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Large quantum superpositions of a levitated nanodiamond through spin-optomechanical coupling
Large quantum superpositions levitated nanodiamond spin-optomechanical coupling
2016/1/23
We propose a method to generate and detect large quantum superposition states and arbitrary Fock states for the oscillational mode of an optically levitated nanocrystal diamond. The nonlinear interact...
Robust optimization of adiabatic tapers for coupling to slow-light photonic-crystal waveguides
Tapered structure coupling photonic crystal waveguides candles nano
2015/8/7
We investigate the design of taper structures for coupling to slow-light modes of various photonic-crystal waveguides while taking into account parameter uncertainties inherent in practical fabricatio...
Chiral symmetry and the parity-violating NN pi Yukawa coupling
Lagrange differential pv coupling constant the standard model
2014/12/22
We construct the complete SU(2) parity-violating (PV) π,N,Δ interaction Lagrangian with one derivative, and calculate the chiral corrections to the PV Yukawa NNπ coupling constant hπ through O(1/Λχ3) ...
Coupling a thermodynamically active ice shelf to a regional simulation of the Weddell Sea
thermodynamically active ice shelf regional simulation
2014/12/12
A thermodynamically interactive ice shelf cavity
parameterization is coupled to the Regional Ocean Model
System (ROMS) and is applied to the Southern Ocean domain with enhanced resolution in the Wed...
Two-component solitons under a spatially modulated linear coupling: Inverted photonic crystals and fused couplers
Two-component solitons spatially modulated linear Inverted photonic crystals fused couplers Optics
2012/5/29
We study two-component solitons and their symmetry-breaking bifurcations (SBBs) in linearly coupled photonic systems with a spatially inhomogeneous strength of the coupling. One system models an inver...
We recently put forth a new fundamental lattice Hamiltonian based on an underlying picture of electrons and deuterons as elementary Dirac particles. Within this model there appears a term in which lat...
Scaling laws for the non-linear coupling constant of a Bose-Einstein condensate at the threshold of delocalization
Scaling laws the non-linear coupling constant Bose-Einstein condensate threshold of delocalization
2012/2/28
We explore the localization of a quasi-one-, quasi-two-, and three-dimensional ultra-cold gas by a finite-range defect along the corresponding 'free'-direction/s. The time-independent non-linear Schro...
Running coupling in electroweak interactions of leptons from f(R)-gravity with torsion
Running coupling electroweak interactions leptons f(R)-gravity with torsion
2012/2/23
The f(R)-gravitational theory with torsion is considered for one family of leptons; it is found that the torsion tensor gives rise to interactions having the structure of the weak forces while the int...
The required bias field of a sperimagnetic film is governed by a finite exchange coupling coefficient ~l! mainly determined by the subnetwork coupling. From the study of a series of ~Dy,Tb!FeCo films ...
Exchange coupling coefficient and domain wall mobility of (Dy,Tb)FeCo magneto-optical films
2011/11/30
The magnetic properties and recording characteristics of ~Dy,Tb!FeCo films are dependent upon the anisotropy dispersion of rare earth constituents and the exchange integral between rare earth and tran...
Bottle microresonator with actively stabilized evanescent coupling
Bottle microresonator evanescent coupling sub-wavelength-diameter coupling fiber
2011/8/11
Abstract: The evanescent coupling of light between a whispering-gallery-mode bottle microresonator and a sub-wavelength-diameter coupling fiber is actively stabilized by means of a Pound-Drever-Hall t...
Optimized coupling of cold atoms into a fiber using a blue-detuned hollow-beam funnel
Optimized coupling cold atoms fiber blue-detuned hollow-beam funnel
2011/8/11
Abstract: We theoretically investigate the process of coupling cold atoms into the core of a hollow-core photonic-crystal optical fiber using a blue-detuned Laguerre-Gaussian beam. In contrast to the ...
We determine the value of the omega -rho- pi mesons coupling (g_{omega rho pi}), in the context of the vector meson dominance model, from radiative decays, the omega -> 3 pi decay width and the e^+e^-...
Thomas-Fermi approximation to pairing in finite Fermi systems. The weak coupling regime
Thomas-Fermi approximation to pairing Fermi systems weak coupling regime
2011/7/20
We present a new semiclassical theory for describing pairing in finite Fermi systems. It is based on taking the $\hbar \to 0$, i.e. Thomas-Fermi, limit of the gap equation written in the basis of the ...
Lie-algebraic structure of 2D harmonic oscillator with non-separable complex coupling
Lie-algebra Non-Hermitian quantum mechanics PT-symmetry Multidimensional models Harmonic oscillator Exactly solvable
2011/10/8
Abstract: Using SU(2)X SU(2) Lie-group structure we obtain the algebraization of 2D harmonic oscillator model with complex quadratic coupling. It is shown that the original time-independent Schr\"odin...