Results 81 to 90 of about 1,329,115 (285)

Quantum dynamics of a two-level emitter with modulated transition frequency

open access: yes, 2014
The resonant quantum dynamics of an excited two-level emitter is investigated via classical modulation of its transition frequency while simultaneously the radiator interacts with a broadband electromagnetic field reservoir.
Keitel, Christoph H., Macovei, Mihai
core   +1 more source

Unleashing the Power of Machine Learning in Nanomedicine Formulation Development

open access: yesAdvanced Functional Materials, EarlyView.
A random forest machine learning model is able to make predictions on nanoparticle attributes of different nanomedicines (i.e. lipid nanoparticles, liposomes, or PLGA nanoparticles) based on microfluidic formulation parameters. Machine learning models are based on a database of nanoparticle formulations, and models are able to generate unique solutions
Thomas L. Moore   +7 more
wiley   +1 more source

Bose-Einstein Condensation and Spontaneous Symmetry Breaking

open access: yes, 2007
After recalling briefly the connection between spontaneous symmetry breaking and off-diagonal long range order for models of magnets a general proof of spontaneous breaking of gauge symmetry as a consequence of Bose-Einstein Condensation is presented ...
Berezin   +20 more
core   +3 more sources

A Smart Bio‐Battery Facilitates Diabetic Bone Defect Repair Via Inducing Macrophage Reprogramming and Synergistically Modulating Bone Remodeling Coupling

open access: yesAdvanced Functional Materials, EarlyView.
This research presents a novel implantable bio‐battery, GF‐OsG, tailored for diabetic bone repair. GF‐OsG generates microcurrents in high‐glucose conditions to enhance vascularization, shift macrophages to the M2 phenotype, and regulate immune responses.
Nanning Lv   +10 more
wiley   +1 more source

Spontaneous tumor regression

open access: yesJournal of Oncological Sciences, 2016
Spontaneous tumor regression is defined as spontaneous remission or disappearance of a tumor in the absence of any treatment. Activation of immune system has been found important in its pathogenesis.
Tarik Salman
doaj   +1 more source

Knowledge sharing as spontaneous order : on the emergence of strong and weak ties [PDF]

open access: yes, 2001
Not ...
Kautz, Karlheinz   +1 more
core  

Spontaneous creation of Kibble-Zurek solitons in a Bose-Einstein condensate

open access: yes, 2013
When a system crosses a second-order phase transition on a finite timescale, spontaneous symmetry breaking can cause the development of domains with independent order parameters, which then grow and approach each other creating boundary defects.
A Del Campo   +44 more
core   +1 more source

Magnetic and Structural Response Tuned by Coexisting Mn Concentration‐Dependent Phases in MnBi2Te4 Thin Film Grown on GaAs(001) by Molecular Beam Epitaxy

open access: yesAdvanced Functional Materials, EarlyView.
The study explores structural and magnetic properties of one of the most recent topological quantum materials (MnBi2Te4). The Mn‐poor structure leads to stacking faults (quintuple layer ‐ QL of Bi2Te3 formation instead of a septuple layer ‐ SL of MnBi2Te4), resulting in a coexistence between weak antiferromagnetism and ferromagnetism.
Wesley F. Inoch   +10 more
wiley   +1 more source

Spontaneous Symmetry Breaking in General Relativity. Vector Order Parameter

open access: yes, 2009
Gravitational properties of a hedge-hog type topological defect in two extra dimensions are considered in General Relativity employing a vector as the order parameter.
B. E. Meierovich   +3 more
core   +1 more source

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