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Related papers: Static-light matrix elements on a dynamical anisot…

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The von Neumann stability analysis along with a Chapman-Enskog analysis is proposed for a single-relaxation-time lattice Boltzmann Method (LBM) for wave propagation in isotropic linear elastic solids, using a regular D2Q9 lattice. Different…

Computational Engineering, Finance, and Science · Computer Science 2020-09-15 Maxime Escande , Praveen Kumar Kolluru , Louis Marie Cléon , Pierre Sagaut

In our earlier work, the charge and matter radial distributions of heavy-light mesons were measured on a 16^3 times 24 lattice with a lattice spacing of a = 0.17 fm and a light quark mass about that of the strange quark. Several major…

High Energy Physics - Lattice · Physics 2017-08-23 A. M. Green , J. Koponen , P. Pennanen , C. Michael

We give an update on our ongoing investigations of potentials between pairs of static-light mesons in Nf=2 Lattice QCD, in different spin and isospin channels. The question of attraction and repulsion is particularly interesting with…

High Energy Physics - Lattice · Physics 2011-11-10 Gunnar Bali , Martin Hetzenegger

We deliver the realistic ab initio lattice investigations of $K \overline{K}$ scattering. In the Asqtad-improved staggered dynamical fermion formulation, we carefully measure $K\overline{K}$ four-point function in the $I=0$ channel by…

High Energy Physics - Lattice · Physics 2013-12-30 Ziwen Fu

We review recent progress in calculating kaon spectrum, pseudoscalar meson decay constants, $B_K$, $\epsilon'/\epsilon$, $K\to \pi\pi$ matrix elements, kaon semileptonic form factors, and moments of kaon distribution amplitudes on the…

High Energy Physics - Lattice · Physics 2008-11-26 Weonjong Lee

Nonlinear dynamics has an important role when designing modern synchrotron lattices. In this letter, we introduce a new method of using a square matrix to analyze periodic nonlinear dynamical systems [1, 2]. Applying the method to the…

Chaotic Dynamics · Physics 2017-06-08 Yongjun Li , Li Hua Yu , Lingyun Yang

We present an analysis of the continuum extrapolation of $f_B$ in the static approximation from lattice data. The method described here aims to uncover the systematic effects which enter in this extrapolation and has not been described…

High Energy Physics - Lattice · Physics 2009-10-22 C. R. Allton

A new approach to precise determination of atomic matrix elements is described whereby measurement of spectral locations of zeros in the Rayleigh scattering cross-section allows frequency-domain extraction of matrix elements in terms of a…

Quantum Physics · Physics 2015-08-12 M. D. Havey

We present a first study of the charmonium spectrum on N_f=2 dynamical, anisotropic lattices. We take advantage of all-to-all quark propagators to build spatially extended interpolating operators to increase the overlap with states not…

High Energy Physics - Lattice · Physics 2009-11-11 K. J. Juge , A. O'Cais , M. B. Oktay , M. J. Peardon , S. M. Ryan

There has been a recent resurgence of experimental efforts to quantitatively determine the phase diagram of the Bose Hubbard model by carefully analyzing experiments with ultracold bosonic atoms on an optical lattice. In many realizations…

Strongly Correlated Electrons · Physics 2008-08-14 J. K. Freericks

We study the stability of synchronized fixed-point state for linear fractional-order coupled map lattice(CML). We observe that the eigenvalues of the connectivity matrix determine the stability as for integer-order CML. These eigenvalues…

Dynamical Systems · Mathematics 2022-08-29 Sachin Bhalekar , Prashant M. Gade

We present results for the static-light meson from unquenched lattice QCD. The unquenched gauge configurations were generated using the non-perturbatively improved clover action. At the fixed lattice spacing of 0.1 fm the lightest sea quark…

High Energy Physics - Lattice · Physics 2008-11-26 UKQCD Collaboration , Craig McNeile , Chris Michael , Gavin Thompson

We give a brief overview and progress report on our lattice QCD calculation of neutral B mixing hadronic matrix elements needed for Standard Model and Beyond the Standard Model physics. Reference [1] contains more details and results.

High Energy Physics - Lattice · Physics 2019-08-14 C. Bernard , C. M. Bouchard , A. X. El-Khadra , E. D. Freeland , E. Gámiz , A. S. Kronfeld , J. Laiho , R. S. Van de Water

Non-invasive light scattering methods provide data on biological macromolecules (i.e. proteins, nucleic acids, as well as assemblies and larger entities composed of them) that are complementary with those of size exclusion chromatography,…

Biomolecules · Quantitative Biology 2018-10-02 Bernard Lorber

Flux Lines Lattice (FLL) states have been studied using transport measurements and Small Angle Neutron Scattering in low T$_c$ materials. In Pb-In, the bulk dislocations in the FLL do not influence the transport properties. In Fe doped…

Superconductivity · Physics 2009-11-10 A. Pautrat , J. Scola , Ch. Simon , P. Mathieu , C. Goupil , A. Brulet , M. J. Higgins , S. Bhattacharya

A novel method to calculate f_B on the lattice is introduced, based on the study of the dependence of finite size effects upon the heavy quark mass of flavoured mesons and on a non-perturbative recursive finite size technique. We avoid the…

High Energy Physics - Lattice · Physics 2009-11-07 M. Guagnelli , F. Palombi , R. Petronzio , N. Tantalo

We report results from full QCD calculations with two flavors of dynamical staggered fermions on anisotropic lattices. The physical anisotropy as determined from spatial and temporal masses, their corresponding dispersion relations, and…

High Energy Physics - Lattice · Physics 2010-11-15 L. Levkova , T. Manke

Heavy-meson semileptonic decays calculations on the lattice are reviewed. The focus is upon obtaining reliable matrix elements. Errors that depend upon the lattice spacing, $a$, are an important source of systematic error. Full $O(a)$…

High Energy Physics - Lattice · Physics 2009-10-28 James Simone

We demonstrate the viability of improved staggered light quarks in studies of heavy-light systems. Our method for constructing heavy-light operators exploits the close relation between naive and staggered fermions. The new approach is…

High Energy Physics - Lattice · Physics 2009-11-07 Matthew Wingate , Junko Shigemitsu , Christine T. H. Davies , G. Peter Lepage , Howard D. Trottier

In this article, we present an analysis of the stability of optical lattices. Starting with the study of an unstable optical lattice, we establish a necessary and sufficient condition for intrinsic phase stability, and discuss two practical…

Atomic Physics · Physics 2007-05-23 G. Di Domenico , N. Castagna , M. D. Plimmer , P. Thomann , A. V. Taichenachev , V. I. Yudin
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