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Abstracts
P1.41
Quantum Criticality, Quantized Massive Gauge Fields, and the
Strange Metal in High-Tc Cuprates
I. Kanazawa 1), T.Sasaki 2), R.Maeda 1)
1) Department of Physics, Tokyo Gakugei University
2) Graduate School of Pure and Applied Science, University of Tsukuba
Tacon et al.[1] have observed by means of resonant inelastic X-ray scattering
that damped magnetic excitation are present inside the electron-hole spin-flip
continuum(up to 300 meV) in doped high-Tc cuprates. Kanazawa[2
,
3] has
introduced quantized collective-massive gauge fields around the doped hole as
collective modes, which contain effects of spin fluctuation, charge fluctuation, and
phonon. In addition,Kanazawa[4
−
6] has proposed the mechanism of evolution
of the Fermi arc with increasing of temperature and holo-doping in high Tc
cuprates. It is seen that the evolution of the Fermi arc is much related to the
restoration of the spontaneous symmetry breaking. In this study, we will discuss
the relation among quantum criticality, the strange metal, and quantized massive
gauge fields in high Tc cuprates.
[1]M. Le Tacon et al. Nat.Phys.7,725(2011)
[2]I. Kanazawa,Physica C 185-189,1703(1991)
[3]I. Kanazawa,J.Phys.A36,9371(2003)
[4]I. Kanazawa,J.Phys.Chem.Solids 66,1388(2005)
[5]I. Kanazawa,Physica C 470,S183(2010)
[6]I. Kanazawa,T.Sasaki,Phys.Scr.T165,014038(2015)
P1.42
QUANTUM EFFECTS IN HYDROGEN SORPTION BY
MESOPOROUS MCM-41 MATERIAL
Maria.V. Khlystiuck, Alexander.V. Dolbin, Valentyn.B. Esel’son, Victor.G.
Gavrilko, Nikolay.A. Vinnikov, Razet. M. Basnukaeva
B.Verkin Institute for Low Temperature Physics and Engineering of NAS of
Ukraine, Prospect Nauky, 47, Kharkiv 61103, Ukraine
Studies of hydrogen absorption by porous silicate MCM-41 materials have
shown that the processes of sorption and subsequent desorption of the H
2
molecules MCM-41 channels are several mechanisms that occur in different
temperature ranges. At a temperature below 8 K, the diffusion coefficients
H
2
weakly dependent on temperature, which corresponds to the change in
the MCM-41 pores filling mechanism, from layer-by-layer filling to the capillary
condensation of H
2
molecules. Obtained results were compared with experimental
results for H
2
sorption by carbon nanotubes.
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