Results 81 to 90 of about 36,425 (173)

Recent Advances in Photonic Bound States in the Continuum: From Fundamentals to Engineering and Implementation

Laser &Photonics Reviews, Volume 20, Issue 13, 8 July 2026.
This review summarizes recent progress in meta‐photonics with a focus on bound states in the continuum (BICs) as a powerful platform for light confinement and control. It covers fundamental concepts, design strategies across optical regimes, symmetry breaking for practical quasi‐BICs, tunable and AI‐assisted BIC devices, and emerging applications in ...
Hafiz Saad Khaliq, Hak‐Rin Kim
wiley   +1 more source

Soluble model of Bose-atoms with two level internal structure: non-conventional Bose-Einstein condensation

Condensed Matter Physics, 2010
For a Bose atom system whose energy operator is diagonal in the so-called number operators and its ground state has an internal two-level structure with negative energies, exact expressions for the limit free canonical energy and pressure are obtained ...
M. Corgini, D.P. Sankovich
doaj   +1 more source

Thermo-optical interactions in a dye-microcavity photon Bose–Einstein condensate

New Journal of Physics, 2017
Superfluidity and Bose–Einstein condensation are usually considered as two closely related phenomena. Indeed, in most macroscopic quantum systems, like liquid helium, ultracold atomic Bose gases, and exciton-polaritons, condensation and superfluidity ...
Hadiseh Alaeian, Mira Schedensack, Clara Bartels, Daniel Peterseim, Martin Weitz   +4 more
doaj   +1 more source

Fröhlich versus Bose-Einstein condensation in pumped bosonic systems

Physical Review Research
Magnon condensation, which emerges in pumped bosonic systems at room temperature, continues to garner great interest for its long-lived coherence. While traditionally formulated in terms of Bose-Einstein condensation, which typically occurs at ultralow ...
Wenhao Xu, Andrey A. Bagrov, Farhan T. Chowdhury, Luke D. Smith, Daniel R. Kattnig, Hilbert J. Kappen, Mikhail I. Katsnelson   +6 more
doaj   +1 more source

Coexistence of photonic and atomic Bose-Einstein condensates in ideal atomic gases

Condensed Matter Physics, 2015
We have studied conditions of photon Bose-Einstein condensate formation that is in thermodynamic equilibrium with ideal gas of two-level Bose atoms below the degeneracy temperature.
N. Boichenko , Yu. Slyusarenko
doaj   +1 more source

Bethe states for the two-site Bose–Hubbard model: A binomial approach

Physics Letters B, 2015
We calculate explicitly the Bethe vectors states by the algebraic Bethe ansatz method with the gl(2)-invariant R-matrix for the two-site Bose–Hubbard model.
Gilberto Santos, Changrim Ahn, Angela Foerster, Itzhak Roditi   +3 more
doaj   +1 more source

Possibility of Exciton Bose-Einstein Condensation in CdSe Nanoplatelets. [PDF]

Nanomaterials (Basel), 2023
Baghdasaryan DA, Harutyunyan VA, Kazaryan EM, Sarkisyan HA, Petrosyan LS, Shahbazyan TV.   +5 more
europepmc   +1 more source

A century of the Bose–Einstein condensation concept and half a century of the JINR experiments for observation of condensate in superfluid 4He (He II)

Natural Science Review
This short review is devoted to the celebration of two major events in quantum physics. The first one is the birth of the concept of Bose–Einstein condensation (1925) and the second is the experimental proof that it does exist and appears in liquid 4He ...
V. A. Zagrebnov
doaj   +1 more source

Observation of dynamic atom-atom correlation in liquid helium in real space

Nature Communications, 2017
Liquid helium can be treated as an ideal gas or a condensed liquid and displays intriguing features like Bose–Einstein condensation. Here the authors show that roton excitation reveals information on real space dynamic atom-atom correlations in ...
W. Dmowski, S. O. Diallo, K. Lokshin, G. Ehlers, G. Ferré, J. Boronat, T. Egami   +6 more
doaj   +1 more source

Carnot Cycles in a Harmonically Confined Ultracold Gas across Bose-Einstein Condensation. [PDF]

Entropy (Basel), 2023
Reyes-Ayala I, Miotti M, Hemmerling M, Dubessy R, Perrin H, Romero-Rochin V, Bagnato VS.   +6 more
europepmc   +1 more source