1 2 3 4 5 4 He M. Roger et al., JLTP 112, 45 (1998)
A.F. Andreev and I.M. Lifshitz, Sov. Phys. JETP 29, 1107 (1969) Born in 2004 (hcp 4 He) E. Kim and M.H.W. Chan, Nature 427, 225 (2004); Science 305, 1941 (2004) Alexander F. Andreev Ilya M. Lifshitz torsional oscillator = Died (?) in 2012 Kim and M.H.W. Chan, PRL 109, 155301 (2012) ρ s / ρ 0.01 Moses Chan
total areal density: ρ (nm -2 ) 24 22 20 18 16 S. Nakamura et al.,arxiv:1406.4388v2 C2 + IC2 L2 + C2 L2 G2 + L2 14 (gas+liquid) 4 He/ 4 He/graphite IC2 (IC solid) C2 (uniform liquid) F2 (uniform fluid) 3rd layer promotion C2 phase 12 0 0.4 2nd layer promotion 0.8 1.2 T (K) 1.6
S. Nakamura et al.,arxiv:1406.4388v2 4 He/ 4 He/graphite Y. Shibayama et al. J. Phys. 150, 032096 (2009); to appear (2016) IC2 C2 + IC2 L2 + C2 L2 C2 F2 P.A. Crowell and J. D. Reppy, PRB 53, 2701 (1996) G2 + L2 promotion to 2nd layer (11.8 nm -2 )
Supersolid research after 2012 DC superflow measurement through a solid 4 He crystal Ye. Vekhov, W.J. Mullin, and R.B. Hallock, PRL 113, 035302 (2014) Ye. Vekhov and R.B. Hallock, PRB 92, 104509 (2015) 3 He plug for 1D superfluid channel? 3 He atom 1D S.F. network along screw dislocation cores M. Boninsegni et al., PRL 99, 035301 (2007). winding-circle map by PIMC calculation
RVB (resonating valence bond) P.W. Anderson (1973, 1987) gapful (Δ J) singlet pair
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3 He/HD/HD/gr χ T -1/3! C T 2/3! χ T -1/3 C T 2/3 χ T -1/3 C T 2/3 Ref. [2] Ref. [1] This work [1] H. Ikegami et al., PRL 85, 5146 (2000) [2] R. Masutomi, et al., PRL 92, 025301 (2004)
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ε k K K ε F Y. Niimi et al., Appl. Surf. Sci. 241, 43 (2005); PRB 73, 085421 (2006) T. Matsui et al., PRL 94, 226403 (2005)
T. Matsui et al., to appear (2016) 90 T = 80 K in UHV 60 Pressure Gauge to Rotary Pump sample Furnace Furnace Matching Box Copper Coil Flow Meter H 2 gas
0.07 nm 0.14 nm + 1 LL n = 1 n = 0 n = -1 D.A. Abanin et al., Sol. State Comm. 143, 77 (2007) (n 0 LL) ( ) (n = 0 LL) zz lower terrace zz- upper terrace T = 4.7 K B = 13 T T. Matsui et al., to appear (2016) n 0 LL l B = 7.1 nm LL0,-1 n = 0 LL (i) ZZ (EF ) (ii)
K. Nakayama, et. al., to appear (2016) gas inlet Δ Grafoil (A = 35 m 2 ) exfoliated graphene μ μ 1 cm lead wires suspended graphene suspended on SiO 2 F. Munoz-Rojas et al., PRL 102, 136810 (2009) graphene I + I - V + V -
M. Bockrath et al., Nature 397, 598 (1999) raw data CB corrected T. Fujimori et al., Nat. Commun. 4, 2162 (2013) 5 nm bulk contact S@SWCNT S@DWCNT 2 nm 2 nm CNT S CNT CNT S CNT 500 nm
K. Nakayama, et. al., to appear (2016) empty-dwcnt-ag S@DWCNT-Ag S@DWCNT-In R T α H = 0 R lnt α = 0.24 for CNT Egger et al., PRL 79, 5082 (1997) Kane et al., PRL 79, 5086 (1997) outer CNT: 1.4 nmφ metallic 99% inner CNT: 0.7 nmφ undefined
Y. Matsumoto et al., J. Low Temp. Phys. 134, 61 (2004); Physica B 329-333, 146 (2003) μ μ Temperature (mk) Magnetic field (Tesla)
HSW-1A HSW-2A PNS-2 HSW-1A PNS-1 PNS-2 HSW-2A HSW-2B HSW-1B PNS-1 150 mm HSW-2B HSW-1B 100 mm