Results 81 to 90 of about 64,823 (307)
Advanced Engineering Materials, EarlyView.Knowledge‐based atomistic workflows are presented for mechanical and thermodynamic properties. By coupling modular simulations with ontology‐aligned metadata and provenance, Fe case studies on elastic behavior, defects, thermal properties, and Hall–Petch strengthening reveal how FAIR, queryable, and reusable simulation data can be generated. Mechanical
Abril Azócar Guzmán +5 more
wiley +1 more source
Gradient flows without blow-up for Lefschetz thimbles
Journal of High Energy Physics, 2017 We propose new gradient flows that define Lefschetz thimbles and do not blow up in a finite flow time. We study analytic properties of these gradient flows, and confirm them by numerical tests in simple examples.
Yuya Tanizaki +2 more
doaj +1 more source
Lattice supersymmetry and topological field theory [PDF]
Nuclear Physics B - Proceedings Supplements, 2003 It is known that certain theories with extended supersymmetry can be discretized in such a way as to preserve an exact fermionic symmetry. In the simplest model of this kind, we show that this residual supersymmetric invariance is actually a BRST symmetry associated with gauge fixing an underlying local shift symmetry. Furthermore, the starting lattice
openaire +2 more sources
An Experimental High‐Throughput Approach for the Screening of Hard Magnet Materials
Advanced Engineering Materials, EarlyView.An entire workflow for the high‐throughput characterization and analysis of compositionally graded magnetic films is presented. Characterization protocols, data management tools and data analysis approaches are illustrated with test case Sm(Fe, V)12 based films.
William Rigaut +16 more
wiley +1 more source
QCD topology with electromagnetic fields and the axion-photon coupling
, 2022 The introduction of non-orthogonal electric and magnetic fields in the QCD vacuum enhances the weight of topological sectors with a nonzero topological charge.
Markó, Gergely +6 more
core +1 more source
Advanced Engineering Materials, EarlyView.This study reports the development of antibacterial ceramic scaffolds derived from natural bovine bone. The bones were processed through sequential boiling and hydrogen peroxide treatment to remove organic matter, producing porous, mineral‐rich scaffolds.
Mohamad Hassan Taherian +6 more
wiley +1 more source
, 2000 The Feynman diagram expansion of relativistic field theories gives rise to integrals that diverge at short distances or equivalently at large momenta. To have a well-defined theory we need to regulate these divergences. There are many ways to do this, but one that has both practical and conceptual advantages is to put the theory on a discrete space ...
openaire +3 more sources
Lattice regularisation of a non-compact boundary conformal field theory
Journal of High Energy Physics, 2021 Non-compact Conformal Field Theories (CFTs) are central to several aspects of string theory and condensed matter physics. They are characterised, in particular, by the appearance of a continuum of conformal dimensions.
Niall F. Robertson +2 more
doaj +1 more source
The breaking of space-time symmetries and the non-conservation of the associated Noether chargesconstitutes a central artifact in lattice field theory.
Rothkopf, Alexander, +5 more
core +1 more source
On extended structures in affine Toda field theory [PDF]
, 1996 Two areas of affine Toda field theory are explored in this thesis. First the introduction of a boundary into the real coupling affine Toda field theory.
Harder, Ulrich Karl Priedrich
core