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Searches for violations of the fundamental symmetries of parity P and time reversal T in atomic and molecular systems provide a powerful tool for precise measurements of the physics of and beyond the standard model. In this work, we…

原子物理 · 物理学 2024-12-12 Sebastian Lahs , Daniel Comparat

The AdS/CFT correspondence is an exact duality between string theory in anti-de Sitter space and conformal field theories on its boundary. Inspired in this correspondence some relations between strings and non conformal field theories have…

高能物理 - 理论 · 物理学 2008-11-26 Henrique Boschi-Filho , Nelson R. F. Braga

We show how the basic Combinatory Homomorphic Automatic Differentiation (CHAD) algorithm can be optimised, using well-known methods, to yield a simple, composable, and generally applicable reverse-mode automatic differentiation (AD)…

编程语言 · 计算机科学 2023-11-15 Tom Smeding , Matthijs Vákár

We calculate the QCD cross-over temperature, the equation of state and fluctuations of conserved charges at finite density by analytical continuation from imaginary to real chemical potentials. Our calculations are based on new continuum…

核理论 · 物理学 2016-11-23 R. Bellwied , S. Borsanyi , Z. Fodor , J. Gunther , S. D. Katz , A. Pasztor , C. Ratti , K. K. Szabo

We consider radiative corrections to false vacuum decay in a four-dimensional scalar field theory with cubic and quartic potential. Using planar thin wall approximation we were able to get analytical expression for the decay rate up to two…

高能物理 - 唯象学 · 物理学 2019-03-28 M. A. Bezuglov , A. I. Onishchenko

The trace anomaly for a conformally invariant scalar field theory on a curved manifold of positive constant curvature with boundary is considered. In the context of a perturbative evaluation of the theory's effective action explicit…

高能物理 - 理论 · 物理学 2009-11-10 George Tsoupros

We prove sharp, computable error estimates for the propagation of errors in the numerical solution of ordinary differential equations. The new estimates extend previous estimates of the influence of data errors and discretisation errors…

数值分析 · 数学 2015-04-28 Benjamin Kehlet , Anders Logg

A scaling analysis is made of the order parameter describing monopole condensation at the deconfining transition of N_f=2 QCD around the chiral point. In accordance with scaling properties of the specific heat, studied in a previous paper,…

高能物理 - 格点 · 物理学 2008-11-26 M. D'Elia , A. Di Giacomo , B. Lucini , G. Paffuti , C. Pica

Here we demonstrate workably accurate estimation of optical excitation threshold for large systems comprising of hundreds of atoms through an anti-causally corrected(ACC) real-time dynamics(RTD) approach implemented in a minimal…

材料科学 · 物理学 2023-06-13 Joydev De , Manoar Hossain , Joydeep Bhattacharjee

We study the convergence of the Augmented Decomposition Algorithm (ADA) proposed in [32] for solving multi-block separable convex minimization problems subject to linear constraints. We show that the global convergence rate of the exact ADA…

最优化与控制 · 数学 2018-08-28 Hongsheng Liu , Shu Lu

We use the real-time finite-temperature AdS/CFT correspondence to compute the effect of general R^2 corrections to the gravitational action in AdS space on the shear viscosity of the dual gauge theory. The R^2 terms in AdS_5 are determined…

高能物理 - 理论 · 物理学 2009-01-27 Yevgeny Kats , Pavel Petrov

A recently developed linear algebraic method for the computation of perturbation expansion coefficients to large order is applied to the problem of a hydrogenic atom in a magnetic field. We take as the zeroth order approximation the $D…

chem-ph · 物理学 2009-10-22 Timothy C. Germann , Dudley R. Herschbach , Bruce M. Boghosian

In this paper, we consider dyonic charged AdS black hole which is holographic dual of a van der Waals fluid. We use logarithmic corrected entropy and study thermodynamics of the black hole and show that holographic picture is still valid.…

广义相对论与量子宇宙学 · 物理学 2016-09-07 J. Sadeghi , B. Pourhassan , M. Rostami

We study duality in $\mathcal{N}=1$ supersymmetric QCD in the non-Abelian Coulomb phase, order-by-order in scheme-independent series expansions. Using exact results, we show how the dimensions of various fundamental and composite chiral…

高能物理 - 理论 · 物理学 2018-04-04 Thomas A. Ryttov , Robert Shrock

We develop an accurate finite-time scaling analysis of the angular width of the coherent backscattering (CBS) peak for waves propagating in 3D random media. Applying this method to ultracold atoms in optical speckle potentials, we show how…

无序系统与神经网络 · 物理学 2016-04-26 Sanjib Ghosh , Dominique Delande , Christian Miniatura , Nicolas Cherroret

We employed density functional theory-based ab initio molecular dynamics simulations to examine the hydration structure of several common alkali and alkali earth metal cations. We found that the commonly used atom pairwise dispersion…

化学物理 · 物理学 2023-09-08 Vojtech Kostal , Philip E. Mason , Hector Martinez-Seara , Pavel Jungwirth

We provide a Mathematica package that evaluates the QCD analytic couplings (in the Euclidean domain) $\mathcal{A}_{\nu}(Q^2)$, which are analytic analogs of the powers $a(Q^2)^{\nu}$ of the underlying perturbative QCD (pQCD) coupling…

高能物理 - 唯象学 · 物理学 2015-03-04 Cesar Ayala , Gorazd Cvetic

Weak measurement has been proven to amplify the detection of changes in meters while discarding most photons due to the low probability of post-selection. Previous power-recycling schemes enable the failed post-selection photons to be…

量子物理 · 物理学 2024-03-18 Zi-Rui Zhong , Yue Chen , Wei-Jun Tan , Xiang-Ming Hu , Qing-Lin Wu

A relativistic version of the coupled-cluster single-double (CCSD) method is developed for atoms with a single valence electron. In earlier work, a linearized version of the CCSD method (with extensions to include a dominant class of triple…

原子物理 · 物理学 2009-11-13 Rupsi Pal , M. S. Safronova , W. R. Johnson , Andrei Derevianko , Sergey G. Porsev

We determine the curvature of the pseudo-critical line of $N_f = 2 + 1$ QCD with physical quark masses via Taylor expansion in the quark chemical potentials. We adopt a discretization based on stout improved staggered fermions and the tree…

高能物理 - 格点 · 物理学 2018-09-26 Claudio Bonati , Massimo D'Elia , Francesco Negro , Francesco Sanfilippo , Kevin Zambello