Terahertz Time-Domain Spectroscopy of Protein Myoglobin: Detection of Boson Peak and Fracton

被引：0
|
作者：
Motoji, Leona [1 ]
Mori, Tatsuya [1 ]
Fujii, Yasuhiro [2 ]
Koreeda, Akitoshi [2 ]
Shiraki, Kentaro [1 ]
Yamamoto, Yohei [1 ]
Kojima, Seiji [1 ]
机构：
[1] Univ Tsukuba, Div Mat Sci, 1-1-1 Tennodai, Tsukuba, Ibaraki 3058573, Japan
[2] Ritsumeikan Univ, Dept Phys Sci, 1-1-1 Noji Higashi, Kusatsu, Shiga 5258577, Japan
来源：
2018 43RD INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ) | 2018年
关键词：
FREQUENCY RAMAN-SCATTERING; VIBRATIONAL PROPERTIES; DYNAMICS; SILICA; STATES;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We performed terahertz time-domain spectroscopy on protein myoglobin to detect the universal boson peak (BP) behavior in glassy materials and fracton expected to universally appear in polymer glasses. The obtained spectral shape of log epsilon '' vs log frequency [epsilon '': the imaginary part of complex dielectric constants] indicates that the fracton region appears above the BP frequency. The fractal and fracton dimensions were evaluated from the obtained spectra.
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页数：2
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