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Gyroscopes based on nitrogen-vacancy centers in diamond
Gyroscopes nitrogen-vacancy centers diamond Atomic Physics
2012/5/17
We propose solid-state gyroscopes based on ensembles of negatively charged nitrogen-vacancy centers in diamond. In one scheme, rotation of the nitrogen-vacancy symmetry axis will induce Berry's phase ...
Reconfigurable self-sufficient traps for ultracold atoms based on a superconducting square
Reconfigurable self-sufficient traps ultracold atoms superconducting square Atomic Physics
2012/4/24
We report on the trapping of ultracold atoms in the magnetic field formed entirely by persistent supercurrents induced in a thin film type-II superconducting square. The supercurrents are carried by v...
Spectrally narrow, long-term stable optical frequency reference based on a Eu$^{3+}$:Y$_{2}$SiO$_{5}$ crystal at cryogenic temperature
Spectrally narrow long-term stable optical frequency reference cryogenic temperature
2011/8/5
Abstract: Using an ultrastable continuous-wave laser at 580 nm we performed spectral hole burning of Eu$^{3+}$:Y$_{2}$SiO$_{5}$ at very high spectral resolution. Essential parameters determining the u...
Tetraquark-based analysis and predictions of the cross sections and distributions for the processes e^+ e^- --> Upsilon(1S) (pi^+ pi^-, K^+ K^-, eta pi^0) near Upsilon(5S)
processes e^+ e^- --> Upsilon(1S) (pi^+ pi^-, K^+ K^-, eta pi^0) Upsilon(5S)
2011/1/5
We calculate the cross sections and final state distributions for the processes e+e−
!(1S)(+−,K+K−, 0) near the (5S) resonance based on the tetraquark hypothesis. This
framew...
Ultra-bright biphoton emission from an atomic vapor based on Doppler-free four-wave-mixing and collective emission
atomic vapor Doppler-free four-wave-mixing biphoton emission
2010/4/12
We propose a novel `butterfly' level scheme to generate highly correlated photon pairs from atomic vapors. With multi-photon Doppler-free pumping, background Rayleigh scattering is dipole-forbidden an...