| Budget Amount *help |
¥13,780,000 (Direct Cost: ¥10,600,000、Indirect Cost: ¥3,180,000)
Fiscal Year 2017: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2016: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2015: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
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| Outline of Final Research Achievements |
By measuring specific heat of helium 3 (3He: nuclear spin 1/2) monolayers physisorbed on graphite surfaces down to millikelvin temperatures, we obtained the following new results: (1) There exists quantum liquid crystal in between quantum solid and quantum liquid. The possible structure of the quantum liquid crystal state in 3He monolayers is quantum hexatic phase. The quantum liquid crystallinity would result in the emergence of the known gapless quantum spin liquid (QSL) state in this system. (2) A new 3He commensurate phase was discovered in 3He monolayer on graphite preplated with a bilayer of HD, where a new class of QSL state with curious fractional powers of temperature dependences of specific heat and magnetic susceptibility is realized.
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