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Journal Articles

Fast nuclear-spin conversion of H$$_{2}$$ trapped and polarized in a CO$$_{2}$$ matrix

Yamakawa, Koichiro; Ishibashi, Atsuki*; Namiyoshi, Toshinobu*; Azuma, Yuichi*; Arakawa, Ichiro*

Physical Review B, 102(4), p.041401_1 - 041401_5, 2020/07

https://doi.org/10.1103/PhysRevB.102.041401
 Times Cited Count：2 Percentile：12.54(Materials Science, Multidisciplinary)

Oral presentation

Nuclear spin conversion of H$$_2$$ trapped in solid CO$$_2$$

Yamakawa, Koichiro; Namiyoshi, Toshinobu*; Ishibashi, Atsuki*; Arakawa, Ichiro*

no journal, , 

We detected weak infrared absorption by H$$_{2}$$ trapped and polarized in solid CO$$_{2}$$ and evaluated the strength of the local electric field just in the solid. By analyzing the time evolution of the spectrum, we determined the conversion rates of H$$_{2}$$ to examine the effect of the electric field on the conversion.

Oral presentation

Nuclear spin conversion of hydrogen trapped in condensed layers of carbon dioxide

Yamakawa, Koichiro; Ishibashi, Atsuki*; Namiyoshi, Toshinobu*; Arakawa, Ichiro*

no journal, , 

The mechanism of the interconvertion between the nuclear spin isomers has been attracted much interest recently. In the present work, we detected the weak infrared absorption by hydrogen molecules polarized in the condensed layers of carbon dioxide and measured the rate of the nuclear spin conversion to discuss its mechanism.

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