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- R. Tajima, Shin Hayakawa, T. Miyaharu, Shuntaro Watanabe, Takao Aoki, Atsuo Morinaga
- Technical Digest. CLEO/Pacific Rim 2001. 4thâ€¦
- 2001

Sodium atoms with a peak density of 3/spl times/10/sup 11/ atom/cm/sup 3/ were confined in a dark magneto optical trap (MOT) and a cloverleaf magnet-coil was designed for magnetic trap.

- Masaki O. Abe, Yasuko Kato, Toru Aoki, R. Tajima, Atsuo Morinaga
- Technical Digest. CLEO/Pacific Rim '99. Pacificâ€¦
- 1999

We have developed a new scheme to produce a dense trap of sodium atoms in the magneto-optical trap using the transition of F=1 to F'=0 states. In a conventional Zeeman slower a bias magnetic field isâ€¦ (More)

In a Ramsey atom interferometer excited by two electromagnetic fields, if atoms are under a time-varying scalar potential during the interrogation time, the phase of the Ramsey fringes shifts owingâ€¦ (More)

- Takao Aoki, Tomohiro Kato, Y. Tanami, Atsuo Morinaga
- InternationalQuantum Electronics Conference, 2004â€¦
- 2004

We developed the delta-kick cooling to three dimensions using the Ioffe-Pritchard potential. The alternating oscillation of atomic momentum and size was observed. This phenomenon implies that theâ€¦ (More)

- Makoto Yasuhara, Takatoshi Aoki, Hirotaka Narui, Atsuo Morinaga
- IEEE Transactions on Instrumentation andâ€¦
- 2005

The Berry phase of atom for partial cycles of rotating magnetic field in parameter space was successfully measured free from the dynamical phase shift by using a time-domain sodium atomâ€¦ (More)

- Atsuo Morinaga, Keisuke Shinohara, Takao Aoki
- Conference Digest Conference on Precisionâ€¦
- 2002

The scalar Aharonov-Bohm effect of a time dependent homogeneous magnetic field on neutral cold atoms was demonstrated using a time domain atom interferometer. The interference fringes over the phaseâ€¦ (More)

- Kenichi Honda, Yukiyasu Kobayashi, Atsuo Morinaga
- International Quantum Electronics Conferenceâ€¦
- 2005

We have developed and analyzed a novel four-level atomic interferometer with two trichromatic laser fields. It was demonstrated that this was a multiple interferometer which composed of threeâ€¦ (More)

- Atsuo Morinaga, Makoto Yasuhara, Takao Aoki, Hirotaka Narui
- 2004 Conference on Precision Electromagneticâ€¦
- 2004

We propose a novel method of the measurement of Berry's phase free from the dynamical phase shift for partial cycles of rotating magnetic field in parameter space by using a time-domain atomâ€¦ (More)

- H. Hiromitsu Imai, Atsuo Morinaga
- 2008 Conference on Lasers and Electro-Optics andâ€¦
- 2008

A complete geometric manipulation of universal single qubit operation on a two-level cold ensemble of sodium atoms was demonstrated using a combination of geometric rotations of the Bloch vectorâ€¦ (More)

- Hirohiko Imai, Yosuke Otsubo, Atsuo Morinaga
- 2007 European Conference on Lasers and Electroâ€¦
- 2007

In this study, Berry's phases for various rotations of the Bloch vector were measured using a time-domain atom interferometer. Sodium atoms were cooled down less than 200 propK by the polarizationâ€¦ (More)