QFS2016 Book of Abstracts

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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