Results 41 to 50 of about 443,393 (289)

Tunneling behavior of Ising and Potts models in the low-temperature regime [PDF]

open access: yes, 2018
We consider the ferromagnetic $q$-state Potts model with zero external field in a finite volume and assume that the stochastic evolution of this system is described by a Glauber-type dynamics parametrized by the inverse temperature $\beta$.
Nardi, Francesca R., Zocca, Alessandro
core   +3 more sources

Rotational Doppler Effect of Vector Beams

open access: yesPhotonics
The optical rotational Doppler effect occurs when vortex beams are scattered by rotating objects and demonstrate the Doppler frequency shifts in scattered beams, which are associated with the optical angular momentum of vortex beams and the relative ...
Hehe Li, Dong Xu, Xinzhong Li
doaj   +1 more source

The photonic wheel - demonstration of a state of light with purely transverse angular momentum [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2013
In classical mechanics, a system may possess angular momentum which can be either transverse (e.g. in a spinning wheel) or longitudinal (e.g. for a spiraling seed falling from a tree) with respect to the direction of motion. However, for light, a typical
Banzer P.   +6 more
doaj   +1 more source

Circular Polarization near the Tight Focus of Linearly Polarized Light

open access: yesPhotonics, 2022
We have considered the tight focusing of light with linear polarization. Using the Richards–Wolf formalism, it is shown that before and after the focal plane, there are regions in which the polarization is circular (elliptical).
Sergey S. Stafeev   +4 more
doaj   +1 more source

Twin-Photon Confocal Microscopy

open access: yes, 2010
A recently introduced two-channel confocal microscope with correlated detection promises up to 50% improvement in transverse spatial resolution [Simon, Sergienko, Optics Express {\bf 18}, 9765 (2010)] via the use of photon correlations.
A. V. Sergienko   +12 more
core   +1 more source

Propagation equation for tight-focusing by a parabolic mirror

open access: yesOptics Express, 2015
Part of the chain in petawatt laser systems may involve extreme focusing conditions for which nonparaxial and vectorial effects have high impact on the propagation of radiation. We investigate the possibility of using propagation equations to simulate numerically the focal spot under these conditions. We derive a unidirectional propagation equation for
Couairon, Arnaud   +6 more
openaire   +3 more sources

Why and When Are Evidence‐Based Interventions Adopted in Paediatric Supportive Care? A Qualitative Exploration of the Determinants of Photobiomodulation Implementation

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Oral mucositis is a common and debilitating side effect of childhood cancer and stem cell transplant treatments. It affects the quality of life of children and young people (CYP) and places a strain on services. Photobiomodulation is recommended for oral mucositis prevention in international guidance but is poorly implemented in UK ...
Claudia Heggie   +4 more
wiley   +1 more source

Maximizing Foundation Effectiveness: Aligning Program Strategy, Organizational Capacity, Strategic Planning, and Performance Assessment to Achieve Success [PDF]

open access: yes, 2008
This paper outlines a framework for increasing the philanthropic performance of an organization by focusing on strategic planning and development of tight logic models for the organization's programs.
Paul Connolly
core  

Real‐World Pediatric Blinatumomab Administration: Access to Outpatient Care Delivery and Impact of a Hospital‐Dispensed Model

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Blinatumomab has been shown to be highly effective for patients with pediatric B‐ALL and has recently become standard of care therapy. Due to its past use in the clinical trial setting, there is limited information available about real‐world administration.
Katelyn Oranges   +12 more
wiley   +1 more source

On sampling nodes in a network [PDF]

open access: yes, 2016
Random walk is an important tool in many graph mining applications including estimating graph parameters, sampling portions of the graph, and extracting dense communities.
CHIERICHETTI, FLAVIO   +4 more
core   +1 more source

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