Results 61 to 70 of about 809,191 (273)
Correlated photon pair generation in low-loss double-stripe silicon nitride waveguides
, 2016 We demonstrate correlated photon pair generation via spontaneous four-wave mixing in a low-loss double-stripe silicon nitride waveguide with a coincidence-to-accidental ratio over 10.
Eggleton, Benjamin J. +3 more
core +1 more source
Strong Sphalerons and Electroweak Baryogenesis [PDF]
, 1993 We analyze the spontaneous baryogenesis and charge transport mechanisms suggested by Cohen, Kaplan and Nelson for baryon asymmetry generation in extended versions of electroweak theory.
Ambj∅rn +32 more
core +2 more sources
Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment
Molecular Oncology, EarlyView.This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley +1 more source
Acta Dermato-VenereologicaChronic spontaneous urticaria is a common skin disorder with variable treatment responses. Second-generation H1-antihistamines are the first-line treatment for chronic spontaneous urticaria, yet many patients fail to respond to licensed doses. Predictors
Yingyi Li +3 more
doaj +1 more source
Long-distance distribution of time-bin entanglement generated in a cooled fiber
, 2005 This paper reports the first demonstration of the generation and distribution of entangled photon pairs in the 1.5-um band using spontaneous four-wave mixing in a cooled fiber.
Takesue, Hiroki
core +1 more source
Spontaneous Magnetization in Lorentz Invariant Theories [PDF]
, 1995 In a class of three-dimensional Abelian gauge theories with both light and heavy fermions, heavy chiral fermions can trigger dynamical generation of a magnetic field, leading to the spontaneous breaking of the Lorentz invaiance.
Denne Wesolowski +2 more
core +3 more sources
Spontaneously generated gauge invariance [PDF]
Nuclear Physics B, 2001 We argue that the non-observability of the spontaneous breakdown of Lorentz symmetry (SBLS) caused by the vacuum expectation values of vector fields could provide the origin of all internal symmetries observed. Remarkably, the application of this principle to the most general relativistically invariant Lagrangian, with arbitrary couplings for all the ...
Chkareuli, J.L. +2 more
openaire +4 more sources
Molecular Oncology, EarlyView.Glioma cells mainly express the endothelin receptor EDNRB, while EDNRA is restricted to a perivascular tumor subpopulation. Endothelin signaling reduces glioma cell proliferation while promoting migration and a proneural‐to‐mesenchymal transition associated with poor prognosis. This pathway activates Ca2+, K+, ERK, and STAT3 signalings and is regulated
Donovan Pineau +36 more
wiley +1 more source
Spontaneous Generation of Magnetic Field in Three Dimensional QED at Finite Temperature [PDF]
, 1997 We investigate the effects of thermal fluctuations on the spontaneous magnetic condensate in three dimensional QED coupled with P-odd Dirac fermions. Our results show that the phenomenon of the spontaneous generation of the constant background magnetic ...
Cea, Paolo, Tedesco, Luigi
core +4 more sources
Generating spontaneous elliptical utterance [PDF]
Proceeding of Fourth International Conference on Spoken Language Processing. ICSLP '96, 1996 To generate spontaneous utterances, it is important to omit some items from them appropriately. Previously, generation of elliptical utterances was discussed only from a view of whether an item in question is known or unknown in the context of dialogue. We point out that some items that are already known should not be omitted in some situation.
Yuji Sagawa +2 more
openaire +1 more source