H Hachisu

Publications (2)14.74 Total impact

• Source

  Available from: Andrei Derevianko

  Article: Trapping of neutral mercury atoms and prospects for optical lattice clocks.

  H Hachisu, K Miyagishi, S G Porsev, A Derevianko, V D Ovsiannikov, V G Pal'chikov, M Takamoto, H Katori
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  ABSTRACT: We report vapor-cell magneto-optical trapping of Hg isotopes on the (1)S(0)-(3)P(1) intercombination transition. Six abundant isotopes, including four bosons and two fermions, were trapped. Hg is the heaviest nonradioactive atom trapped so far, which enables sensitive atomic searches for "new physics" beyond the standard model. We propose an accurate optical lattice clock based on Hg and evaluate its systematic accuracy to be better than 10;{-18}. Highly accurate and stable Hg-based clocks will provide a new avenue for the research of optical lattice clocks and the time variation of the fine-structure constant.
  Physical Review Letters 03/2008; 100(5):053001. · 7.37 Impact Factor
• Source

  Available from: arxiv.org

  Article: Electrodynamic trapping of spinless neutral atoms with an atom chip.

  T Kishimoto, H Hachisu, J Fujiki, K Nagato, M Yasuda, H Katori
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  ABSTRACT: Three-dimensional electrodynamic trapping of neutral atoms has been demonstrated. By applying time-varying inhomogeneous electric fields with micron-sized electrodes, nearly 10(2) strontium atoms in the 1S0 state have been trapped with a lifetime of 80 ms. In order to design the electrodes, we numerically analyzed the electric field and simulated atomic trajectories in the trap, which showed reasonable agreement with the experiment.
  Physical Review Letters 04/2006; 96(12):123001. · 7.37 Impact Factor