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Scale-Separation Scheme for Simulating Superfluid Turbulence: Kelvin-Wave Cascade
Kelvin from the distorted wave of vortex superfluid turbulence low temperature the numerical simulation of vortex line
2014/12/20
A Kolmogorov-type cascade of Kelvin waves—the distortion waves on vortex lines—plays a key part in the relaxation of superfluid turbulence at low temperatures. We propose an efficient numeric scheme f...
A time-splitting spectral scheme for the Maxwell-Dirac system
Maxwell-Dirac system time-splitting spectral method semi-classical asymptotics WKB-expansion
2012/5/24
We present a time-splitting spectral scheme for the Maxwell-Dirac system and similar time-splitting methods for the corresponding asymptotic problems in the semi-classical and the non-relativistic reg...
Towards an ultra efficient kinetic scheme. Part I: basics on the BGK equation
Kinetic equations discrete velocity models semi Lagrangian schemes Boltzmann-BGK equation 3D simulation
2012/4/16
In this paper we present a new ultra efficient numerical method for solving kinetic equations. In this preliminary work, we present the scheme in the case of the BGK relaxation operator. The scheme, b...
Space-Efficient Approximation Scheme for Circular Earth Mover Distance
Space-Efficient Approximation Scheme Earth Mover Distance
2012/12/4
The Earth Mover Distance (EMD) between point sets A and B is the minimum cost of a bipartite matching between A and B. EMD is an important measure for estimating similarities between objects with quan...
The fine-tuning problem revisited in the light of the Taylor-Lagrange renormalization scheme
The fine-tuning problem the Taylor-Lagrange renormalization scheme
2010/12/23
We re-analyse the perturbative radiative corrections to the Higgs mass within the Standard Model in the light of the Taylor-Lagrange renormalization scheme. This scheme naturally leads to completely ...
Non-perturbative renormalization of quark mass in Nf=2+1 QCD with the Schroedinger functional scheme
Non-perturbative renormalization of quark mass Nf=2+1 QCD Schroedinger functional scheme
2011/1/13
We present an evaluation of the quark mass renormalization factor for Nf = 2 + 1 QCD.The Schrödinger functional scheme is employed as the intermediate scheme to carry out onperturbative running f...
A Quasi-separation Principle and Newton-like Scheme for Coherent Quantum LQG Control
Quasi-separation Principle Newton-like Scheme Coherent Quantum LQG Control
2010/11/5
This paper is concerned with constructing an optimal controller in the coherent quantum Linear Quadratic Gaussian problem. A coherent quantum controller is itself a quantum system and is required to b...
Dispersive readout scheme for a Josephson phase qubit
Dispersive readout scheme Josephson phase qubit
2010/11/9
We present experimental results on a dispersive scheme for reading out a Josephson phase qubit. A capacitively shunted dc-SQUID is used as a nonlinear resonator which is inductively coupled to the qub...
A Novel Scheme to Search for Fractional Charge Particles in Low Energy Accelerator Experiments
Fractional Charge Particles Low Energy Accelerator Experiments
2010/3/15
In the Standard Model of particle physics, the quarks have fractional charge equal to $\pm1/3$ or $\pm2/3$ of the electron's charge. There have been a large number of experiments in searching for frac...
Physicists in Italy have shown how to transfer entropy from one ultracold gas to another using a laser beam. They say that the resulting low-entropy gas could be the ideal system for investigating qua...
Additional Recursion Relations, Factorizations, and Diophantine Properties Associated with the Polynomials of the Askey Scheme
Additional Recursion Factorizations Diophantine Properties
2009/9/4
In this paper, we apply to (almost) all the “named” polynomials of the Askey scheme, as defined by their standard three-term recursion relations, the machinery developed in previous papers. For each o...
Quantum teleportation scheme by selecting one of multiple output ports
Quantum teleportation one of multiple output ports
2010/4/9
The scheme of quantum teleportation, where Bob has multiple (N) output ports and obtains the teleported state by simply selecting one of the N ports, is thoroughly studied. We consider both determinis...
Scheme for generating coherent state superpositions with realistic cross-Kerr nonlinearity
generating coherent state realistic cross-Kerr nonlinearity
2010/4/9
We present a simple scheme using two identical cross-phase modulation processes in decoherence environment to generate superpositions of two coherent states with the opposite phases, which are known a...
Scheme for proving the bosonic commutation relation using single-photon interference
Scheme bosonic commutation relation single-photon interference
2010/4/8
We propose an experiment to directly prove the commutation relation between bosonic annihilation and creation operators, based on the recent experimental success in single-photon subtraction and addit...
An improved approximation scheme for the centrifugal term and the Hulthen potential
approximation centrifugal term the Hulthen potential
2010/4/7
We present a new approximation scheme for the centrifugal term to solve the Schrodinger equation with the Hulthen potential for any arbitrary l state by means of a mathematical Nikiforov-Uvarov (NU) m...