Results 21 to 30 of about 1,307,918 (342)
Coupling of four-wave mixing and Raman scattering by ground-state atomic coherence [PDF]
, 2015 We demonstrate coupling of light resonant to transition between two excited states of rubidium and long-lived ground-state atomic coherence. In our proof-of-principle experiment a non-linear process of four-wave mixing is used to achieve light emission ...
Michał Parniak +2 more
semanticscholar +1 more source
Entanglement of atoms induced by thermal noise in the presence of initial atomic coherence
Физика волновых процессов и радиотехнические системы, 2020 In this article, author investigated the dynamics of entanglement of two dipole-coupled natural or artificial two-level atoms (qubits) interacting nonresonantly with the intensive one-mode cavity thermal field.
Evgeny K. Bashkirov
doaj +1 more source
Atomic Detection and Matter-Wave Coherence [PDF]
Physical Review Letters, 1998 We analyze several models of atomic detectors in the context of the measurement of coherence properties of matter waves. In particular, we show that an ionization scheme measures normally-ordered correlation functions of the Schr dinger field, in analogy with the optical situation.
Goldstein, E. V., Meystre, Pierre
openaire +2 more sources
Coherence and Correlations in Atom Lasers [PDF]
Conference on Coherence and Quantum Optics, 2007 We review and characterize the quantum coherence measures that are most useful for quantum gases, including Bose-Einstein condensates (BEC) and ultra-cold fermions, and outline how to calculate these in the typically dynamical environment of an interacting multi-mode quantum gas.
Drummond, P. D. +4 more
openaire +2 more sources
Controllable Multiwave Mixing Talbot Effect
IEEE Photonics Journal, 2012 We theoretically study the Talbot effects resulted from the four-wave mixing and six-wave mixing signals, which are periodically modulated due to the coherence control effect.
Yiqi Zhang +7 more
doaj +1 more source
Local Density Correlations in Liquids
Frontiers in Physics, 2020 The structure and dynamics of liquids and glasses are usually discussed in terms of the short-range atomic structure and the nature of atomic bonds. However, many properties of liquids are rather similar and only weakly dependent on chemistry.
Takeshi Egami +2 more
doaj +1 more source
Science Education International, 2021 The present study investigated the association of students’ fundamental ideas and misconceptions about ontological features of atom identity and behavior with the formation of their portrayed representations of the atomic structure. Participants (n = 421)
Nikolaos Zarkadis +2 more
doaj +1 more source
Atom–molecule coherence in Bose gases [PDF]
Physics Reports, 2004 In an atomic gas near a Feshbach resonance, the energy of two colliding atoms is close to the energy of a bound state, i.e., a molecular state, in a closed channel that is coupled to the incoming open channel. Due to the different spin arrangements of the atoms in the open channel and the atoms in the molecular state, the energy difference between the ...
Duine, R.A., Stoof, H.T.C.
openaire +4 more sources
Influence of Stark Shift on Entanglement of Two Qubits in the Two-Photon Tavis-Cummings Model
EPJ Web of Conferences, 2015 Considering two-atom degenerate two-photon Tavis-Cummings model, we investigate the entanglement between two atoms prepared initially in the coherent disentangled states and cavity field prepared in few-photon Fock state, and study the effect of the ...
Mastyugin M.S., Bashkirov E.K.
doaj +1 more source
Applied Sciences, 2018 We reviewed the recent progress in coherent manipulation on light fields based on the electromagnetically-induced transparency (EIT) effect in Pr3+-doped Y2SiO5 crystal.
Jianji Liu +3 more
doaj +1 more source