publicationDate stringlengths 1 2.79k | title stringlengths 1 36.5k ⌀ | abstract stringlengths 1 37.3k ⌀ | id stringlengths 9 47 |
|---|---|---|---|
2021-04-18 | Boundary controllability of two coupled wave equations with space-time first-order coupling in 1-D | This paper is devoted to study exact controllability of two one-dimensional
coupled wave equations with first-order coupling terms with coefficients
depending on space and time. We give a necessary and sufficient condition for
both exact controllability in high frequency in the general case and the unique
continuation ... | 2104.08960v2 |
2021-05-07 | Optomechanical amplification driven by interference of phonon-exciton and phonon-photon couplings | We study theoretically optomechanical damping and amplification spectra for
vibrations interacting with excitonic polaritons in a zero-dimensional
microcavity. We demonstrate, that the spectra strongly depend on the ratio of
the exciton-phonon and the photon-phonon coupling constants. The interference
between these cou... | 2105.03214v1 |
2021-05-11 | Note: Vibronic coupling in light-harvesting complex II revisited | We discuss our recent theoretical work on vibronic coupling mechanisms in a
model energy transfer system in the context of previous 2DEV experiments on a
natural light-harvesting system, light-harvesting complex II (LHCII), where
vibronic signatures were suggested to be involved in energy transfer. In this
comparison, ... | 2105.04725v1 |
2021-05-11 | Symmetry-protected non-Abelian geometric phases in optical waveguides with nonorthogonal modes | The generation of non-Abelian geometric phases from a system of evanescently
coupled waveguides is extended towards the framework of nonorthogonal
coupled-mode theory. Here, we study an experimentally feasible tripod
arrangement of waveguides that contain dark states from which a nontrivial
U(2)-mixing can be obtained ... | 2105.04859v1 |
2021-05-31 | Insights into the performance of loosely-coupled FSI schemes based on Robin boundary conditions | Robin boundary conditions are a natural consequence of employing Nitsche's
method for imposing the kinematic velocity constraint at the fluid-solid
interface. Loosely-coupled FSI schemes based on Dirichlet-Robin or Robin-Robin
coupling have been demonstrated to improve the stability of such schemes with
respect to adde... | 2105.14831v1 |
2021-06-03 | Hybrid coupling of finite element and boundary element methods using Nitsche's method and the Calderon projection | In this paper we discuss a hybridised method for FEM-BEM coupling. The
coupling from both sides use a Nitsche type approach to couple to the trace
variable. This leads to a formulation that is robust and flexible with respect
to approximation spaces and can easily be combined as a building block with
other hybridised m... | 2106.01720v2 |
2021-06-06 | Arazy-Cwikel and Calderón-Mityagin type properties of the couples $(\ell^{p},\ell^{q})$, $0 \le p<q\le\infty$ | We establish Arazy-Cwikel type properties for the family of couples
$(\ell^{p},\ell^{q})$, $0\le p<q\le\infty$, and show that $(\ell^{p},\ell^{q})
$ is a Calder\'on-Mityagin couple if and only if $q\ge1$. Moreover, we identify
interpolation orbits of elements with respect to this couple for all $p$ and
$q$ such that $0... | 2106.03083v2 |
2021-06-10 | Invariant cones for linear elliptic systems with gradient coupling | We discuss counterexamples to the validity of the weak Maximum Principle for
linear elliptic systems with zero and first order couplings and prove, through
a suitable reduction to a nonlinear scalar equation, a quite general result
showing that some algebraic condition on the structure of gradient couplings
and a coope... | 2106.05523v1 |
2021-06-21 | Unbalanced clustering and solitary states in coupled excitable systems | We demonstrate the mechanisms of emergence and the link between two types of
symmetry-broken states, the unbalanced periodic two-cluster states and solitary
states, in coupled excitable systems with prevalent repulsive interactions.
Solitary states in non-locally coupled arrays inherit their dynamical features
from unb... | 2106.10930v1 |
2021-06-22 | Wave Dark Matter Non-minimally Coupled to Gravity | We consider a model where a light scalar field (with mass $\lesssim 30\, {\rm
eV}$), conjectured to be dark matter, has a non-minimal coupling to gravity. In
the non-relativistic limit, this new coupling introduces a self-interaction
term in the scalar-field equation of motion, and modifies the source term for
the grav... | 2106.11971v1 |
2021-07-11 | Local and nonlocal energy-based coupling models | In this paper we study two different ways of coupling a local operator with a
nonlocal one in such a way that the resulting equation is related to an energy
functional. In the first strategy the coupling is given via source terms in the
equation and in the second one a flux condition in the local part appears. For
both... | 2107.05083v1 |
2021-07-23 | Coherent coupling of mechanics to a single nuclear spin | Nuclear spins interact weakly with their environment. In particular, they are
generally insensitive to mechanical vibrations. Here, we successfully
demonstrate the coherent coupling of mechanics to a single nuclear spin. This
coupling is mediated by a silicon vacancy (SiV) centre in diamond, taking
advantage of its lar... | 2107.10961v1 |
2021-07-29 | All-optical transistor with cavity polaritons | we investigate the transmission of probe laser beam in a coupled-cavity
system with polaritons by using standard input-output relation of optical
fields, and proposed a theoretical schema for realizing a polariton-based
photonic transistor. On account of effects of exciton-photon coupling and
single-photon optomechanic... | 2107.13714v1 |
2021-08-19 | Stability and Stabilization of Coupled Jump Diffusions and Applications | This paper develops stability and stabilization results for systems of fully
coupled jump diffusions. Such systems frequently arise in numerous applications
where each subsystem (component) is operated under the influence of other
subsystems (components). This paper derives sufficient conditions under which
the underly... | 2108.08866v1 |
2021-08-25 | Stochastic Variational Approach to Small Atoms and Molecules Coupled to Quantum Field Modes | In this work, we present a stochastic variational calculation (SVM) of
energies and wave functions of few particle systems coupled to quantum fields
in cavity QED. The light-matter coupled system is described by the Pauli-Fierz
Hamiltonian. The spatial wave function and the photon spaces are optimized by a
random selec... | 2108.11229v1 |
2021-08-30 | $a_{1}$ meson-nucleon coupling constant at finite temperature from the soft-wall AdS/QCD model | We study the temperature dependence of the $a_1$ meson-nucleon coupling
constant in the framework of the soft-wall AdS/QCD model with thermal dilaton
field. Profile functions for the axial-vector and fermion fields in the
AdS-Schwarzschild metric are presented. It is constructed an interaction
Lagrangian for the fermio... | 2108.13513v2 |
2021-09-07 | Taming lattice artifacts with Pauli--Villars fields | As fermions are added to a lattice gauge theory, one is driven to stronger
bare coupling in order to maintain the same renormalized coupling. Stronger
bare couplings are usually associated with larger gauge fluctuations, leading
to larger cutoff effects and more expensive simulations. In theories with many
light fermio... | 2109.02790v1 |
2021-09-07 | Creating moving gap solitons in spin-orbit-coupled Bose-Einstein condensates | A simple and efficient method to create gap solitons is proposed in a
spin-orbit-coupled spin-1 Bose-Einstein condensate. We find that a free
expansion along the spin-orbit coupling dimension can generate two moving gap
solitons, which are identified from a generalized massive Thirring model. The
dynamics of gap solito... | 2109.02871v1 |
2021-10-25 | Signatures of Weak Spin-Phonon Coupling in 12R-BaTi0.4Mn0.6O3: A Raman Study | Antiferromagnetic materials with strong spin-phonon coupling have the
potential for spintronic applications. Here, we report the structural,
magnetic, and vibrational properties of 12R-BaTi0.4Mn0.6O3.
Temperature-dependent magnetization data show the presence of weak
antiferromagnetic interactions. Correlation between ... | 2110.13807v1 |
2021-11-16 | Pairing of electro-magnetic bosons under spin-orbit coupling | We discuss pairing of light-matter bosons under effective spin-orbit (SO)
coupling in two-dimensional semiconductors. The SO coupling is shown to induce
dynamical broadening of a two-body bound state. Application of a transverse
magnetic field yields the rich Feshbach resonance phenomenology. We predict
quantum bosonic... | 2111.08782v1 |
2021-11-22 | Particle and spin transports of spin-orbit coupled Fermi gas through a Quantum Point Contact | The particle and spin transport through a quantum point contact between two
Fermi gases with Raman-induced spin-orbit coupling are investigated. We show
that the particle and spin conductances both demonstrate the structure of
plateau due to the mesoscopic scale of the quantum point contact. Compared with
the normal Fe... | 2111.11054v1 |
2021-11-24 | Donnan Equilibrium Revisited: Coupling between Ion Concentrations, Osmotic Pressure, and Donnan Potential | This paper discusses the little-known fact that Donnan's equilibrium criteria
established over 100 years ago neglected the coupling between ion
concentrations and the osmotic pressure. Such coupling can be treated based on
general thermodynamic considerations including the solvent equilibrium, leading
to a membrane pot... | 2111.12565v1 |
2021-11-29 | Competing Correlated Insulators in multi-orbital systems coupled to phonons | We study the interplay between electron-electron interaction and a
Jahn-Teller phonon coupling in a two-orbital Hubbard model. We demonstrate that
the e-ph interaction coexists with the Mott localization driven by the Hubbard
repulsion U, but it competes with the Hund's coupling J. This interplay leads
to two spectacul... | 2111.14663v1 |
2021-11-30 | Global weak solutions for the Landau-Lifshitz-Gilbert-Vlasov-Maxwell system coupled via emergent electromagnetic fields | Motivated by recent models of current driven magnetization dynamics, we
examine the coupling of the Landau-Lifshitz-Gilbert equation and classical
electron transport governed by the Vlasov-Maxwell system. The interaction is
based on space-time gyro-coupling in the form of emergent electromagnetic
fields of quantized he... | 2111.15482v1 |
2021-12-27 | Symplecticity of coupled Hamiltonian systems | We derived a condition under which a coupled system consisting of two
finite-dimensional Hamiltonian systems becomes a Hamiltonian system. In many
cases, an industrial system can be modeled as a coupled system of some
subsystems. Although it is known that symplectic integrators are suitable for
discretizing Hamiltonian... | 2112.13589v1 |
2022-01-02 | Quantitative control of Wasserstein distance between Brownian motion and the Goldstein--Kac telegraph process | In this manuscript, we provide a non-asymptotic process level control between
the telegraph process and the Brownian motion with suitable diffusivity
constant via a Wasserstein distance with quadratic average cost. In addition,
we derive non-asymptotic estimates for the corresponding time average $p$-th
moments. The pr... | 2201.00422v3 |
2022-03-28 | Ruling out an inflation driven by a power law potential: kinetic coupling does not help | We demonstrate that the latest constraints on inflationary observables,
namely the tensor-to-scalar ratio $r$ and the scalar spectral index $n_{_S}$,
from the Cosmic Background Radiation (CMB) observations are already strong
enough to rule out the model of a scalar field with a power law potential even
in the presence ... | 2203.14599v3 |
2022-04-08 | Stability of Multi-dimensional Nonlinear Piezoelectric Beam with Viscoelastic Infinite Memory | The long time behavior of a kind of fully magnetic effected nonlinear
piezoelectric beam with viscoelastic infinite memory is considered. The
well-posedness of this nonlinear coupled PDEs system is showed by mean of the
semigroup theories and Banach fixed point theorem. Based on frequency domain
analysis, it is proved ... | 2204.03824v2 |
2022-06-17 | Dynamics of a nonminimally coupled scalar field in asymptotically $AdS_4$ spacetime | We numerically investigate the stability of four-dimensional asymptotically
anti-de Sitter ($AdS_4$) spacetime for a class of nonminimally coupled scalar
field theories. In particular, we study how the coupling affects the formation
of black holes and transfer of energy to different spatial/temporal scales. We
conclude... | 2206.08854v2 |
2022-06-25 | High cooperativity coupling of rare earth spins with planar superconducting resonator | Interfacing superconducting microwave resonator with rare earth doped
crystals presents a promising hybrid quantum system for applications including
spin-assisted transducers and memories. The coupling strength between spins of
rare earth ions and the microwave photons is characterized by the
cooperativity. Here we rep... | 2206.12646v1 |
2022-07-12 | Controlled unidirectional reflectionlessness by coupling strength in a non-Hermitian waveguide quantum electrodynamics system | Unidirectional reflectionlessness is investigated in a waveguide quantum
electrodynamics system that consists of a cavity and a $\Lambda$-type
three-level quantum dot coupled to a one-dimensional plasmonic waveguide.
Analytical expressions of transmission and reflection coefficients are derived
and discussed for both r... | 2207.05440v1 |
2022-07-25 | Pure dephasing induced single-photon parametric down-conversion in an ultrastrong coupled plasmon-exciton system | In coupled quantum systems pure dephasing mechanisms acting on one
constituent of the hybrid system break symmetry and enable optical transitions
which are forbidden in the non-coupled system, i.e., the pure dephasing bath
opens a cascaded dissipation pathway. Here we show that this mechanism enables
single-photon indu... | 2207.12293v1 |
2022-07-27 | Squeezing of a coupled state of two spin-1 systems | The nature of spin squeezing has been studied earlier for a coupled state of
two spinors by Usha Devi et. al. (J. Phys. A: Math. Gen. 36 5333 (2003)). In
this paper, we extend this study to a coupled state of two spin-1 systems.
Here, we show that the direct product of two spin-1 states exhibits squeezing
unlike the di... | 2207.13439v1 |
2022-08-03 | Thermalization of weakly coupled non-Abelian plasmas at next-to-leading order | We employ the QCD kinetic theory, including next-to-leading(NLO) order
corrections in coupling constant, to study the evolution of weakly coupled
non-Abelian plasmas towards thermal equilibrium. For two characteristic
far-from-equilibrium systems with either under- or over-occupied initial
conditions, the NLO correctio... | 2208.02196v1 |
2022-08-04 | Globally coupled Anosov diffeomorphisms: Statistical properties | We study infinite systems of globally coupled Anosov diffeomorphisms with
weak coupling strength. Using transfer operators acting on anisotropic Banach
spaces, we prove that the coupled system admits a unique physical invariant
state, $h_\varepsilon$. Moreover, we prove exponential convergence to
equilibrium for a suit... | 2208.02517v3 |
2022-08-10 | Improving quantum annealing by engineering the coupling to the environment | A large class of optimisation problems can be mapped to the Ising model where
all details are encoded in the coupling of spins. The task of the original
mathematical optimisation is then equivalent to finding the ground state of the
corresponding spin system which can be achieved via quantum annealing relying
on the ad... | 2208.05270v1 |
2022-08-11 | Exact analytical soliton solutions of $N$-component coupled nonlinear Schrödinger equations with arbitrary nonlinear parameters | Exact analytical soliton solutions play an important role in soliton fields.
Soliton solutions were obtained with some special constraints on the nonlinear
parameters in nonlinear coupled systems, but they usually do not holds in real
physical systems. We successfully release all usual constrain conditions on
nonlinear... | 2208.05696v1 |
2022-08-29 | The Hierarchical Parity Model | Hierarchical spin-glasses are Ising spin models defined by recursively
coupling together two equally-sized sub-systems. In this work a new
hierarchical spin system is introduced wherein the sub-systems are recursively
coupled together through the parity of their spins. Exact Renormalization Group
recursion equations fo... | 2208.13316v1 |
2022-08-29 | The Effect of Duschinskii Rotations on Spin-Dependent Electron Transfer Dynamics | We investigate spin-dependent electron transfer in the presence of a
Duschinskii rotation. In particular, we propagate dynamics for a two-level
model system for which spin-orbit coupling introduces an interstate coupling of
the form $e^{iWx}$, which is both position(x)-dependent and complex-valued. We
demonstrate that ... | 2208.13378v1 |
2022-10-20 | Dissociation slowdown by collective optical response under strong coupling conditions | We consider an ensemble of diatomic molecules resonantly coupled to an
optical cavity under strong coupling conditions at normal incidence.
Photodissociation dynamics is examined via direct numerical integration of the
coupled Maxwell-Schrodinger equations with molecular ro-vibrational degrees of
freedom explicitly tak... | 2210.10943v2 |
2022-11-23 | Asynchronous global-local non-invasive coupling for linear elliptic problems | This paper presents the first asynchronous version of the Global/Local
non-invasive coupling, capable of dealing efficiently with multiple, possibly
adjacent, patches. We give a new interpretation of the coupling in terms of
primal domain decomposition method, and we prove the convergence of the relaxed
asynchronous it... | 2211.13073v1 |
2022-12-16 | Giant optomechanical coupling and dephasing protection with cavity exciton-polaritons | Electronic resonances can significantly enhance the photon-phonon coupling in
cavity optomechanics, but are normally avoided due to absorption losses and
dephasing by inhomogeneous broadening. We experimentally demonstrate that
exciton-polaritons in semiconductor microcavities enable GHz optomechanics with
single-parti... | 2212.08269v1 |
2022-12-21 | Shape-tension coupling produces nematic order in an epithelium vertex model | We study the vertex model for epithelial tissue mechanics extended to include
coupling between the cell shapes and tensions in cell-cell junctions. This
coupling represents an active force which drives the system out of equilibrium
and leads to the formation of nematic order interspersed with prominent,
long-lived $+1$... | 2212.11037v1 |
2023-01-12 | Analytical Approximations for Generalized Landau-Zener Transitions in Multi-level Non-Hermitian Systems | We study the dynamics of non-adiabatic transitions in non-Hermitian
multi-level parabolic models where the separations of the diabatic energies are
quadratic function of time. The model Hamiltonian has been used to describe the
non-Hermitian dynamics of two pairs of coupled cavities. In the absence of the
coupling betw... | 2301.04816v1 |
2023-02-10 | Patterning by dynamically unstable spin-orbit-coupled Bose-Einstein condensates | In a two-dimensional atomic Bose-Einstein condensate, we demonstrate Rashba
spin-orbit coupling can always introduce dynamical instability into specific
zero-quasimomentum states in all parameter regimes. During the evolution of the
zero-quasimomentum states, such spin-orbit-coupling-induced instability can
fragment th... | 2302.05101v2 |
2023-02-23 | Classic Harmonic Oscillator Model of Coupled Metal Nanoparticles with Arbitrary Configuration in Plane | A classic harmonic oscillator model is developed to investigate the optical
properties of coupled metal nanoparticles (MNPs) with arbitrary configuration
in plane. The coupling coefficients are derived from classical electrodynamics.
Using this model, we can easily obtain the spectra of coupled MNPs varying with
the co... | 2302.11986v1 |
2023-03-02 | Energy-Conserving Coupled Trajectory Mixed Quantum Classical Dynamics | The coupled-trajectory mixed quantum classical method (CTMQC), derived from
the exact factorization approach, has successfully predicted photo-chemical
dynamics in a number of interesting molecules, capturing population transfer
and decoherence from first-principles. However, due to the approximations made,
CTMQC does ... | 2303.01376v1 |
2023-03-02 | An injective martingale coupling | We give an injective martingale coupling; in particular, given measures $\mu$
and $\nu$ in convex order on $\mathbb{R}$ such that $\nu$ is continuous, we
construct a martingale coupling $\pi$ of the two measures with disintegration
$\pi(dx,dy) = \pi_x(dy) \mu(dx)$ such that $\#\{ x : y \in \textrm{supp}( \pi_x
) \} = 1... | 2303.01578v1 |
2023-03-07 | Some Coupled Fixed Point Theorems for (ψ, φ)- contraction with Applications to Fractals | In this paper, we obtain coupled fixed point theorem for (\psi,
\phi)-contractions under some generalized conditions on the real valued
functions \psi and \phi defined on (0,\infinity). Also, we present a
generalized version of coupled fixed point theorem for the same (\psi, \phi)-
contractions. A new approach to fract... | 2303.03710v1 |
2023-03-07 | Quadrupole instability of static scalarized black holes | The addition of a Ricci coupling to Einstein-scalar-Gauss-Bonnet theories
makes general relativity a cosmological attractor. Previous work considered a
quadratic coupling function with two independent coupling constants in such
theories and showed that static, spherically symmetric, spontaneously
scalarized black holes... | 2303.04107v1 |
2023-03-10 | Theory of nonlinear whispering gallery mode dynamics in a cylindrical microresonator with a radius variation | We propose a comprehensive model describing the Kerr nonlinear dynamics of an
electric field in a cylindrical microresonator with an effective radius
variation, coupled to a radiation source. The proposed system of equations for
coupled azimuthal modes takes into account full azimuthal dispersion as well as
the influen... | 2303.05795v1 |
2023-03-17 | K-Essence Induced by Derivative Couplings of the Inflaton | We consider two models which couple derivatives of the inflaton to ordinary
matter, both to fermions and to scalars. Such couplings induce changes to the
inflaton kinetic energy, analogous to the cosmological Coleman-Weinberg
potentials which come from nonderivative couplings. Our purpose is to
investigate whether thes... | 2303.09880v2 |
2023-05-25 | Linear Ultrastrong Optomechanical Interaction | Light-matter interaction in the ultrastrong coupling regime can be used to
generate exotic ground states with two-mode squeezing and may be of use for
quantum enhanced sensing. Current demonstrations of ultrastrong coupling have
been performed in fundamentally nonlinear systems. We report a cavity
optomechanical system... | 2305.16226v1 |
2023-05-28 | The asymptotic behaviour of the many-body coupled cluster amplitudes | We analyze the asymptotic behaviour of the coupled cluster many-body
wave-function in the limit of highly excited two- and three-particles states.
We find that in this limit the different coupled cluster amplitudes exhibit a
recurring behaviour, factorizing into a common asymptotic two- or three-body
term. These asympt... | 2305.17649v1 |
2023-06-15 | Toward collective chemistry by strong light-matter coupling | Strong light-matter coupling provides a versatile and novel means to
manipulate chemical processes. Here we develop a theoretical framework to
investigate the spectroscopy and dynamics of a molecular ensemble embedded in
an optical cavity under the collective strong coupling regime. This theory is
constructed by a pseu... | 2306.08944v1 |
2023-06-21 | A Precise Electron EDM Constraint on CP-odd Heavy-Quark Yukawas | CP-odd Higgs couplings to bottom and charm quarks arise in many extensions of
the standard model and are of potential interest for electroweak baryogenesis.
These couplings induce a contribution to the electron EDM. The experimental
limit on the latter then leads to a strong bound on the CP-odd Higgs couplings.
We poin... | 2306.12478v1 |
2023-07-04 | Exponentially long transient time to synchronization of coupled chaotic circle maps in dense random networks | We study the transition to synchronization in large, dense networks of
chaotic circle maps, where an exact solution of the mean-field dynamics in the
infinite network and all-to-all coupling limit is known. In dense networks of
finite size and link probability of smaller than one, the incoherent state is
meta-stable fo... | 2307.01606v1 |
2023-07-08 | Coupling high-overtone bulk acoustic wave resonators via superconducting qubits | In this work, we present a device consisting of two coupled transmon qubits,
each of which are coupled to an independent high-overtone bulk acoustic wave
resonator (HBAR). Both HBAR resonators support a plethora of acoustic modes,
which can couple to the qubit near resonantly. We first show qubit-qubit
interaction in t... | 2307.05544v1 |
2023-07-18 | Propagation of Coupled Acoustic, Electromagnetic and Spin Waves in Saturated Ferromagnetoelastic Solids | We study the propagation of plane waves in an unbounded body of a saturated
ferromagnetoelastic solid. The equations by Tiersten for small fields
superposed on finite initial fields in a saturated ferromagnetoelastic material
are employed, with their quasistatic magnetic field extended to dynamic
electric and magnetic ... | 2307.09171v1 |
2023-07-22 | Spin-orbit-coupling-induced phase separation in trapped Bose gases | In a trapped spin-1/2 Bose-Einstein condensate with miscible interactions, a
two-dimensional spin-orbit coupling can introduce an unconventional spatial
separation between the two components. We reveal the physical mechanism of such
a spin-orbit-coupling-induced phase separation. Detailed features of the phase
separati... | 2307.12177v2 |
2023-07-27 | A minimal quantum heat pump based on high-frequency driving and non-Markovianity | We propose a minimal setup for a quantum heat pump, consisting of two
tunnel-coupled quantum dots, each hosting a single level and each being coupled
to a different fermionic reservoir. The working principle relies on both
non-Markovian system-bath coupling and driving induced resonant coupling. We
describe the system ... | 2307.14892v1 |
2023-08-10 | Asymptotic stability conditions for linear coupled impulsive systems with time-invariant subsystems | This article proposes an approach to construct a Lyapunov function for a
linear coupled impulsive system consisting of two time-invariant subsystems. In
contrast to various variants of small-gain stability conditions for coupled
systems, the asymptotic stability property of independent subsystems is not
assumed. To ana... | 2308.05635v1 |
2023-08-21 | Chaotic behavior in diffusively coupled systems | We study emergent oscillatory behavior in networks of diffusively coupled
nonlinear ordinary differential equations. Starting from a situation where each
isolated node possesses a globally attracting equilibrium point, we give, for
an arbitrary network configuration, general conditions for the existence of the
diffusiv... | 2308.10472v1 |
2023-08-23 | Tensor meson couplings in AdS/QCD | We study the hadronic and radiative couplings of the $f_2(1270)$ meson within
the hard- and soft-wall models of AdS/QCD. The results for the tensor
meson-nucleon-nucleon coupling ($g_{f_2NN}$) and tensor meson-photon-vector
meson coupling ($g_{f_2\gamma\rho}$) are compared to the ones obtained by using
the dispersion r... | 2308.12392v2 |
2023-08-31 | Suppressing electron disorder-induced heating of ultracold neutral plasma via optical lattice | Disorder-induced heating (DIH) prevents ultracold neutral plasma into
electron strong coupling regime. Here we propose a scheme to suppress
electronic DIH via optical lattice. We simulate the evolution dynamics of
ultracold neutral plasma constrained by three-dimensional optical lattice using
classical molecular dynami... | 2308.16473v1 |
2023-09-18 | Electrically coupled optomechanical cavities as a tool for quantum nondemolition measurement | We present a new model of two electrically coupled optomechanical cavities.
This model is based on the recently presented [Physical Review A \textbf{103}
(2021) 043509]. We found that coupling two optomechanical cavities via Coulomb
force leads to cross-Kerr interactions between those cavities. We show that
such system... | 2309.10159v1 |
2023-07-03 | Uncertainty principles associated with the short time quaternion coupled fractional Fourier transform | In this paper, we extend the coupled fractional Fourier transform of a
complex valued functions to that of the quaternion valued functions on
$\mathbb{R}^4$ and call it the quaternion coupled fractional Fourier transform
(QCFrFT). We obtain the sharp Hausdorff-Young inequality for QCFrFT and obtain
the associated R\`en... | 2309.16675v1 |
2023-10-04 | Weakly coupled systems of eikonal equations for autonomous vehicles | In this paper, we study solutions for a weakly coupled system of eikonal
equations arising in an optimal path-planning problem for autonomous vehicles.
The model considered takes into account the possibility of two types of
breakdown, partial and total, which happen at a known, spatially inhomogeneous
rate. In particul... | 2310.02966v1 |
2023-10-05 | Negative Coupling $φ^4$ on the Lattice | Triviality of $\phi^4$ theory in four dimensions can be avoided if the bare
coupling constant is negative in the UV. Theories with negative coupling can be
put on the lattice if the integration domain for $\phi(x)$ is contour-deformed
from the real to the complex domain. In 0+1d (quantum mechanics), one can
recover res... | 2310.03815v1 |
2023-10-20 | A model for time-evolution of coupling constants | A general model is proposed for time-varying coupling constants in field
theory, assuming the ultraviolet cutoff is a varying entity in the expanding
universe. It is assumed that the cutoff depends on the scale factor of the
universe and all bare couplings remain constant. This leads to varying
renormalized coupling co... | 2310.13308v2 |
2023-10-21 | Reduction of Couplings in the Type-II 2HDM | The idea of reduction of couplings consists in the search for relations
between seemingly independent couplings of a renormalizable theory that are
renormalization group invariant. In this article, we demonstrate the existence
of such 1-loop relations among the top Yukawa, the Higgs quartic and the gauge
colour couplin... | 2310.14014v1 |
2023-11-15 | Bounds on Quartic Gauge Couplings in HEFT from Electroweak Gauge Boson Pair Production at the LHC | Precision measurements of anomalous quartic couplings of electroweak gauge
bosons allow us to search for deviations of the Standard Model predictions and
signals of new physics. Here, we obtain the constraints on anomalous quartic
gauge couplings using the presently available data on the production of
gauge-boson pairs... | 2311.09300v1 |
2023-11-16 | Coupled high-finesse optical Fabry-Perot microcavities | Optical fiber Fabry-Perot cavities have been a development facilitating the
efficient integration of high-finesse cavities into fiber-optic assemblies. In
this work, we demonstrate coupling of two high-finesse fiber cavities by direct
photon tunneling between them. We detect the coupled mode spectra and
demonstrated th... | 2311.09647v1 |
2023-12-01 | Precise tests of the axion coupling to tops | We present an in-depth analysis of axions and axion-like particles in
top-pair production at the LHC. Our main goal is to probe the axion coupling to
top quarks at high energies. To this end, we calculate the top-antitop cross
section and differential distributions including ALP effects up to one-loop
level. By compari... | 2312.00872v1 |
2023-12-06 | Controllability issues for parabolic-elliptic systems involving nonlocal couplings | This work addresses controllability properties for some systems of partial
differential equations in which the main feature is the coupling through
nonlocal integral terms. In the first part, we study a nonlinear
parabolic-elliptic system arising in mathematical biology and, using recently
developed techniques, we show... | 2312.03432v1 |
2023-12-11 | Leptogenesis with a Coupling Knob | We propose a novel leptogenesis mechanism wherein the coupling between the
right-handed neutrino and Standard Model particles is temperature-dependent. In
this mechanism, the coupling experiences suppression at high temperatures and
becomes sizable when the washout processes are Boltzmann-suppressed. This
temperature-d... | 2312.06380v1 |
2024-01-11 | Factorization of Coupling Constant in Background Field | Due to color confinement, hadrons are inseparable when studying strong
interactions. The paper mainly studies the scattering in the background field,
especially the scattering of quarks in the hadronic background field. We
discovered that the coupling constant within the background field is made up of
the distribution ... | 2401.05694v2 |
2024-01-16 | The effect of iron layer thickness on the interlayer exchange coupling in Fe/MgO (001) superlattices | We describe the effect of the Fe layer thickness on the antiferromagnetic
interlayer exchange coupling in [Fe/MgO]$_N$ superlattices. An increase in
coupling strength with increasing Fe layer thickness is observed, which
highlights the need of including the extension of both the layers when
discussing the interlayer ex... | 2401.08336v1 |
2024-01-17 | A Distributed Magnetostatic Resonator | This work reports the design, fabrication, and characterization of
coupling-enhanced magnetostatic forward volume wave resonators with significant
spur suppression. The fabrication is based on surface micro-machining of
yttrium iron garnet (YIG) film on a gadolinium gallium garnet (GGG) substrate
with thick gold transd... | 2401.08911v1 |
2024-02-28 | Direct and retrograde signal propagation in unidirectionally coupled Wilson-Cowan oscillators | Certain biological systems exhibit both direct and retrograde propagating
wave signals, despite unidirectional neural coupling. However, there is no
model to explain this. Therefore, the underlying physics of reversing the
signal's direction for one-way coupling remains unclear. Here, we resolve this
issue using a Wils... | 2402.18100v2 |
2024-03-06 | Coupled free fermion conformal field theories | We study a specific class of CFTs that involve coupled free fermions, arising
from parafermion CFTs and lattice constructions. We analyse their
representation spaces and the underlying exclusion statistics of coupled free
fermions using specific bases. In one particular case, we reveal an unexpected
connection between ... | 2403.03471v1 |
2024-03-14 | Vertex coupling interpolation in quantum chain graphs | We analyze band spectrum of the periodic quantum graph in the form of a chain
of rings connected by line segments with the vertex coupling which violates the
time reversal invariance, interpolating between the $\delta$ coupling and the
one determined by a simple circulant matrix. We find that flat bands are
generically... | 2403.09457v1 |
2024-03-15 | Long-time behavior for discretization schemes of Fokker-Planck equations via couplings | Continuous-time Markov chains associated to finite-volume discretization
schemes of Fokker-Planck equations are constructed. Sufficient conditions under
which quantitative exponential decay in the $\phi$-entropy and Wasserstein
distance are established, implying modified logarithmic Sobolev, Poincar\'e,
and discrete Be... | 2403.10111v1 |
2006-06-17 | Mode Coupling and Cavity-Quantum-Dot Interactions in a Fiber-Coupled Microdisk Cavity | A quantum master equation model for the interaction between a two-level
system and whispering-gallery modes (WGMs) of a microdisk cavity is presented,
with specific attention paid to current experiments involving a semiconductor
quantum dot (QD) embedded in a fiber-coupled, AlGaAs microdisk cavity. In
standard single m... | 0606142v4 |
2007-06-11 | Strong atom-field coupling for Bose-Einstein condensates in an optical cavity on a chip | An optical cavity enhances the interaction between atoms and light, and the
rate of coherent atom-photon coupling can be made larger than all decoherence
rates of the system. For single atoms, this strong coupling regime of cavity
quantum electrodynamics (cQED) has been the subject of spectacular experimental
advances,... | 0706.1390v2 |
2010-08-10 | Bridging frustrated-spin-chain and spin-ladder physics: quasi-one-dimensional magnetism of BiCu2PO6 | We derive and investigate the microscopic model of the quantum magnet
BiCu2PO6 using band structure calculations, magnetic susceptibility and
high-field magnetization measurements, as well as ED and DMRG techniques. The
resulting quasi-one-dimensional spin model is a two-leg AFM ladder with
frustrating next-nearest-nei... | 1008.1771v2 |
2012-12-13 | Coherent phonon manipulation in coupled mechanical resonators | Coupled mechanical oscillations were first observed in paired pendulum clocks
in the mid-seventeenth century and were extensively studied for their novel
sympathetic oscillation dynamics. In this era of nanotechnologies, coupled
oscillations have again emerged as subjects of interest when realized in
nanomechanical res... | 1212.3097v1 |
2012-12-20 | Higgs Couplings at the End of 2012 | Performing a fit to all publicly available data, we analyze the extent to
which the latest results from the LHC and Tevatron constrain the couplings of
the Higgs boson-like state at ~ 125 GeV. To this end we assume that only
Standard Model (SM) particles appear in the Higgs decays, but tree-level Higgs
couplings to the... | 1212.5244v3 |
2015-04-15 | A General Analysis of Wtb anomalous Couplings | We investigate new physics effects on the Wtb effective couplings in a
model-independent manner. The new physics effects are summarized as four
independent couplings $f_1^L$, $f_1^R$, $f_2^L$ and $f_2^R$. Using
single-top-quark productions and W-helicity fraction measurements at the LHC
and Tevatron, we perform a globa... | 1504.03785v2 |
2014-05-26 | Top Yukawa coupling measurement with indefinite CP Higgs in $e^+e^-\to t\bar{t}Φ$ | We consider the issue of the top quark Yukawa coupling measurement in a model
in dependent and general case with the inclusion of CP-violation in the
coupling. Arguably the best process to study this coupling is the associa ted
production of Higgs boson along with a $t\bar t$ pair in a machine like the
International Li... | 1405.6465v1 |
2018-09-28 | Engineering long spin coherence times of spin-orbit systems | Spin-orbit coupling fundamentally alters spin qubits, opening pathways to
improve the scalability of quantum computers via long distance coupling
mediated by electric fields, photons, or phonons. It also allows for new
engineered hybrid and topological quantum systems. However, spin qubits with
intrinsic spin-orbit cou... | 1809.10859v2 |
2018-10-23 | The Key Player Problem in Complex Oscillator Networks and Electric Power Grids: Resistance Centralities Identify Local Vulnerabilities | Identifying key players in a set of coupled individual systems is a
fundamental problem in network theory. Its origin can be traced back to social
sciences and led to ranking algorithms based on graph theoretic centralities.
Coupled dynamical systems differ from social networks in that, they are
characterized by degree... | 1810.09694v1 |
2022-09-15 | Spin-orbital-angular-momentum-coupled quantum gases | We briefly review the recent progress of theories and experiments on
spin-orbital-angular-momentum (SOAM)-coupled quantum gases. The coupling
between the intrinsic degree of freedom of particles and their external orbital
motions widely exists in universe, and leads to a broad variety of fundamental
phenomena both in t... | 2209.07051v2 |
2023-02-23 | Minimum-Entropy Coupling Approximation Guarantees Beyond the Majorization Barrier | Given a set of discrete probability distributions, the minimum entropy
coupling is the minimum entropy joint distribution that has the input
distributions as its marginals. This has immediate relevance to tasks such as
entropic causal inference for causal graph discovery and bounding mutual
information between variable... | 2302.11838v1 |
2023-02-06 | On the use of Lagrange Multiplier State-Space Substructuring in dynamic substructuring analysis | In this article, the formulation of Lagrange Multiplier State-Space
Substructuring (LM-SSS) is presented and extended to directly compute coupled
displacement and velocity state-space models. The LM-SSS method is applied to
couple and decouple state-space models established in the modal domain.
Moreover, it is used tog... | 2303.15297v1 |
2023-05-03 | Nontrivial Quantum Geometry and the Strength of Electron-Phonon Coupling | The coupling of electrons to phonons (electron-phonon coupling) is crucial
for the existence of various phases of matter, in particular superconductivity
and density waves. While the consequences of nontrivial quantum
geometry/topology are well-established in electronic bands, countless studies
of the bulk electron-pho... | 2305.02340v1 |
2007-02-01 | Probing the Coupling between Dark Components of the Universe | We place observational constraints on a coupling between dark energy and dark
matter by using 71 Type Ia supernovae (SNe Ia) from the first year of the
five-year Supernova Legacy Survey (SNLS), the cosmic microwave background (CMB)
shift parameter from the three-year Wilkinson Microwave Anisotropy Probe
(WMAP), and the... | 0702015v3 |
1994-08-03 | Exact calculation of the ground state single-particle Green's function for the $1/r^2$ quantum many body system at integer coupling | The ground state single particle Green's function describing hole propagation
is calculated exactly for the $1/r^2$ quantum many body system at integer
coupling. The result is in agreement with a recent conjecture of Haldane. | 9408008v1 |
1997-08-25 | Effects of Phonons and Nuclear Spins on the Tunneling of a Domain Wall | We consider the quantum dynamics of a magnetic domain wall at low
temperatures, where dissipative couplings to magnons and electrons are very
small. The wall motion is then determined by its coupling to phonons and
nuclear spins, and any pinning potentials. In the absence of nuclear spins
there is a dominant superOhmic... | 9708191v1 |
2002-11-03 | Damping of coupled phonon--plasmon modes | The effect of free carriers on dispersion and damping of coupled
phonon-plasmon modes is considered in the long-wave approximation. The electron
and phonon scattering rate as well as Landau damping are taken into account. | 0211040v1 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.