English
Related papers

Related papers: Proposal for the numerical solution of planar QCD

200 papers

We describe a novel framework for partially quenched chiral perturbation theory based on the replica method. The computational rules are exceedingly simple. We illustrate these rules by computing the partially quenched chiral condensate to…

High Energy Physics - Lattice · Physics 2009-10-31 P. H. Damgaard , K. Splittorff

In the large N_c(number of colors) limit, quenched QCD and QCD are identical. This implies that, in the effective field theory framework, some of the low energy constants in (N_c=3) quenched QCD and QCD are the same up to higher-order…

High Energy Physics - Lattice · Physics 2015-06-25 Jiunn-Wei Chen

We compute meson propagators in finite-volume quenched chiral perturbation theory.

High Energy Physics - Lattice · Physics 2015-06-25 P. H. Damgaard , M. C. Diamantini , P. Hernandez , K. Jansen

With the generalized factorization approximation, we calculate the branching ratios and CP asymmetries in B meson decays into two charmless pseudoscalar mesons. We give a new estimation of the matrix elements of (S+P)(S-P) current products…

High Energy Physics - Phenomenology · Physics 2009-10-31 Dongsheng Du , Deshan Yang , Guohuai Zhu

The regime of small isospin chemical potential in QCD is investigated. Using the phase quenched partition function in the $\epsilon$-regime an expression for the chiral condensate is given, which is studied in the temperature isospin…

High Energy Physics - Lattice · Physics 2010-03-25 Juliane Mirsa Moller

We evaluate equal time point to point spatial correlation functions of mesonic currents at finite temperature. For this purpose we consider the QCD vacuum structure in terms of quark antiquark condensates and their fluctuations in terms of…

High Energy Physics - Phenomenology · Physics 2014-11-17 Varun Sheel , Hiranmaya Mishra , Jitendra C. Parikh

A numerical method is presented for first-principle simulations of charged colloidal dispersions in electrolyte solutions. Utilizing a smoothed profile for colloid-solvent boundaries, efficient mesoscopic simulations are enabled for…

Soft Condensed Matter · Physics 2007-05-23 Kang Kim , Ryoichi Yamamoto

An approach to understanding the light scalar meson phenomenology is briefly reviewed.

High Energy Physics - Phenomenology · Physics 2011-09-28 Amir H. Fariborz , Renata Jora , Joseph Schechter

The authors have discussed the method and merit of introducing the curvilinear coordinates into numerical analysis and have shown some numerical examples. However, they used analytical functions for the mappings in the examples and didn't…

Numerical Analysis · Mathematics 2017-11-22 Hiroshi Isshiki , Daisuke Kitazawa

Snapshots of colloidal particles moving on disordered two-dimensional substrates can be used to extract equal-time many-body correlations in their positions. To understand the systematics of these correlations, we perform Monte Carlo…

Soft Condensed Matter · Physics 2019-10-23 N. Shankaraiah , Surajit Sengupta , Gautam I. Menon

We present a tensor-network method for strong-coupling QCD with staggered quarks at nonzero chemical potential. After integrating out the gauge fields at infinite coupling, the partition function can be written as a full contraction of a…

High Energy Physics - Lattice · Physics 2023-02-06 Jacques Bloch , Robert Lohmayer

In this contribution we introduce a mixed interpolation-regression operator for functions defined in some domains of the plane. We focus the attention on the ellipse, an annulus and a polygon. An upper bound for such an operator is…

Numerical Analysis · Mathematics 2026-04-28 Ruymán Cruz-Barroso , Lidia Fernández , Francisco Marcellán , Juan Antonio Villegas

Nucleon magnetic moments display a rich nonanalytic dependence on the quark mass in both quenched and full QCD. They provide a forum for a detailed examination of the connection between quenched and full QCD made possible through the…

High Energy Physics - Phenomenology · Physics 2013-05-30 P. Wang , D. B. Leinweber , A. W. Thomas , R. D. Young

Quenched chiral perturbation theory is extended to include heavy-light mesons. Non-analytic corrections to the decay constants, Isgur-Wise function and masses and mixing of heavy mesons are then computed. The results are used to estimate…

High Energy Physics - Phenomenology · Physics 2010-11-01 Michael J. Booth

The truncation and approximation errors for the set of numerical solutions computed by methods based on the algorithms of different structure are calculated and analyzed for the case of the two-dimensional steady inviscid compressible flow.…

Numerical Analysis · Mathematics 2020-05-14 A. K. Alekseev , A. E. Bondarev

In this work we study the meson vertex $D_sDK^*$ using the QCD sum rules. We compute the three point correlation functions for the three cases of different off-shell mesons. The form factors for each case are fitted to the numerical…

High Energy Physics - Phenomenology · Physics 2021-12-07 A. Cerqueira , B. Osório Rodrigues , M. E. Bracco , C. M. Zanetti

Point-to-point vacuum correlation functions for spatially separated hadron currents are calculated in quenched lattice QCD on a $16^3\times 24$ lattice with $6/g^2=5.7$. The lattice data are analyzed in terms of dispersion relations, which…

High Energy Physics - Lattice · Physics 2008-11-26 M. -C. Chu , J. M. Grandy , S. Huang , J. W. Negele

We calculate the spectral function in pseudoscalar (scalar) channel in the high temperature phase of QCD in presence of a background magnetic field. Spatial and temporal screening masses are determined from the long distance behavior of the…

Nuclear Theory · Physics 2017-11-15 Purnendu Chakraborty

We calculate the response of the microscopic Dirac spectrum to an imaginary isospin chemical potential for QCD with two dynamical flavors in the chiral limit. This extends our previous calculation from the quenched to the unquenched theory.…

High Energy Physics - Lattice · Physics 2009-11-11 P. H. Damgaard , U. M. Heller , K. Splittorff , B. Svetitsky , D. Toublan

In this paper, we consider the computational protein design (CPD) problem, which is usually modeled as a 0/1 programming and is extremely challenging due to its combinatorial properties. We propose an efficient algorithm for solving it.…

Optimization and Control · Mathematics 2024-12-30 Yukai Zheng , Weikun Chen , Qingna Li
‹ Prev 1 4 5 6 7 8 10 Next ›