publicationDate stringlengths 1 2.79k | title stringlengths 1 36.5k ⌀ | abstract stringlengths 1 37.3k ⌀ | id stringlengths 9 47 |
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2015-08-27 | The Zbb Couplings at Future e+e- Colliders | Many new physics models predict sizable modifications to the SM Zbb
couplings, while the corresponding measurements at LEP and SLC exhibit some
discrepancy with the SM predictions. After updating the current results on the
Zbb coupling constraints from global fits, we list the observables that are
most important for im... | 1508.07010v2 |
2016-03-10 | Classical Integrability for Three-point Functions: Cognate Structure at Weak and Strong Couplings | In this paper, we develop a new method of computing three-point functions in
the SU(2) sector of the $\mathcal{N}=4$ super Yang-Mills theory in the
semi-classical regime at weak coupling, which closely parallels the strong
coupling analysis. The structure threading two disparate regimes is the
so-called monodromy relat... | 1603.03164v3 |
2016-03-24 | Method for observing robust and tunable phonon blockade in a nanomechanical resonator coupled to a charge qubit | Phonon blockade is a purely quantum phenomenon, analogous to Coulomb and
photon blockades, in which a single phonon in an anharmonic mechanical
resonator can impede the excitation of a second phonon. We propose an
experimental method to realize phonon blockade in a driven harmonic
nanomechanical resonator coupled to a ... | 1603.07546v2 |
2016-10-27 | Strong-coupling Properties of a $p$-wave Interacting Fermi Gas on the Viewpoint of Specific Heat at Constant Volume | We theoretically investigate the specific heat $C_V$ at constant volume in
the normal state of a $p$-wave interacting Fermi gas. Including fluctuations in
the $p$-wave Cooper channel within the framework of the strong-coupling theory
developed by Nozi\`eres and Schmitt-Rink, we clarify how $C_V$ as a function of
temper... | 1610.08598v1 |
2016-10-27 | Preheating after multifield inflation with nonminimal couplings, III: Dynamical spacetime results | This paper concludes our semi-analytic study of preheating in inflationary
models comprised of multiple scalar fields coupled nonminimally to gravity.
Using the covariant framework of paper I in this series, we extend the
rigid-spacetime results of paper II by considering both the expansion of the
universe during prehe... | 1610.08916v2 |
2017-07-01 | Joint Time Allocation and Power Control in Multi-Cell Networks with Load Coupling: Energy Saving and Rate Improvement | In this paper, we consider the problems of minimizing sum power and
maximizing sum rate for multi-cell networks with load coupling, where coupling
relation occurs among cells due to inter-cell interference. This coupling
relation is characterized by the signal-to-interference-and-noise-ratio (SINR)
coupling model with ... | 1707.00123v1 |
2017-07-02 | An approach based on distributed dislocations and disclinations for crack problems in couple-stress elasticity | The technique of distributed dislocations proved to be in the past an
effective approach in studying crack problems within classical elasticity. The
present work is intended to extend this technique in studying crack problems
within couple-stress elasticity, i.e. within a theory accounting for effects of
microstructure... | 1707.00287v1 |
2017-07-04 | A minimal model of an autonomous thermal motor | We consider a model of a Brownian motor composed of two coupled overdamped
degrees of freedom moving in periodic potentials and driven by two heat
reservoirs. This model exhibits a spontaneous breaking of symmetry and gives
rise to directed transport in the case of a non- vanishing interparticle
interaction strength. F... | 1707.01070v4 |
2017-07-10 | Semi-analytical RWA formalism to solve Schrödinger equations for multi-qubit systems with resonator couplings | In this study, we develop a semi-analytical framework to solve generalized
Jaynes-Tavis-Cummings Hamiltonians describing multi-qudit systems coupled via
EM resonators. Besides the multi-level generalization we allow for an arbitrary
number of resonators and/or modes, with nonidentical couplings to the qudits.
Our metho... | 1707.02862v3 |
2017-07-18 | Chimera states in a multilayer network of coupled and uncoupled neurons | We study the emergence of chimera states in a multilayer neuronal network,
where one layer is composed of coupled and the other layer of uncoupled
neurons. Through the multilayer structure, the layer with coupled neurons acts
as the medium by means of which neurons in the uncoupled layer share
information in spite of t... | 1707.05510v1 |
2017-07-19 | Exploiting one-dimensional exciton-phonon coupling for tunable and efficient single-photon generation with a carbon nanotube | Condensed-matter emitters offer enriched cavity quantum electrodynamical
effects due to the coupling to external degrees of freedom. In the case of
carbon nanotubes a very peculiar coupling between localized excitons and the
one-dimensional acoustic phonon modes can be achieved, which gives rise to
pronounced phonon wi... | 1707.06041v1 |
2017-11-02 | Quantum simulation of the quantum Rabi model in a trapped ion | The quantum Rabi model, involving a two-level system and a bosonic field
mode, is arguably the simplest and most fundamental model describing quantum
light-matter interactions. Historically, due to the restricted parameter
regimes of natural light-matter processes, the richness of this model has been
elusive in the lab... | 1711.00582v1 |
2017-11-02 | An electronic Maxwell demon in the coherent strong-coupling regime | We consider a feedback control loop rectifying particle transport through a
single quantum dot that is coupled to two electronic leads. While monitoring
the occupation of the dot, we apply conditional control operations by changing
the tunneling rates between the dots and its reservoirs, which can be
interpreted as the... | 1711.00706v2 |
2017-11-09 | Interference coupling analysis based on a hybrid method: application for radio telescope system | Working in a way that passively receives the electromagnetic radiation of
celestial body, the radio telescope is easily disturbed by external radio
frequency interference (RFI) as well as the electromagnetic interference (EMI)
generated by electric and electronic components operating at telescope site.
The quantitative... | 1711.03257v1 |
2017-11-13 | Circularly-Coupled Markov Chain Sampling | I show how to run an N-time-step Markov chain simulation in a circular
fashion, so that the state at time 0 follows the state at time N-1 in the same
way as states at times t follow those at times t-1 for 0<t<N. This wrap-around
of the chain is achieved using a coupling procedure, and produces states that
all have clos... | 1711.04399v1 |
2017-11-24 | Fermionic reaction coordinates and their application to an autonomous Maxwell demon in the strong coupling regime | We establish a theoretical method which goes beyond the weak coupling and
Markovian approximations while remaining intuitive, using a quantum master
equation in a larger Hilbert space. The method is applicable to all impurity
Hamiltonians tunnel-coupled to one (or multiple) baths of free fermions. The
accuracy of the m... | 1711.08914v3 |
2018-10-04 | Bottom-up approach to massive spin-two theory in arbitrary curved spacetime | The linear theory of massive spin-two field in arbitrary curved background is
investigated. In flat spacetime, the Fierz-Pauli model is well-known as the
unique linear theory describing the massive spin-two field. On the other hand,
in order to construct the massive spin-two theory in fixed curved background
with arbit... | 1810.02065v1 |
2018-10-07 | Thermoelectric transport through a finite-$U$ quantum dot side-coupled to Majorana bound state | We study the thermoelectric transport through a single-level quantum dot (QD)
coupled to two normal metallic leads and side-coupled to Majorana bound state
(MBS). The Coulomb interaction in QD is considered. To investigate only the
influence of MBS on thermoelectric transport, we focus on the relatively high
temperatur... | 1810.03161v2 |
2018-10-10 | Compact and lightweight 1.5 μm lidar with a multi-mode fiber coupling free-running InGaAs/InP single-photon detector | We present a compact and lightweight 1.5 {\mu}m lidar using a free-running
single-photon detector (SPD) based on a multi-mode fiber (MMF) coupling
InGaAs/InP negative feedback avalanche diode. The ultimate light detection
sensitivity of SPD highly reduces the power requirement of laser, whilst the
enhanced collection e... | 1810.04322v2 |
2019-05-23 | Control of coherence resonance by self-induced stochastic resonance in a multiplex neural network | We consider a two-layer multiplex network of diffusively coupled
FitzHugh-Nagumo (FHN) neurons in the excitable regime. It is shown, in contrast
to SISR in a single isolated FHN neuron, that the maximum noise amplitude at
which SISR occurs in the network of coupled FHN neurons is controllable,
especially in the regime ... | 1905.09607v1 |
2020-06-24 | Landau levels in spin-orbit coupling proximitized graphene: bulk states | We study the magnetic-field dependence of Landau levels in graphene
proximitized by large spin-orbit coupling materials, such as transition-metal
dichalcogenides or topological insulators. In addition to the Rashba coupling,
two types of intrinsic spin-orbit interactions, uniform (Kane-Mele type) and
staggered (valley ... | 2006.13651v1 |
2020-09-03 | Gravitational dynamics in the Higgs-dark matter sector toy model: the field theoretic perspective | The objective of the paper was to examine gravitational evolutions in the
Higgs--dark matter sector toy model. The real part of the Higgs doublet was
modelled by a neutral scalar. Two dark matter candidates introduced were the
dark photon and a charged complex scalar. Non-minimal couplings of both scalars
to gravity we... | 2009.01600v2 |
2020-09-09 | Non-Markovian modeling of Fermi-Bose systems coupled to one or several Fermi-Bose thermal baths | A method is proposed to describe Fermi or Bose systems coupled to one or
several heat baths composed of fermions and/or bosons. The method, called
Coupled Equations of Motion method, properly includes non-Markovian effects.
The approach is exact in the Full-Coupling approximation when only bosonic
particles are present... | 2009.04152v1 |
2020-09-23 | Higgs Coupling Measurements and the Scale of New Physics | A primary goal of present and future colliders is measuring the Higgs
couplings to Standard Model (SM) particles. Any observed deviation from the SM
predictions for these couplings is a sign of new physics whose energy scale can
be bounded from above by requiring tree-level unitarity. In this paper, we
extend previous ... | 2009.11293v2 |
2020-09-28 | The application of adaptive perturbation theory in strongly coupled double harmonic oscillator system | The idea of adaptive perturbation theory is to divide a Hamiltonian into a
solvable part and a perturbation part. The solvable part contains the
non-interacting sector and the diagonal elements of Fock space from the
interacting terms. The perturbed term is the non-diagonal sector of Fock space.
Therefore, the perturba... | 2009.13362v6 |
2020-09-29 | Magnetic corrections to the boson self-coupling and boson-fermion coupling in the linear sigma model with quarks | We compute the magnetic field-induced modifications to the boson
self-coupling and the boson-fermion coupling, in the static limit, using an
effective model of QCD, the linear sigma model with quarks. The former is
computed for arbitrary field strengths as well as using the strong field
approximation. The latter is obt... | 2009.13740v2 |
2021-02-02 | Study on the stability of thermoelastic Bresse and Timoshenko type systems with Gurtin-Pipkin's law via the vertical displacements | The objective of this paper is to study the stability of a linear
one-dimensional thermoelastic Bresse system in a bounded domain, where the
coupling is given through the first component of the Bresse model with the heat
conduction of Gurtin-Pipkin type. Two kinds of coupling are considered; the
first coupling is of or... | 2102.01731v1 |
2021-02-23 | Strong-coupling expansion of multi-band interacting models: mapping onto the transverse-field $J_1$-$J_2$ Ising model | We investigate a class of two-dimensional two-band microscopic models in
which the inter-band repulsive interactions play the dominant role. We first
demonstrate three different schemes of constraining the ratios between the
three types of inter-band interactions -- density-density, spin exchange, and
pair-hopping -- t... | 2102.11985v1 |
2021-02-25 | Fiber-pigtailing quantum-dot cavity-enhanced light emitting diodes | We report on a process for the fiber-coupling of electrically driven
cavity-enhanced quantum dot light emitting devices. The developed technique
allows for the direct and permanent coupling of p-i-n-doped quantum dot
micropillar cavities to single-mode optical fibers. The coupling process, fully
carried out at room tem... | 2102.12836v2 |
2013-06-17 | Entanglement Structure of an Open System of $N$ Quantum Oscillators: II. Strong Disparate Couplings N=3 | In this paper we study a system of $N$ coupled quantum oscillators
interacting with each other directly with varying coupling strengths and
indirectly through linear couplings to a scalar massless quantum field as its
environment. The influence of the quantum field on the system is calculated
with the use of the influe... | 1306.3728v1 |
2013-06-20 | Quantum Transport With Two Interacting Conduction Channels | The transport properties of a conduction junction model characterized by two
mutually coupled channels that strongly differ in their couplings to the leads
are investigated. Models of this type describe molecular redox junctions (where
a level that is weakly coupled to the leads controls the molecular charge,
while a s... | 1306.4855v1 |
2013-06-21 | Cosmology with nonminimal kinetic coupling and a power-law potential | We consider cosmological dynamics in the theory of gravity with the scalar
field possessing a nonminimal kinetic coupling to gravity, $\kappa
G_{\mu\nu}\phi^{\mu}\phi^{\nu}$, and the power-law potential
$V(\phi)=V_0\phi^N$. Using the dynamical system method, we analyze all possible
asymptotical regimes of the model und... | 1306.5090v1 |
2015-07-22 | Determining $V_{tb}$ at Electron-Positron Colliders | Verifying $V_{tb} \simeq 1$ is critical to test the three generation
assumption of the Standard Model. So far our best knowledge of $V_{tb}$ is
inferred either from the $3\times 3$ unitarity of CKM matrix or from single
top-quark productions upon the assumption of universal weak couplings. The
unitarity could be relaxe... | 1507.06204v2 |
2015-12-09 | A study of excess energy and decoherence factor of a qubit coupled to a one dimensional periodically driven spin chain | We take a central spin model (CSM), consisting of a one dimensional
environmental Ising spin chain and a single qubit connected globally to all the
spins of the environment, to study numerically the excess energy (EE) of the
environment and the logarithm of decoherence factor namely, dynamical fidelity
susceptibility p... | 1512.02959v1 |
2015-12-11 | Coupled scalar fields in the late Universe: The mechanical approach and the late cosmic acceleration | In this paper, we consider the Universe at the late stage of its evolution
and deep inside the cell of uniformity. At these scales, we consider the
Universe to be filled with dust-like matter in the form of discretely
distributed galaxies, a minimally coupled scalar field and radiation as matter
sources. We investigate... | 1512.03819v3 |
2015-12-28 | Detecting weak coupling in mesoscopic systems with a nonequilibrium Fano resonance | A critical aspect of quantum mechanics is the nonlocal nature of the
wavefunction, a characteristic that may yield unexpected coupling of
nominally-isolated systems. The capacity to detect this coupling can be vital
in many situations, especially those in which its strength is weak. In this
work we address this problem... | 1512.08412v2 |
2016-11-27 | Strong gravitational lensing for the photons coupled to Weyl tensor in a Kerr black hole spacetime | We present firstly equation of motion for the photon coupled to Weyl tensor
in a Kerr black hole spacetime and then study further the corresponding strong
gravitational lensing. We find that black hole rotation makes propagation of
the coupled photons more complicated, which brings some new features for
physical quanti... | 1611.08783v2 |
2017-04-06 | A global view on the Higgs self-coupling | The Higgs self-coupling is notoriously intangible at the LHC. It was recently
proposed to probe the trilinear Higgs interaction through its radiative
corrections to single-Higgs processes. This approach however requires to
disentangle these effects from those associated to deviations of other
Higgs-couplings to fermion... | 1704.01953v2 |
2017-04-15 | Experimental verification of the very strong coupling regime in a GaAs quantum well microcavity | When the coupling between light and matter becomes comparable to the energy
gap between different excited states they hybridize, leading to the appearance
of a rich and complex phenomenology which attracted remarkable interest in
recent years. While the mixing between states with different number of
excitations, so-cal... | 1704.04658v1 |
2017-04-20 | Coupled mode theory for the acoustic wave and spin wave interaction in the magphonic crystals: Propagating magnetoelastic waves | We have investigated co-directional and contra-directional couplings between
spin wave and acoustic wave in one-dimensional periodic structure (magphonic
crystal). The system consists of two ferromagnetic layers alternating in space.
We have taken into consideration materials commonly used in magnonics: yttrium
iron ga... | 1704.06118v1 |
2017-04-20 | Multi-mode ultra-strong coupling in circuit quantum electrodynamics | With the introduction of superconducting circuits into the field of quantum
optics, many novel experimental demonstrations of the quantum physics of an
artificial atom coupled to a single-mode light field have been realized.
Engineering such quantum systems offers the opportunity to explore extreme
regimes of light-mat... | 1704.06208v1 |
2018-08-21 | Observation of Brillouin optomechanical strong coupling with an 11 GHz mechanical mode | Achieving cavity-optomechanical strong coupling with high-frequency phonons
provides a rich avenue for quantum technology development including quantum
state-transfer, memory, and transduction, as well as enabling several
fundamental studies of macroscopic phononic degrees-of-freedom. Reaching such
coupling with GHz me... | 1808.07115v2 |
2019-06-03 | Coupled VAE: Improved Accuracy and Robustness of a Variational Autoencoder | We present a coupled Variational Auto-Encoder (VAE) method that improves the
accuracy and robustness of the probabilistic inferences on represented data.
The new method models the dependency between input feature vectors (images) and
weighs the outliers with a higher penalty by generalizing the original loss
function t... | 1906.00536v4 |
2019-06-05 | Transport and two-way coupling effect of inertial particles by large-scale and very-large-scale motions in turbulence | Direct numerical simulations two-way coupled with inertial particles are used
to investigate the particle distribution and two-way coupling effect of
low-inertia ($St_{LSM}=0.0625$, $St_{VLSM}=0.009$) and high-inertia
($St_{LSM}=0.475$, $St_{VLSM}=0.069$) particles associated with the large-scale
motions (LSMs) and ver... | 1906.01779v1 |
2019-06-07 | Synchronization of complex human networks | The synchronization of human networks is essential for our civilization, and
understanding the motivations, behavior, and basic parameters that govern the
dynamics of human networks is important in many aspects of our lives. Human
ensembles have been investigated in recent years, but with very limited control
over the ... | 1906.03262v1 |
2019-06-24 | Magnetic and Electric Mie-Exciton Polaritons in Silicon Nanodisks | Light-matter interactions at the nanoscale constitute a fundamental
ingredient for engineering applications in nanophotonics and quantum optics. To
this regard electromagnetic Mie resonances excited in high-refractive index
dielectric nanoparticles have recently attracted interest because of their
lower losses and bett... | 1906.09898v1 |
2019-07-12 | Constraints on Dark Matter-Photon Coupling in the Presence of Time-Varying Dark Energy | In a recent work [Phys. Rev. D 98, 043521 (2018)], we have investigated a
dark matter (DM)-photon coupling model in which the DM decays into photons in
the presence of dark energy (DE) with the constant equation of state (EoS)
parameter. Here, we study an extension of the DM-photon coupling model by
considering a time-... | 1907.05886v2 |
2019-07-25 | Broadband Resonator-Waveguide Coupling for Efficient Extraction of Octave Spanning Microcombs | Frequency combs spanning over an octave have been successfully demonstrated
in Kerr nonlinear microresonators on-chip. These micro-combs rely on both
engineered dispersion, to enable generation of frequency components across the
octave, and on engineered coupling, to efficiently extract the generated light
into an acce... | 1907.11002v2 |
2019-07-14 | Comprehending deterministic and stochastic occasional uncoupling induced synchronizations through each other | In this paper, we numerically study the stochastic and the deterministic
occasional uncoupling methods of effecting identical synchronized states in low
dimensional, dissipative, diffusively coupled, chaotic flows that are otherwise
not synchronized when continuously coupled at the same coupling strength
parameter. In ... | 1907.12907v2 |
2019-10-07 | Constraining coupled quintessence with the 21cm signal | The 21cm line probes the evolution of matter perturbations over a wide range
of redshifts, from the dark ages down to the completion of reionization.
Observing the 21cm cosmological signal will extend our understanding of the
evolution of the Universe and it is thus important to investigate the
predictions of different... | 1910.02763v2 |
2020-02-12 | Interplay between spin-orbit coupling and van Hove singularity in the Hund's metallicity of Sr$_2$RuO$_4$ | We investigate the dynamical properties of Sr$_2$RuO$_4$ at zero and very low
temperature using density functional theory plus dynamical mean-field theory
with an exact diagonalization solver. By considering rotationally invariant
local interaction, we examine how Hund's coupling and spin-orbit coupling
affect the corr... | 2002.04825v2 |
2020-02-12 | Delay Effects on Amplitude Death, Oscillation Death, and Renewed Limit Cycle Behavior in Cyclically Coupled Oscillators | The effects of a distributed 'weak generic kernel' delay on cyclically
coupled limit cycle and chaotic oscillators are considered. For coupled Van der
Pol oscillators (and in fact, other oscillators as well) the delay can produce
transitions from amplitude death(AD) or oscillation death (OD) to Hopf
bifurcation-induced... | 2002.05278v1 |
2020-02-17 | Study of the $hγZ$ coupling at the ILC | We study the $h \gamma Z$ coupling, which is a loop induced coupling in the
Standard Model (SM), to probe new physics. In a global fit based on the SM
Effective Field Theory, measurement of the SM $h \gamma Z$ coupling can provide
a very useful constraint, in particular for the precise determination of $hZZ$
and $hWW$ ... | 2002.07164v1 |
2020-02-22 | The Role of Long-lived Excitons in the Dynamics of Strongly Coupled Molecular Polaritons | The concept of modifying molecular dynamics in strongly coupled
exciton-polariton systems is an emerging topic in photonics due to its
potential to produce customized chemical systems with tailored photophysical
properties. However, before such systems can be realized, it is essential to
address the open questions conc... | 2002.09747v1 |
2020-03-28 | Strong Coupling Constants of the Doubly Heavy $ Ξ_{QQ} $ Baryons with $ π$ Meson | The doubly charmed $\Xi_{cc}^{++} (ccu)$ state is the only listed baryon in
PDG, which was discovered in the experiment. The LHCb collaboration gets closer
to discovering the second doubly charmed baryon $\Xi_{cc}^{+} (ccd)$, hence the
investigation of the doubly charmed/bottom baryons from many aspects is of
great imp... | 2003.12723v3 |
2020-04-05 | Spin wave based tunable switch between superconducting flux qubits | Quantum computing hardware has received world-wide attention and made
considerable progress recently. YIG thin film have spin wave (magnon) modes
with low dissipation and reliable control for quantum information processing.
However, the coherent coupling between a quantum device and YIG thin film has
yet been demonstra... | 2004.02156v1 |
2020-04-05 | Effects of the Affordable Care Act Dependent Coverage Mandate on Health Insurance Coverage for Individuals in Same-Sex Couples | A large body of research documents that the 2010 dependent coverage mandate
of the Affordable Care Act was responsible for significantly increasing health
insurance coverage among young adults. No prior research has examined whether
sexual minority young adults also benefitted from the dependent coverage
mandate, despi... | 2004.02296v1 |
2020-04-07 | Atomic self-organization emerging from tunable quadrature coupling | The recent experimental observation of dissipation-induced structural
instability provides new opportunities for exploring the competition mechanism
between stationary and nonstationary dynamics [Science 366, 1496 (2019)]. In
that study, two orthogonal quadratures of cavity field are coupled to two
different Zeeman sta... | 2004.03346v4 |
2020-04-10 | Asymptotic phase-locking dynamics and critical coupling strength for the Kuramoto model | We study the asymptotic clustering (phase-locking) dynamics for the Kuramoto
model. For the analysis of emergent asymptotic patterns in the Kuramoto flow,
we introduce the pathwise critical coupling strength which yields a sharp
transition from partial phase-locking to complete phase-locking, and provide
nontrivial upp... | 2004.05252v1 |
2020-04-16 | Weak magnetic field corrections to light vector or axial mesons mixings and vector meson dominance | Weak magnetic field induced corrections to effective coupling constants
describing light vector mesons mixings and vector meson dominance (VMD) are
derived. The magnetic field must be weak with respect to an effective quark
mass $M^*$ such that: $eB_0/{M^*}^2< 1$ or $eB_0/{M^*}^2<<1$.For that, a flavor
SU(2) quark-quar... | 2004.07883v2 |
2020-05-11 | Electron-phonon coupling in metals at high electronic temperatures | Electron-phonon coupling, being one of the most important parameters
governing the material evolution after ultrafast energy deposition, yet remains
the most unexplored one. In this work, we applied the dynamical coupling
approach to calculate the nonadiabatic electron-ion energy exchange in
nonequilibrium solids with ... | 2005.05186v1 |
2020-05-17 | Solving the issues of multicomponent diffusion in an equiatomic NiCoFeCr medium entropy alloy | Estimating the diffusion coefficients experimentally in a four-component
inhomogeneous alloy following the conventional diffusion couple method by
intersecting three couples at the same composition is difficult unless a small
composition range of constant diffusivity is identified. Additionally, the
intrinsic diffusion... | 2005.08160v1 |
2020-05-17 | Nonlinear modes in spatially confined spin-orbit-coupled Bose-Einstein condensates with repulsive nonlinearity | It was found that spatially confined spin-orbit (SO) coupling, which can be
induced by illuminating Bose-Einstein condensates (BECs) with a Gaussian laser
beam, can help trap a spinor Bose gas in multi-dimensional space. Previous
works on this topic were all based on a Boson gas featuring an attractive
interaction. In ... | 2005.08268v1 |
2020-05-18 | Bichromatic synchronized chaos in coupled optomechanical nanoresonators | Synchronization and chaos are two well known and ubiquitous phenomena in
nature. Interestingly, under specific conditions, coupled chaotic systems can
display synchronization in some of their observables. Here, we experimentally
investigate bichromatic synchronization on the route to chaos of two
non-identical mechanic... | 2005.08896v1 |
2020-05-21 | Theory of exciton transport in molecular crystals strongly coupled to a cavity: A temperature-dependent variational approach | We present a semianalytical theory for exciton transport in organic molecular
crystals interacting strongly with a single cavity mode. Based on the
Holstein-Tavis-Cummings model and the Kubo formula, we derive an exciton
mobility expression in the framework of a temperature-dependent variational
canonical transformatio... | 2005.10795v2 |
2020-07-09 | Critical exponents in coupled phase-oscillator models on small-world networks | A coupled phase-oscillator model consists of phase-oscillators, each of which
has the natural frequency obeying a probability distribution and couples with
other oscillators through a given periodic coupling function. This type of
model is widely studied since it describes the synchronization transition,
which emerges ... | 2007.04539v2 |
2020-07-24 | Gate-Tuned Interlayer Coupling in van der Waals Ferromagnet Fe$_3$GeTe$_2$ Nanoflakes | The weak interlayer coupling in van der Waals (vdW) magnets has confined
their application to two dimensional (2D) spintronic devices. Here, we
demonstrate that the interlayer coupling in a vdW magnet Fe$_3$GeTe$_2$ (FGT)
can be largely modulated by a protonic gate.With the increase of the protons
intercalated among vd... | 2007.12395v1 |
2020-07-30 | Dark D-Brane Cosmology: from background evolution to cosmological perturbations | We study the cosmological predictions of the dark D-brane model, in which
dark matter resides on a D-brane moving in a higher-dimensional space. By
construction, dark matter interacts only gravitationally with the standard
model sector in this framework. The dark energy scalar field is associated with
the position of t... | 2007.15414v2 |
2020-08-18 | Hamiltonian of a flux qubit-LC oscillator circuit in the deep-strong-coupling regime | We derive the Hamiltonian of a superconducting circuit that comprises a
single-Josephson-junction flux qubit inductively coupled to an LC oscillator,
and we compare the derived circuit Hamiltonian with the quantum Rabi
Hamiltonian, which describes a two-level system coupled to a harmonic
oscillator. We show that there ... | 2008.07708v2 |
2020-11-20 | Anisotropy of the spin-orbit coupling driven by a magnetic field in InAs nanowires | We use the $\mathbf{k} \cdot \mathbf{p}$ theory and the envelope function
approach to evaluate the Rashba spin-orbit coupling induced in a semiconductor
nanowire by a magnetic field at different orientations, taking explicitely into
account the prismatic symmetry of typical nano-crystals. We make the case for
the stron... | 2011.10483v1 |
2021-01-06 | Analytically solvable model to the spin Hall effect with Rashba and Dresselhaus spin-orbit couplings | When the Rashba and Dresslhaus spin-orbit coupling are both presented for a
two-dimensional electron in a perpendicular magnetic field, a striking
resemblance to anisotropic quantum Rabi model in quantum optics is found. We
perform a generalized Rashba coupling approximation to obtain a solvable
Hamiltonian by keeping ... | 2101.01906v1 |
2021-01-09 | Transitions between polarization and radicalization in a temporal bilayer echo chambers model | Echo chambers and polarisation dynamics are as of late a very prominent topic
in scientific communities around the world. As these phenomena directly affect
our lives and seemingly more and more as our societies and communication
channels evolve it becomes ever so important for us to understand the
intricacies of opini... | 2101.03430v4 |
2021-01-11 | IFOSMONDI Co-simulation Algorithm with Jacobian-Free Methods in PETSc | IFOSMONDI iterative algorithm for implicit co-simulation of coupled physical
systems (introduced by the authors in july 2019 during the Simultech
conference, p.176-186) enables us to solve the nonlinear coupling function
while keeping the smoothness of interfaces without introducing a delay.
Moreover, it automatically ... | 2101.04485v1 |
2021-03-11 | Efficient DNA-driven nanocavities for approaching quasi-deterministic strong coupling to a few fluorophores | Strong coupling between light and matter is the foundation of promising
quantum photonic devices such as deterministic single photon sources, single
atom lasers and photonic quantum gates, which consist of an atom and a photonic
cavity. Unlike atom-based systems, a strong coupling unit based on an
emitter-plasmonic nan... | 2103.06748v1 |
2021-03-19 | Dynamical renormalization group for mode-coupling field theories with solenoidal constraint | The recent inflow of empirical data about the collective behaviour of
strongly correlated biological systems has brought field theory and the
renormalization group into the biophysical arena. Experiments on bird flocks
and insect swarms show that social forces act on the particles' velocity
through the generator of its... | 2103.10914v1 |
2021-03-23 | Symmetry breaking induced tipping to aging | The competing effect of heterogeneity and symmetry breaking coupling on the
emerging dynamics in a system of N globally coupled Stuart-Landau oscillators
is investigated. Increasing the heterogeneity, using the standard deviation of
the Hopf bifurcation parameter, favors the macroscopic oscillatory state for
low values... | 2103.12341v1 |
2021-03-23 | Assessing the accuracy of tailored coupled cluster methods corrected by electronic wave functions of polynomial cost | Tailored coupled cluster theory represents a computationally inexpensive way
to describe static and dynamical electron correlation effects. In this work, we
scrutinize the performance of various tailored coupled cluster methods
externally corrected by electronic wave functions of polynomial cost.
Specifically, we focus... | 2103.12381v1 |
2021-04-12 | Topological Dissipation in a Time-Multiplexed Photonic Resonator Network | Topological phases feature robust edge states that are protected against the
effects of defects and disorder. The robustness of these states presents
opportunities to design technologies that are tolerant to fabrication errors
and resilient to environmental fluctuations. While most topological phases rely
on conservati... | 2104.05213v1 |
2021-03-23 | Simulation of flow in deformable fractures using a quasi-Newton based partitioned coupling approach | We introduce a partitioned coupling approach for iterative coupling of flow
processes in deformable fractures embedded in a poro-elastic medium that is
enhanced by interface quasi-Newton (IQN) methods. In this scope, a unique
computational decomposition into a fracture flow and a poro-elastic domain is
developed, where... | 2104.05815v1 |
2021-04-14 | Spin-orbit coupling in organic microcavities: Lower polariton splitting, triplet polaritons, and disorder-induced dark-states relaxation | Using an extended Tavis-Cummings model, we study the effect of the spin-orbit
coupling between the singlet and the triplet molecular excitons in organic
microcavities in the strong coupling regime. The model is solved in the single
excitation space for polaritons, which contains the bright (permutation
symmetric) singl... | 2104.07016v3 |
2021-04-25 | Constraints on anomalous Higgs boson couplings to vector bosons and fermions in its production and decay using the four-lepton final state | Studies of $CP$ violation and anomalous couplings of the Higgs boson to
vector bosons and fermions are presented. The data were acquired by the CMS
experiment at the LHC and correspond to an integrated luminosity of 137
fb$^{-1}$ at a proton-proton collision energy of 13 TeV. The kinematic effects
in the Higgs boson's ... | 2104.12152v2 |
2021-04-28 | Peierls/Su-Schrieffer-Heeger polarons in two dimensions | Polarons with different types of electron-phonon coupling have fundamentally
different properties. When the dominant interaction is between the electron
density and lattice displacement, the momentum of the ground state does not
change and the polaron gets exponentially heavy at strong coupling. In
contrast, one-dimens... | 2104.14044v1 |
2021-04-29 | Global portraits of nonminimal teleparallel inflation | We construct the global phase portraits of inflationary dynamics in
teleparallel gravity models with a scalar field nonminimally coupled to torsion
scalar. The adopted set of variables can clearly distinguish between different
asymptotic states as fixed points, including the kinetic and inflationary
regimes. The key ro... | 2104.14258v2 |
2021-05-18 | Effective theory of lattice electrons strongly coupled to quantum electromagnetic fields | Recent experiments have revealed the tantalizing possibility of fabricating
lattice electronic systems strongly coupled to quantum fluctuations of
electromagnetic fields, e.g., by means of geometry confinement from a cavity or
artificial gauge fields in quantum simulators. In this work, we develop a
high-frequency expa... | 2105.08711v2 |
2021-05-25 | Beyond-mean-field effects in Rabi-coupled two-component Bose-Einstein condensate | We theoretically calculate and experimentally measure the beyond-mean-field
(BMF) equation of state in a coherently-coupled two-component Bose-Einstein
condensate (BEC) in the regime where averaging of the interspecies and
intraspecies coupling constants over the hyperfine composition of the
single-particle dressed sta... | 2105.11723v3 |
2021-05-27 | Optimized diamond inverted nanocones for enhanced color center to fiber coupling | Nanostructures can be used for boosting the light outcoupling of color
centers in diamond; however, the fiber coupling performance of these
nanostructures is rarely investigated. Here, we use a finite element method for
computing the emission from color centers in inverted nanocones and the overlap
of this emission wit... | 2105.13333v1 |
2021-06-01 | On the consistency of (partially-)massless matter couplings in de Sitter space | We study the consistency of the cubic couplings of a (partially-)massless
spinning field to two scalars in $\left(d+1\right)$-dimensional de Sitter
space. Gauge invariance of observables with external (partially)-massless
spinning fields translates into Ward-Takahashi identities on the boundary.
Using the Mellin-Barnes... | 2106.00366v1 |
2021-06-09 | Effect of molecular absorption and vibrational modes in polariton assisted photoemission from a layered molecular material | The way molecules absorb, transfer, and emit light can be modified by
coupling them to optical cavities. The extent of the modification is often
defined by the cavity-molecule coupling strength, which depends on the number
of coupled molecules. We experimentally and numerically study the evolution of
photoemission from... | 2106.05329v1 |
2021-06-15 | Cavity magnon-polaritons in cuprate parent compounds | Cavity control of quantum matter may offer new ways to study and manipulate
many-body systems. A particularly appealing idea is to use cavities to enhance
superconductivity, especially in unconventional or high-$T_c$ systems.
Motivated by this, we propose a scheme for coupling Terahertz resonators to the
antiferromagne... | 2106.07828v1 |
2021-06-25 | Move Beyond Trajectories: Distribution Space Coupling for Crowd Navigation | Cooperatively avoiding collision is a critical functionality for robots
navigating in dense human crowds, failure of which could lead to either
overaggressive or overcautious behavior. A necessary condition for cooperative
collision avoidance is to couple the prediction of the agents' trajectories
with the planning of ... | 2106.13667v1 |
2021-06-30 | Electron-magnon coupling and quasiparticle lifetimes on the surface of a topological insulator | The fermionic self-energy on the surface of a topological insulator proximity
coupled to ferro- and antiferromagnetic insulators is studied. An enhanced
electron-magnon coupling is achieved by allowing the electrons on the surface
of the topological insulator to have a different exchange coupling to the two
sublattices... | 2107.00028v2 |
2021-07-07 | Universal Approximation for Log-concave Distributions using Well-conditioned Normalizing Flows | Normalizing flows are a widely used class of latent-variable generative
models with a tractable likelihood. Affine-coupling (Dinh et al, 2014-16)
models are a particularly common type of normalizing flows, for which the
Jacobian of the latent-to-observable-variable transformation is triangular,
allowing the likelihood ... | 2107.02951v1 |
2021-08-26 | Coherent strong-coupling of terahertz magnons and phonons in a Van der Waals antiferromagnetic insulator | Emergent cooperative motions of individual degrees of freedom, i.e.
collective excitations, govern the low-energy response of system ground states
under external stimulations and play essential roles for understanding
many-body phenomena in low-dimensional materials. The hybridization of distinct
collective modes provi... | 2108.11619v1 |
2021-09-03 | MoB2 under Pressure: Superconducting Mo Enhanced by Boron | The discovery of the first high critical temperature (Tc) transition metal
diboride superconductor, MgB2 structure alpha-MoB2 under pressure with Tc up to
32 K at 100 GPa, provides new input into some unexplained aspects of
electron-phonon coupling in intermetallic compounds. We establish that MoB2 is
a phonon-mediated... | 2109.01724v1 |
2021-09-16 | Heavy-meson chiral Lagrangians, effective flavored couplings, SU(4) flavor breaking and their consequences | We review heavy quark flavor and spin symmetries, their exploitation in heavy
meson effective theories and the flavored couplings of charmed and light mesons
in the definition of their effective Lagrangians. We point out how
nonperturbative continuum QCD approaches based on Dyson-Schwinger and
Bethe-Salpeter equations ... | 2109.08076v3 |
2021-10-22 | Stability of a Parametrically Driven, Coupled Oscillator System: An Auxillary Function Method Approach | Coupled, nonlinear oscillators are often studied in applied biology, physics,
fluids, and many other disciplines. In this paper, we study a parametrically
driven, coupled oscillator system where the individual oscillators are
subjected to varying frequency and phase with a focus on the influence of the
damping and coup... | 2110.12021v1 |
2021-11-11 | All-optical scalable spatial coherent Ising machine | Networks of optical oscillators simulating coupled Ising spins have been
recently proposed as a heuristic platform to solve hard optimization problems.
These networks, called coherent Ising machines (CIMs), exploit the fact that
the collective nonlinear dynamics of coupled oscillators can drive the system
close to the ... | 2111.06737v1 |
2021-12-10 | Observation and control of collective spin-wave mode-hybridisation in chevron arrays and square, staircase and brickwork artificial spin ices | Dipolar magnon-magnon coupling has long been predicted in nano-patterned
artificial spin systems. However, observation of such phenomena and related
collective spin-wave signatures have until recently proved elusive or limited
to low-power edge-modes which are difficult to measure experimentally. Here we
describe the r... | 2112.05354v1 |
2021-12-15 | Dynamics of Non-minimally Coupled Scalar Fields in the Jordan Frame | The presence of scalar fields with non-minimal gravitational interactions of
the form $\xi |\phi|^2 R$ may have important implications for the physics of
the early universe. While many studies solve the dynamics of non-minimally
coupled scalars in the Einstein frame, where gravity is simply described by the
Einstein-Hi... | 2112.08388v1 |
2021-12-29 | Free-form micro-optics enabling ultra-broadband low-loss fiber-to-chip coupling | Efficient fiber-to-chip coupling has been a major hurdle to cost-effective
packaging and scalable interconnections of photonic integrated circuits.
Conventional photonic packaging methods relying on edge or grating coupling are
constrained by high insertion losses, limited bandwidth density, narrow band
operation, and ... | 2112.14357v1 |
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