NONLINEAR RESPONSE OF 2-LEVEL TUNNELING SYSTEMS IU THE RDP-ADP PROTONGLASS

Authors
MIURA Y ORIHARA II IWATA M MAMIYA T MATSUNAGA N TERAUCHI H
Citation
Y. Miura et al., NONLINEAR RESPONSE OF 2-LEVEL TUNNELING SYSTEMS IU THE RDP-ADP PROTONGLASS, Czechoslovak journal of Physics, 46, 1996, pp. 2257-2258
Citations number
6
Categorie Soggetti
Physics
Journal title
Czechoslovak journal of Physics → ACNP
ISSN journal
00114626
Volume
46
Year of publication
1996
Supplement
4
Pages
2257 - 2258
Database
ISI
SICI code
0011-4626(1996)46:<2257:NRO2TS>2.0.ZU;2-C
Abstract
The nonlinear dielectric constant of the RDP(RbH2PO4)-ADP(NH4H2PO4) pr oton glass has been measured down to 0.03 K. For the ADP concentration x. 0.22<x<0.80. the RDP-ADP mixed crystals take up a frozen random co nfiguration of electric dipoles and the temperature dependence and the frequency dependence of the linear dielectric constant show the prese nce of two-level systems. The nonlinear dielectric constant has been m easured for the first time and the temperature dependence has been exp lained in terms of the interaction between a two-level system.