Results 11 to 20 of about 22,217 (302)

Mean-Field Description of Cooperative Scattering by Atomic Clouds

open access: yesAtoms, 2023
We present analytic expressions for the scattering of light by an extended atomic cloud. We obtain the solution for the mean-field excitation of different atomic spherical distributions driven by a uniform laser, including the initial build up, the ...
Nicola Piovella
doaj   +1 more source

Classical and Quantum Collective Recoil Lasing: A Tutorial

open access: yesAtoms, 2021
Collective atomic recoil lasing (CARL) is a process during which an ensemble of cold atoms, driven by a far-detuned laser beam, spontaneously organize themselves in periodic structures on the scale of the optical wavelength.
Nicola Piovella   +2 more
doaj   +1 more source

Sparse interferometry for measuring multiphoton collective phase

open access: yesPhysical Review Research, 2022
A multiphoton collective phase is a multiphoton-scattering feature that cannot be reduced to a sequence of two-photon scattering events, and the three-photon “triad phase” is the smallest nontrivial example.
Jizhou Wu, Barry C. Sanders
doaj   +1 more source

Collective phenomena in pp and ep scattering [PDF]

open access: yesAIP Conference Proceedings, 2017
4 pages, 1 figure; presented by L. Jenkovszky at "Diffraction 2016", International Workshop on Diffraction in High-Energy Physics, Acireale (Catania, Sicily), Sept.
Celiberto, Francesco Giovanni   +2 more
openaire   +2 more sources

Multimode Collective Atomic Recoil Lasing in Free Space

open access: yesAtoms, 2020
Cold atomic clouds in collective atomic recoil lasing are usually confined by an optical cavity, which forces the light-scattering to befall in the mode fixed by the resonator.
Angel T. Gisbert, Nicola Piovella
doaj   +1 more source

Collective modes and electronic raman scattering in the cuprates [PDF]

open access: yesPhysica C: Superconductivity, 2000
While the low frequency electronic Raman response in the superconducting state of the cuprates can be largely understood in terms of a d-wave energy gap, a long standing problem has been an explanation for the spectra observed in A_{1g} polarization orientations.
Venturini, F.   +3 more
openaire   +3 more sources

Collecting as Ordering or Scattering; Scattering as Destruction

open access: yesReligions, 2022
Collecting and scattering may seem like opposites, but they are in fact complementary, interdependent actions. To collect religious art and other objects is also to scatter them. Though collecting can sometimes be virtuous, it is always disruptive to some previous order. Reversing that kind of disruption, which occurred on a grand scale during European
openaire   +2 more sources

Azimuthal correlations in photoproduction and deep inelastic ep scattering at HERA

open access: yesJournal of High Energy Physics, 2021
Collective behaviour of final-state hadrons, and multiparton interactions are studied in high-multiplicity ep scattering at a centre-of-mass energy s $$ \sqrt{s} $$ = 318 GeV with the ZEUS detector at HERA.
The ZEUS collaboration   +83 more
doaj   +1 more source

Phonon Thermal Hall Conductivity from Scattering with Collective Fluctuations

open access: yesPhysical Review X, 2022
Because electrons and ions form a coupled system, it is a priori clear that the dynamics of the lattice should reflect symmetry breaking within the electronic degrees of freedom. Recently, this has been clearly evidenced for the case of time-reversal and
Léo Mangeolle   +2 more
doaj   +1 more source

Anisotropy-driven interfacial magnetism in Ru-deficient SrRuO3 thin films [PDF]

open access: yesAPL Materials
While stoichiometric SrRuO3 (SRO) is a metallic itinerant ferromagnet with relatively homogeneous magnetization, Ru deficiency provides a powerful route to alter its electronic transport and depth-dependent magnetic properties.
V. A. de Oliveira Lima   +11 more
doaj   +1 more source

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