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- Takatoshi Yanagisawa, Yasuko Yamagishi, +4 authors Yasushi Takeda
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2010

Thermal convection experiments in a liquid gallium layer were carried out with various intensities of uniform horizontal magnetic fields. The gallium layer was in a rectangular vessel with a 4:1:1â€¦ (More)

- Takehiro Miyagoshi, Yozo Hamano
- Physical review letters
- 2013

We have performed numerical magnetohydrodynamic dynamo simulations in a spherical shell with rotational speed or length-of-day (LOD) variation, which is motivated by correlations between geomagneticâ€¦ (More)

- Takatoshi Yanagisawa, Yozo Hamano, Takehiro Miyagoshi, Yasuko Yamagishi, Yuji Tasaka, Yasushi Takeda
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2013

We performed laboratory experiments of Rayleigh-BÃ©nard convection with liquid gallium under various intensities of a uniform imposed horizontal magnetic field. An ultrasonic velocity profiling methodâ€¦ (More)

- Masaki Yoshida, Yozo Hamano
- Scientific reports
- 2015

Since around 200â€…Ma, the most notable event in the process of the breakup of Pangea has been the high speed (up to 20â€…cm yr(-1)) of the northward drift of the Indian subcontinent. Our numericalâ€¦ (More)

- Takatoshi Yanagisawa, Yasuko Yamagishi, Yozo Hamano, Yuji Tasaka, Yasushi Takeda
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2011

We report a finding of spontaneous flow reversals of roll-like patterns in liquid gallium Rayleigh-BÃ©nard convection. The vessel has a square geometry with an aspect ratio of 5, and a horizontalâ€¦ (More)

- Yozo Hamano
- 2014

With the establishment of the new geomagnetic field observations in the Ocean Hemisphere Network Project (OHP) in Japan, minutes values of geomagnetic components, H D and Z have been recorded. Theâ€¦ (More)

- Yozo Hamano, Ataru Sakuraba, +8 authors Masaru Kono
- 2006

A number of dynamo simulations were performed during 2005 based on a Spectral Transform Method (STM). In one series of geodynamo simulations, the Ekman (Ek) and the Rayleigh (Ra) number dependencesâ€¦ (More)

We investigate the effect of the heat source distribution on the behavior of the magnetohydrodynamic (MHD) dynamo action. We consider three models in which the ratio of the heat flow at the innerâ€¦ (More)

Most of the computer codes for the recent simulation studies of geodynamo are based on a spectral transform method in which variables are expanded in spherical harmonics. This method, however, is notâ€¦ (More)

Previous paleomagnetic studies of the glaciogenic Gowganda and Lorrain formations have identified several low-inclination magnetic components of high thermal stability, which suggest low-latitudeâ€¦ (More)