Results 51 to 60 of about 4,714,518 (295)

General method for final focus system design for circular colliders

Physical Review Special Topics. Accelerators and Beams, 2008
Colliders use final focus systems to reduce the transverse beam sizes at the interaction point in order to increase collision event rates. The maximum focal strength (gradient) of the quadrupoles, and the maximum beam size in them, together limit the ...
Riccardo de Maria
doaj   +1 more source

The I-frame vs. S-frame: how neoliberalism has led behavioral sciences astray

Frontiers in Psychology, 2023
In their recently published paper, Chater and Loewenstein critically elaborate on the differences between interventions that focus on individual behavior (‘i-frame’), as opposed to the systems in which health behavior occurs (‘s-frame’).
Marike Andreas, Samira Barbara Jabakhanji   +1 more
doaj   +1 more source

Connections to fixed points and Sil’nikov saddle-focus homoclinic orbits in singularly perturbed systems

Ukrainian Mathematical Journal, 2008
We consider a singularly perturbed system depending on two parameters with two (possibly the same) normally hyperbolic center manifolds. We assume that the unperturbed system has an orbit that connects a hyperbolic fixed point on one center manifold to a hyperbolic fixed point on the other.
Battelli, F., Palmer, K. J.
openaire   +2 more sources

On quantum effects near the liquid-vapor transition in helium

, 2001
The liquid-vapor transition in He-3 and He-4 is investigated by means of path-integral molecular dynamics and the quantum virial expansion. Both methods are applied to the critical isobar and the critical isochore.
Erik Luijten, Martin H. Müser, McCarty R. D.   +2 more
core   +1 more source

Low energy excitations of the kagome antiferromagnet and the spin gap issue [PDF]

, 2009
In this paper we report the latest results of exact diagonalizations of SU(2) invariant models on various lattices (square, triangular, hexagonal, checkerboard and kagome lattices). We focus on the low lying levels in each S sector.
C. Lhuillier, Evenbly G. Vidal G., Mambrini M., Misguich G., Misguich G., P. Sindzingre   +5 more
core   +1 more source

Evaluating the Utility of Paired Tumor and Germline Targeted DNA Sequencing for Pediatric Oncology Patients: A Single Institution Report

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Objective To evaluate the diagnostic yield and utility of universal paired tumor–normal multigene panel sequencing in newly diagnosed pediatric solid and central nervous system (CNS) tumor patients and to compare the detection of germline pathogenic/likely pathogenic variants (PV/LPVs) against established clinical referral criteria for cancer ...
Natalie Waligorski, Rebecca Ronsley, Shannon M. Stasi, Jeffrey Stevens, Erin R. Rudzinski, Christina M. Lockwood, Sarah E. S. Leary, Bonnie L. Cole, Michelle A. Ting, Vera Paulson   +9 more
wiley   +1 more source

The problem of the center for cubic differential systems with two affine non-parallel invariant straight lines of total multiplicity three

Acta et Commentationes: Ştiinţe Exacte şi ale Naturii
In this paper, we show that a center-focus critical point of cubic differential systems with two affine non-parallel invariant straight lines of total multiplicity three is a center type if and only if the first five Lyapunov quantities vanish.  
Alexandru Șubă
doaj   +1 more source

Incommensurability in the magnetic excitations of the bilinear-biquadratic spin-1 chain

, 1998
We study the magnetic excitation spectrum of the S=1 quantum Heisenberg spin chain with Hamiltonian : H = sum_i cos(theta) S_i S_i+1 + sin(theta) (S_i S_i+1)^2.
Golinelli, O., Jolicoeur, Th., Sorensen, E.   +2 more
core   +1 more source

Outcomes of Live Virus Vaccination in Patients With Vascular Anomalies Being Treated With Sirolimus

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Live vaccination in patients with vascular anomalies (VA) receiving sirolimus remains controversial due to immunosuppressive effects and theoretical risks. Procedure This single‐center retrospective study included patients with VA less than 4 years old at the start of sirolimus therapy who were incompletely vaccinated.
Svatava Merkle, Kiersten Ricci, Kelly Blache, Rebecca A. Marsh, Adrienne M. Hammill, Elissa Engel   +5 more
wiley   +1 more source

Transient fluctuation theorem in closed quantum systems

, 2011
Our point of departure are the unitary dynamics of closed quantum systems as generated from the Schr\"odinger equation. We focus on a class of quantum models that typically exhibit roughly exponential relaxation of some observable within this framework ...
C. Bartsch, Campisi M. Hänggi P. Talkner P., Crooks G. E., Esposito M., Gemmer J., J. Gemmer, Parrondo J. M. R.   +6 more
core   +1 more source