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Morishita Lab
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A lab in atomic, molecular, and optical physics that explores the motion of atoms and molecules in laser light through theory and numerical computation.
AboutAbout the lab
Unraveling the dynamics of light, atoms, and molecules through theory.
The Morishita Lab studies problems in atomic, molecular, and optical physics using theory and numerical computation.
The lab investigates the ultrafast, attosecond-scale motion of atoms and molecules in intense laser fields.
Another theme is the study of many-body effects that appear in the Bose-Einstein condensation of gaseous atoms.
Using high-precision numerical computation and mathematical-science methods, the lab aims for a fundamental understanding of complex physical phenomena and for control of quantum systems.
Key terms
- Attosecond
- A unit of extremely short time, 10^-18 seconds. It expresses the duration of attosecond laser pulses.
- Bose-Einstein condensation
- A quantum state realized by cooling gaseous atoms with laser cooling or evaporative cooling. Abbreviated as BEC.
- Rescattering electron
- An electron ejected by ionization that is driven back to the atom by the oscillating laser field.
ResearchResearch themes
The lab tackles problems in atomic, molecular, and optical science, a field that has advanced remarkably in recent years, using high-precision numerical computation and mathematical-science methods. It aims for a fundamental understanding of complex physical phenomena and for progress that includes applications such as the control of quantum systems. Currently, its research focuses on the analysis and control of strongly correlated quantum many-body systems of atoms, molecules, and light.
*Illustrative imageMotion of atoms and molecules in intense lasers
The lab analyzes the structure of ionization spectra produced by intense lasers, their dependence on laser intensity, and structures arising from the spatial dependence of the intensity. It also studies the behavior and applications of rescattering electrons, which are ionized electrons that return to the atom.
*Illustrative imageMany-body effects in Bose-Einstein condensation
Focusing on Bose-Einstein condensation of gaseous atoms, the lab improves the accuracy and efficiency of programs that solve the Gross-Pitaevskii (GP) equation and tries applying them to various systems. It also studies collective-motion modes using the hyperspherical coordinate method.
MembersFaculty
The members of the Morishita Lab consist of faculty, doctoral, master's, and undergraduate students, and research trainees.As of 2023
- Toru Morishita
- 長谷川
景郁
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “LASER BEAM APPARATUS IN CHEMICAL LABORATORY CHEM LAB - NARA - 17421758” Martin Brown / Public domain (cropped)
- Motion of atoms and molecules in intense lasers: “Bond softening induced by intense laser field” FizykLJF / CC BY-SA 3.0 (cropped)
- Many-body effects in Bose-Einstein condensation: “Quantum Physics; Bose Einstein condensate ( )” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (Endo Lab): “Atomic-nucleus-3435” Yasminperry2020 / CC BY-SA 4.0 (cropped)
- Related lab (Asahara Lab): “Laser frequency comb installed on HARPS” ESO / CC BY 4.0 (cropped)
- Related lab (Haruka Tanji Lab): “Optical cavities” No machine-readable author provided. Fffred~commonswiki assumed (based on copyright claims). / Public domain (cropped)
- Related lab (Morinaga Lab): “Single Photon Detectors ( )” National Institute of Standards and Technology / Public domain (cropped)
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