Results 51 to 60 of about 3,202 (225)
Universality of nonperturbative QCD effects in radiative B decays [PDF]
, 2003 We demonstrate, by an explicit one-loop calculation, that at leading twist the nonperturbative effects in B → γℓνℓ, B → γγ and B → γℓ+ℓ- radiative decays are contained in a common multiplicative factor (ΛB(Eγ), where Eγ is the energy of the photon).
Descotes-Genon, S. +2 more
core +1 more source
Borel and Stokes Nonperturbative Phenomena in Topological String Theory and c=1 Matrix Models [PDF]
, 2009 We address the nonperturbative structure of topological strings and c=1 matrix models, focusing on understanding the nature of instanton effects alongside with exploring their relation to the large-order behavior of the 1/N expansion.
Pasquetti, Sara +3 more
core +4 more sources
Quantum-induced trans-Planckian energy near horizon
Journal of High Energy Physics, 2018 We study the loop effects on the geometry and boundary conditions of several black hole spacetimes one of which is time-dependent and analyze the energy measured by an infalling observer near their horizons.
A. J. Nurmagambetov, I. Y. Park
doaj +1 more source
States of low energy in the Schwinger effect
Journal of High Energy Physics, 2023 States of low energy in cosmology minimise the energy density when smeared in a chosen time interval. We extend such construction to generic homogeneous (possibly anisotropic) particle creation settings.
Álvaro Álvarez-Domínguez +3 more
doaj +1 more source
Nonperturbative many-body physics in the open bosonic string [PDF]
, 1990 We use covariant string field theory to explore many-body string physics. A candidate nonperturbative vacuum is identified via a level-truncation scheme. The breaking of internal and Lorentz symmetries is investigated.
Samuel, S., Kostelecký, V.A.
core +1 more source
Fock space of local fields of the discrete GFF and its scaling limit bosonic CFT
Proceedings of the London Mathematical Society, Volume 133, Issue 1, July 2026.Abstract To connect conformal field theories (CFTs) to probabilistic lattice models, recent works of Hongler et al. and Adame‐Carrillo have introduced a novel definition of local fields of the lattice models. Local fields in this picture are probabilistically concrete: they are built from random variables in the model.
David Adame‐Carrillo +2 more
wiley +1 more source
Nonperturbative Effects and the Large-Order Behavior of Matrix Models and Topological Strings [PDF]
, 2007 This work addresses nonperturbative effects in both matrix models and topological strings, and their relation with the large-order behavior of perturbation theory.
Weiss, Marlene +2 more
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Nanodiamond Quantum Sensors for Probing Free Radical Biology
Advanced Functional Materials, Volume 36, Issue 45, 5 June 2026.Free radicals play key roles in cellular signaling and disease but remain difficult to measure in living systems. Nanodiamonds (NDs) with nitrogen‐vacancy (NV) centers enable quantum sensing of local magnetic noise via T₁ relaxometry, providing nondestructive radical detection in living cells.
Qi Lu, Yingke Wu, Tanja Weil
wiley +1 more source
Static and dynamic properties of the pion from continuum modelling of strong QCD [PDF]
, 2010 We present nonperturbative numerical solutions for the quark propagator Schwinger-Dyson equation (SDE) and pseudoscalar meson Bethe-Salpeter equation (BSE) at and beyond the rainbow-ladder truncation level of this system of equations.
Cobos-Martinez, Jesus Javier +1 more
core
Nonperturbative scales in AdS/CFT [PDF]
, 2009 49 pages, 1 figureInternational audienceThe cusp anomalous dimension is a ubiquitous quantity in four-dimensional gauge theories, ranging from QCD to maximally supersymmetric N=4 Yang-Mills theory, and it is one of the best investigated observables in ...
Basso, B., Korchemsky, G. P.
core +1 more source