جهت دسترسی به کاربرگه ی زیر، از این لینک استفاده کنید. http://dl.pgu.ac.ir/handle/Hannan/82319
Title: Spatiotemporal coherence of non-equilibrium multimode photon condensates
Keywords: Fluids & Plasmas;02 Physical Sciences
Issue Date: 27-Oct-2016
7-Oct-2016
30-Aug-2016
Publisher: IOP Publishing
Description: We report on the observation of quantum coherence of Bose–Einstein condensed photons in an optically pumped, dye-filled microcavity. We find that coherence is long-range in space and time above condensation threshold, but short-range below threshold, compatible with thermal-equilibrium theory. Far above threshold, the condensate is no longer at thermal equilibrium and is fragmented over non-degenerate, spatially overlapping modes. A microscopic theory including cavity loss, molecular structure and relaxation shows that this multimode condensation is similar to multimode lasing induced by imperfect gain clamping.
URI: https://dx.doi.org/10.1088/1367-2630/18/10/103012
Other Identifiers: 1367-2630
http://hdl.handle.net/10044/1/42076
EP/J017027/1
259264
Type Of Material: OTHER
Appears in Collections:Physics

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