The University of Electro-Communications

Optical Science Research at UEC

Cold Atoms/Ions/Molecules

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Cold Atoms/Ions/Molecules

Kishimoto Group

Organization Department of Engineering Science
Website http://klab.pc.uec.ac.jp/index-e.html

Mukaiyama Group

Organization Institute for Laser Science
Website http://www.ils.uec.ac.jp/~muka/home_English.html
Keyword Quantum degenerate gas, superfluidity, ion trap, cold chemistry, cold collisions

We study many-body qunatum phenomena using ultracold atoms and ions in a trap. We are currently conducting two experimental projects: (1) investigation of the thermodynamic properties of atoms with p-wave interactions, (2) cold chemical reactions in an ultracold atom-ion mixture.

Morinaga Group

Organization Institute for Laser Science
Website http://m.ils.uec.ac.jp/index-e.php

Nakagawa Group

Organization Institute for Laser Science
Website http://www.ils.uec.ac.jp/~naka_lab/index_e.html

Saito Group

Organization Department of Engineering Science
Website http://hs.pc.uec.ac.jp/index-e.html
Keyword Bose-Einstein condensate, quantized vortices, quantum hydrodynamics

We study Bose-Einstein condensates and superfluids theoretically. Our research interest covers qunatum hydrodynamics, spinor and dipolar condensates, collapse and explosion of condensates, and exciton-polariton superfluids.

S. Watanabe Group

Organization Department of Engineering Science
Website http://power1.pc.uec.ac.jp/~shin/index.html
Keyword cold atoms and molecules, quantum dynamics, quantum control, cold atom innovations
Trajectory of a group of ultracold atoms produced by the optical lattice's modulation, exhibited as a function of time and position. Bifurcations due to band gaps.

Novel quantum nature of matter manifests itself at extremely low temperatures. By means of theoretical techniques, we investigate exotic behavior of ultracold fermionic as well as bosonic atoms placed in an optical lattice. We examine the coherent wave packets produced by the lattice’s amplitude modulation, whose controlled motion may be exploited for high precision measurements.

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