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13 papers · 1 filter
Atomic matter wave scanner
Hilmar Oberst, Shigenori Kasashima, Victor I. Balykin +1
We report on the experimental realization of an atom optical device, that allows scanning of an atomic beam. We used a time-modulated evanescent wave field above a glass surface to…
Hybridization-induced superconductivity from the electron repulsion on a tetramer lattice having a disconnected Fermi surface
Takashi Kimura, Yuji Zenitani, Kazuhiko Kuroki +2
Plaquette lattices with each unit cell containing multiple atoms are good candidates for disconnected Fermi surfaces, which are shown by Kuroki and Arita to be favorable for spin-f…
Pulse compression by parametric beating with a prepared Raman coherence
Fam Le Kien, K. Hakuta, A. V. Sokolov
We present a general analysis for the interaction of a probe laser radiation with a coherently prepared molecular Raman medium. We describe a general formalism which includes dispe…
Magnetotunneling spectroscopy as a probe for pairing symmetry determination in quasi-2D anisotropic superconductors
Y. Tanuma, Y. Tanaka, K. Kuroki +1
As a probe to determine the pairing symmetry of quasi-two-dimensional anisotropic superconductors, we propose tunneling spectroscopy in the presence of magnetic field, where the ma…
Slow Light Propagation in a Thin Optical Fiber via Electromagnetically Induced Transparency
Anil K. Patnaik, J. Q. Liang, K. Hakuta
We propose a novel configuration that utilizes electromagnetically induced transparency (EIT) to tailor a fiber mode propagating inside a thin optical fiber and coherently control…
High temperature superconductivity in dimer array systems
Kazuhiko Kuroki, Takashi Kimura, Ryotaro Arita
Superconductivity in the Hubbard model is studied on a series of lattices in which dimers are coupled in various types of arrays. Using fluctuation exchange method and solving the…