced in
[Munyayev {\it et al.}, Phys. Rev. Lett. 130, 107021 (2023)], where we explored
the surprising... | 2312.09831v2 |
2023-12-18 | Coupled cluster method tailored with quantum computing | Introducing an active space approximation is inevitable for the quantum
computations of chemical systems. However, this approximation ignores the
electron correlations related to non-active orbitals. Here, we propose a
computational method for correcting quantum computing results using a
well-established classical theo... | 2312.11012v1 |
2023-12-18 | Coupling light to an atomic tweezer array in a cavity | We consider the coupling of light, via an optical cavity, to two-dimensional
atomic arrays whose lattice spacing exceeds the wavelength of the light. Such
'superwavelength' spacing is typical of optical tweezer arrays. While
subwavelength arrays exhibit strong atom-photon coupling, characterized by high
optical reflect... | 2312.11104v1 |
2023-12-18 | Limiting attractors in heavy-ion collisions | We study universal features of the hydrodynamization process in heavy-ion
collisions using QCD kinetic theory simulations for a wide range of couplings.
We introduce the new concept of limiting attractors, which are obtained by
extrapolation to vanishing and strong couplings. While the hydrodynamic
limiting attractor e... | 2312.11252v1 |
2023-12-22 | Tripartite quantum Rabi model with trapped Rydberg ions | We investigate a tripartite quantum Rabi model (TQRM) wherein a bosonic mode
concurrently couples to two spin-1/2 particles through a spin-spin interaction,
resulting in a spin-spin-boson coupling--a departure from conventional quantum
Rabi models featuring bipartite spin-boson couplings. The symmetries of the
TQRM dep... | 2312.14718v1 |
2023-12-22 | From Weak to Strong Coupling: Quasi-BIC Metasurfaces for Mid-infrared Light-Matter Interactions | Resonant metasurfaces present extraordinary subwavelength light trapping
capabilities, which have been critical to the development of high-performance
biochemical sensors and surface-enhanced spectroscopy techniques. To date,
metasurface-enhanced light-matter interactions in the mid-infrared region have
been primarily ... | 2312.15089v1 |
2023-12-23 | A mixed perturbative-nonperturbative treatment for strong light-matter interactions | The full information about the interaction between a quantum emitter and an
arbitrary electromagnetic environment is encoded in the so-called spectral
density. We present an approach for describing such interaction in any coupling
regime, providing a Lindblad-like master equation for the emitter dynamics when
coupled t... | 2312.15324v2 |
2023-12-29 | Theory of gravity with nonminimal matter-nonmetricity coupling and the de-Sitter swampland conjectures | In this study, we investigate swampland conjectures within the setup of
matter and non-metricity nonminimal coupling theories of gravity. We examine
how the inflationary solution produced by a single scalar field can be resolved
with the swampland criteria in string theory regarding the formation of de
Sitter solutions... | 2312.17501v1 |
2024-01-05 | Spin-Lattice Coupling Induced Rich Magnetic States in CrF$_3$ monolayer | We systematically studied the spin-lattice couplings in the CrF$_3$
monolayer. Our study reveals that the spin exchange constants between the
nearest neighbors are notably affected by these couplings. Specifically, the
couplings arise predominantly from three distinct phonon modes, namely the
covariant, rotation, and s... | 2401.02671v1 |
2024-01-09 | Quantum heat valve and diode of strongly coupled defects in amorphous material | The mechanical strain can control the frequency of two-level atoms in
amorphous material. In this work, we would like to employ two coupled two-level
atoms to manipulate the magnitude and direction of heat transport by
controlling mechanical strain to realize the function of a thermal switch and
valve. It is found that... | 2401.04417v1 |
2024-01-09 | A Reduced Cost Four-Component Relativistic Unitary Coupled Cluster Method for Molecules | We present a four-component relativistic unitary coupled cluster method for
molecules. We have used commutator-based non-perturbative approximation using
the ''Bernoulli expansion'' to derive an approximation to the relativistic
unitary coupled cluster method. The performance of the full quadratic unitary
coupled-clust... | 2401.04794v2 |
2024-01-11 | Vibrational Strong Coupling of Ro-Vibrational States of Gaseous N2O Molecules | This letter demonstrates the formation of vibro-polaritonic states by strong
coupling gaseous nitrous oxide molecules at room temperature. The
ro-vibrational features of the molecule is utilized to understand the nature of
the strong light-matter interaction in the gas phase. Mixing of the P and
R-branch population giv... | 2401.06186v1 |
2024-01-16 | Higgs Width and Couplings at High Energy Muon Colliders with Forward Muon Detection | We propose a novel method using the $ZZ$-fusion channel and forward muon
detection at high-energy muon colliders to address the challenge of the Higgs
coupling-width degeneracy. Our approach enables inclusive Higgs rate
measurement to 0.75% at 10~TeV muon collider, breaking the coupling-width
degeneracy. Results indica... | 2401.08756v1 |
2024-01-18 | Controlling atom-photon bound states in a coupled resonator array with a two-level quantum emitter | We consider a one-dimensional (1D) coupled-resonator array (CRA), where a
two-level quantum emitter (2LE) is electric-dipole coupled to the modes of two
adjacent resonators. We investigate the energy spectrum, the photon probability
distribution of the bound states and the emission process of the 2LE into the
CRA vacuu... | 2401.09688v1 |
2024-01-19 | Collective rovibronic dynamics of a diatomic gas coupled by cavity | We consider an ensemble of homonuclear diatomic molecules coupled to the two
polarization directions of a Fabry-P\'erot cavity via fully quantum
simulations. Accompanied by analytical results, we identify a coupling
mechanism mediated simultaneously by the two perpendicular polarizations, and
inducing polaritonic relax... | 2401.10723v1 |
2024-01-20 | Sensory adaptation in a continuum model of bacterial chemotaxis -- working range, cost-accuracy relation, and coupled systems | Sensory adaptation enables organisms to adjust their perception in a changing
environment. A paradigm is bacterial chemotaxis, where the output activity of
chemoreceptors is adapted to different baseline concentrations via receptor
methylation. The range of internal receptor states limits the stimulus
magnitude to whic... | 2401.11341v1 |
2024-01-21 | A taxonomy for generalized synchronization between flat-coupled systems | Generalized synchronization is plausibly the most complex form of
synchronization. Previous studies have revealed the existence of weak or strong
forms of generalized synchronization depending on the multi- or mono-valued
nature of the mapping between the attractors of two unidirectionally-coupled
systems. Generalized ... | 2401.11561v1 |
2024-01-24 | Extracting accurate light-matter couplings from disordered polaritons | The vacuum Rabi splitting (VRS) in molecular polaritons stands as a
fundamental measure of collective light-matter coupling. Despite its
significance, the impact of molecular disorder on VRS is not fully understood
yet. This study delves into the complexities of VRS amidst various
distributions and degrees of disorder.... | 2401.13184v1 |
2024-01-25 | Sensitivity of two-mode SRF cavity to generic electromagnetic interactions of ultralight dark matter | The ultralight dark matter (ULDM) such as axion or wavelike scalar plays as a
plausible DM candidate. Recently, the possible non-standard ULDM couplings draw
much attention. In this work we investigate the detection of electromagnetic
couplings in a few benchmark models of ULDM. For illustration, we consider the
generi... | 2401.14195v1 |
2024-01-26 | Physical Yukawa Couplings in Heterotic String Compactifications | One of the challenges of heterotic compactification on a Calabi-Yau threefold
is to determine the physical $(\mathbf{27})^3$ Yukawa couplings of the
resulting four-dimensional $\mathcal{N}=1$ theory. In general, the calculation
necessitates knowledge of the Ricci-flat metric. However, in the standard
embedding, which r... | 2401.15078v1 |
2024-01-31 | Stability of vortices in exciton-polariton condensates with spin-orbital-angular-momentum coupling | The existence and dynamics of stable quantized vortices is an important
subject of quantum many-body physics. Spin-orbital-angular-momentum coupling
(SOAMC), a special type of spin-orbit coupling, has been experimentally
achieved to create vortices in atomic Bose-Einstein condensate (BEC). Here, we
generalize the conce... | 2401.17927v1 |
2024-02-01 | Determination of the relative sign of the Higgs boson couplings to $W$ and $Z$ bosons using $WH$ production via vector-boson fusion with the ATLAS detector | The associated production of Higgs and $W$ bosons via vector-boson fusion
(VBF) is highly sensitive to the relative sign of the Higgs boson couplings to
$W$ and $Z$ bosons. In this Letter, two searches for this process are
presented, using 140 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}$ =
13 TeV recorded by... | 2402.00426v1 |
2024-01-26 | Zeroth-Order primal-dual Alternating Projection Gradient Algorithms for Nonconvex Minimax Problems with Coupled linear Constraints | In this paper, we study zeroth-order algorithms for nonconvex minimax
problems with coupled linear constraints under the deterministic and stochastic
settings, which have attracted wide attention in machine learning, signal
processing and many other fields in recent years, e.g., adversarial attacks in
resource allocati... | 2402.03352v1 |
2024-02-08 | Efficient, High-Fidelity Single-Photon Switch Based on Waveguide-Coupled Cavities | We demonstrate theoretically that waveguide-coupled cavities with embedded
two-level emitters can act as a highly efficient, high-fidelity quantum switch
for input photons in the waveguide. The switch reflects photons in the weak
emitter-cavity coupling regime and transmits photons in the strong coupling
regime. By cal... | 2402.05714v1 |
2024-02-12 | Topological excitations in a spin-orbit coupled spin-1 Bose-Einstein condensate under sinusoidally varying magnetic fields | We present a theoretical study of a spin-orbit coupled spin-1 Bose-Einstein
condensate under the influence of sinusoidally varying magnetic fields. In the
ground state of the ferromagnetic spin-1 condensate, we investigate topological
excitations in the system arising due to the combined effect of Rashba
spin-orbit cou... | 2402.08118v1 |
2024-02-15 | A unified quantification of synchrony in globally coupled populations with the Wiener order parameter | We tackle the quantification of synchrony in globally coupled populations.
Furthermore, we treat the problem of incomplete observations when the
population mean field is unavailable, but only a small subset of units is
observed. We introduce a new order parameter and demonstrate its efficiency for
quantifying synchrony... | 2402.10144v1 |
2024-02-19 | Exponential contractivity and propagation of chaos for Langevin dynamics of McKean-Vlasov type with Lévy noises | By the probabilistic coupling approach which combines a new refined basic
coupling with the synchronous coupling for L\'evy processes, we obtain explicit
exponential contraction rates in terms of the standard $L^1$-Wasserstein
distance for the following Langevin dynamic $(X_t,Y_t)_{t\ge0}$ of
McKean-Vlasov type on $\ma... | 2402.11851v1 |
2024-02-20 | Photovoltaic performances in a cavity-coupled double quantum dots photocell | Revealing the quantum regime of photovoltaics is crucial to enhancing the
internal quantum efficiency of a double quantum dots (DQDs) photocell housed in
a cavity. In this study, the performance of a quantum photovoltaic is evaluated
based on the current-voltage and power-voltage characteristics in a
cavity-coupled DQD... | 2402.13300v1 |
2024-02-21 | Nano antenna-assisted quantum dots emission into high-index planar waveguide | Integrated quantum photonic circuits require the efficient coupling of photon
sources to photonic waveguides. Hybrid plasmonic/photonic platforms are a
promising approach, taking advantage of both plasmon modal confinement for
efficient coupling to a nearby emitter and photonic circuitry for optical data
transfer and p... | 2402.13557v1 |
2024-02-21 | Low-loss directional coupler for the C, L and U bands based on subwavelength gratings | Directional couplers are ubiquitous components for power distribution in
silicon photonics integrated circuits. Despite significant advances in their
performance, architectures providing tailorable coupling ratios over
increasingly broad bandwidths are still sought after. Compact footprint and low
losses are also essen... | 2402.13836v1 |
2024-02-22 | Radiative recombination rate suppressed in a quantum photocell with three electron donors | The radiative recombination of electron-hole pairs represents a great
challenge to the photon-to-charge efficiency in photocell. In this paper, we
visit the radiative recombination rate (RRR) in a quantum photocell with or
without three dipole-dipole coupled electron donors. The results show that
different gaps play th... | 2402.15024v1 |
2024-02-23 | Deep Coupling Network For Multivariate Time Series Forecasting | Multivariate time series (MTS) forecasting is crucial in many real-world
applications. To achieve accurate MTS forecasting, it is essential to
simultaneously consider both intra- and inter-series relationships among time
series data. However, previous work has typically modeled intra- and
inter-series relationships sep... | 2402.15134v1 |
2024-02-25 | Ultrastrong coupling between polar distortion and optical properties in ferroelectric MoBr$_2$O$_2$ | Tuning the properties of materials using external stimuli is crucial for
developing versatile smart materials. A strong coupling among order parameters
within a single-phase material constitutes a potent foundation for achieving
precise property control. However, cross-coupling is pretty weak in most single
materials. ... | 2402.15949v1 |
2024-03-04 | Complexified Synchrony | The Kuramoto model and its generalizations have been broadly employed to
characterize and mechanistically understand various collective dynamical
phenomena, especially the emergence of synchrony among coupled oscillators.
Despite almost five decades of research, many questions remain open, in
particular for finite-size... | 2403.02006v1 |
2024-03-05 | Federated Learning Using Coupled Tensor Train Decomposition | Coupled tensor decomposition (CTD) can extract joint features from multimodal
data in various applications. It can be employed for federated learning
networks with data confidentiality. Federated CTD achieves data privacy
protection by sharing common features and keeping individual features. However,
traditional CTD sc... | 2403.02898v1 |
2024-03-05 | Photon-exciton strong coupling induced by topological edge state | Strong coupling between single quantum emitter and dielectric nanoparticle
has not been achieved due to large scattering loss of dielectric nanoparticle.
Here we propose strong photon-exciton coupling mechanism under topological
protection. In hybrid two-dimensional topological photonic crystal structure
containing gap... | 2403.02915v1 |
2024-03-11 | Heat transport in the quantum Rabi model: Universality and ultrastrong coupling effects | Heat transport in the quantum Rabi model at weak interaction with the heat
baths is controlled by the qubit-oscillator coupling. Universality of the
linear conductance versus the temperature is found for $T\lesssim T_K$, with
$T_K$ a coupling-dependent Kondo-like temperature. At low temperature, coherent
heat transfer ... | 2403.06909v2 |
2024-03-20 | The $\mathrm{SU}(3)$ twisted gradient flow strong coupling without topology freezing | We investigate the role of topology in the lattice determination of the
renormalized strong coupling via the gradient flow. This is done adopting the
Parallel Tempering on Boundary Conditions to deal with the infamous topological
freezing problem that affects standard local updating algorithms. We show that,
even in th... | 2403.13607v1 |
2024-03-20 | Nonequilibrium quantum heat transport between structured environments | We apply the hierarchical equations of motion technique to analyzing
nonequilibrium heat transport in a spin-boson type model, whereby heat transfer
through a central spin is mediated by an intermediate pair of coupled harmonic
oscillators. The coupling between each pair of oscillators is shown to
introduce a localized... | 2403.13904v1 |
2024-03-22 | Tunable ultrastrong magnon magnon coupling and spin Hall magnetoresistance in a van der Waals antiferromagnet | Antiferromagnetic (AFM) magnons and the manipulation of magnetisation via
spin currents in van der Waals (vdW) materials offer substantial potential for
applications in magnonics and spintronics. In this study, we demonstrate
ultrastrong magnon-magnon coupling in the GHz regime within a vdW AFM,
achieving a remarkable ... | 2403.15558v1 |
2024-04-07 | Constant-roll inflation with non-minimally derivative coupling | We investigate the constant-roll inflation with non-minimally kinetic
coupling to the Einstein tensor. With the slow-roll parameter $\eta_\phi =
-\ddot{\phi}/(H\dot{\phi})$ being a constant, we calculate the power spectra
for scalar and tensor perturbations, and derive the expressions for the scalar
spectral tilt $n_s$... | 2404.04978v1 |
2024-04-08 | Cosmological fluids with boundary term couplings | Cosmological models can be studied effectively using dynamical systems
techniques. Starting from Brown's formulation of the variational principle for
relativistic fluids, we introduce new types of couplings involving a perfect
fluid, a scalar field, and boundary terms. We describe three different coupling
models, one o... | 2404.05301v1 |
2024-04-09 | Complete Active Space Iterative Coupled Cluster Theory | In this work, we investigate the possibility of improving
multireference-driven coupled cluster (CC) approaches with an algorithm that
iteratively combines complete active space (CAS) calculations with tailored CC
and externally corrected CC. This is accomplished by establishing a feedback
loop between the CC and CAS p... | 2404.06070v1 |
1995-02-21 | Coupling Impedances and Heating due to Slots in the KEK B-factory | The longitudinal and transverse coupling impedances produced by the long
slots in the Low Energy Ring of KEK B-factory are calculated. The power
dissipated inside the vacuum chamber due to the fields scattered by the slots
is evaluated using results for the real part of the coupling impedance.
Estimates are made for th... | 9502002v1 |
1998-10-29 | Coherence and synchronization in diode-laser arrays with delayed global coupling | The dynamics of a semiconductor-laser array whose individual elements are
coupled in a global way through an external mirror is numerically analysed. A
coherent in-phase solution is seen to be preferred by the system at
intermediate values of the feedback coupling strength. At low values of this
parameter, a strong amp... | 9810007v1 |
1998-11-04 | COBE-DMR constraints on a inflation model with non-minimal scalar field | We derive the power spectra of the scalar- and tensor-type structures
generated in a chaotic-type inflation model based on non-minimally coupled
scalar field with a self interaction. By comparing contributions of
both-structures to the anisotropy of the cosmic microwave background radiation
with the four-year COBE-DMR ... | 9811069v1 |
1999-01-13 | Neutrino emission via the plasma process in a magnetized plasma | Neutrino emission via the plasma process using the vertex formalism for QED
in a strongly magnetized plasma is considered. A new vertex function is
introduced to include the axial vector part of the weak interaction. Our
results are compared with previous calculations, and the effect of the axial
vector coupling on neu... | 9901156v1 |
1999-07-24 | Kaon condensation in neutron stars and high density behaviour of nuclear symmetry energy | We study the influence of a high density behaviour of the nuclear symmetry
energy on a kaon condensation in neutron stars. We find that the symmetry
energy typical for several realistic nuclear potentials, which decreases at
high densities, inhibits kaon condensation for weaker kaon-nucleon couplings.
There exists a th... | 9907339v1 |
1999-10-18 | Carbon Burning in Supernovae and Evolving Physical Constants | The C(12)+C(12) => Ne(20)+He(4) fusion reaction rate is shown to be extremely
sensitive to variations in the strong coupling constant. Connection with the
strong coupling constant is established by using the one boson exchange
potential for the nuclear forces and then relating the meson masses and
coupling constants of... | 9910328v1 |
2002-03-01 | Loop Corrections to Scalar Quintessence Potentials | The stability of scalar quintessence potentials under quantum fluctuations is
investigated for both uncoupled models and models with a coupling to fermions.
We find that uncoupled models are usually stable in the late universe. However,
the coupling to fermions is severely restricted. We check whether a graviton
induce... | 0203018v2 |
2002-12-16 | Magnetogenesis, variation of gauge couplings and inflation | The interplay among the possible variation of gauge coupling and the
inflationary dynamics is investigated in a simplified toy model. Depending upon
various parameters (scalar mass, curvature scale at the end of inflation and at
the onset of the radiation epoch), the two-point function of the magnetic
inhomogeneities g... | 0212346v1 |
2003-07-24 | Salvaging 1/R gravity models | This paper has been withdrawn by the author. It was argued that increasing F'
would reduce the strength of the scalar coupling to matter. This argument
failed to realize that the gravitational coupling to matter is controlled by
the same power of F', hence the scalar always couples with the same strength as
gravity. | 0307423v3 |
2004-05-19 | Nucleosynthesis and the variation of fundamental couplings | We determine the influence of a variation of the fundamental ``constants'' on
the predicted helium abundance in Big Bang Nucleosynthesis. The analytic
estimate is performed in two parts: the first step determines the dependence of
the helium abundance on the nuclear physics parameters, while the second step
relates tho... | 0405373v1 |
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