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11 papers · 1 filter
State-insensitive trapping and guiding of cesium atoms using a two-color evanescent field around a subwavelength-diameter fiber
Fam Le Kien, V. I. Balykin, K. Hakuta
We calculate the optical potentials, i.e. the light shifts, of the ground and excited states of atomic cesium in a two-color evanescent field around a subwavelength-diameter fiber.…
Field intensity distributions and polarization orientations in a vacuum-clad subwavelength-diameter optical fiber
Fam Le Kien, J. Q. Liang, K. Hakuta +1
We study the properties of the field in the fundamental mode HE of a vacuum-clad \textit{subwavelength-diameter} optical fiber using the exact solutions of Maxwell's equatio…
Observation results by the TAMA300 detector on gravitational wave bursts from stellar-core collapses
Masaki Ando, Koji Arai, Youichi Aso +19
We present data-analysis schemes and results of observations with the TAMA300 gravitational-wave detector, targeting burst signals from stellar-core collapse events. In analyses fo…
Atom waveguide using a two-color evanescent light field around a subwavelength-diameter optical fiber
Fam Le Kien, V. I. Balykin, K. Hakuta
We suggest using a two-color evanescent light field around a subwavelength-diameter fiber to trap and guide atoms. The optical fiber carries a red-detuned light and a blue-detuned…
Competition between singlet and triplet pairings in Na_xCoO_2 yH_2O
Kazuhiko Kuroki, Yukio Tanaka, Ryotaro Arita
We discuss the pairing symmetry of a cobaltate superconductor NaCoO HO by adopting an effective single band model that takes into account the hole pockets…
Electronic structures of B-2p and C-2p of boron-doped diamond film by soft X-ray absorption and emission spectroscopy
Jin Nakamura, Eiki Kabasawa, Nobuyoshi Yamada +5
X-ray absorption (XAS) and emission (XES) spectroscopy near B-K and C-K edges have been performed on metallic (~1at%B, B-diamond) and semiconducting (~0.1at%B and N, BN-diamond) do…