Ultraslow fluctuations in the pseudogap states of HgBa2CaCu2 O6+δ

Yutaka Itoh; Takato Machi; Ayako Yamamoto

doi:10.1103/PhysRevB.95.094501

Ultraslow fluctuations in the pseudogap states of HgBa2CaCu2 O6+δ

Yutaka Itoh, Takato Machi, Ayako Yamamoto

Global course of Engineering and Science

Research output: Contribution to journal › Article

7 Citations (Scopus)

Abstract

We report the transverse relaxation rates 1/T2's of the Cu63 nuclear spin-echo envelope for double-layer high-Tc cuprate superconductors HgBa2CaCu2O6+δ from underdoped to overdoped. The relaxation rate 1/T2L of the exponential function (Lorentzian component) shows a peak at 220-240 K in the underdoped (Tc=103 K) and the optimally doped (Tc=127 K) samples but no peak in the overdoped (Tc=93 K) sample. The enhancement in 1/T2L suggests a development of the zero frequency components of local field fluctuations. Ultraslow fluctuations are hidden in the pseudogap states.

Original language	English
Article number	094501
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	95
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevB.95.094501
Publication status	Published - 2017 Mar 6

Fingerprint

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

Cite this

Itoh, Y., Machi, T., & Yamamoto, A. (2017). Ultraslow fluctuations in the pseudogap states of HgBa2CaCu2 O6+δ. Physical Review B - Condensed Matter and Materials Physics, 95(9), [094501]. https://doi.org/10.1103/PhysRevB.95.094501

@article{8f898ca737a147d3b2c004f15a6eee87,

title = "Ultraslow fluctuations in the pseudogap states of HgBa2CaCu2 O6+δ",

abstract = "We report the transverse relaxation rates 1/T2's of the Cu63 nuclear spin-echo envelope for double-layer high-Tc cuprate superconductors HgBa2CaCu2O6+δ from underdoped to overdoped. The relaxation rate 1/T2L of the exponential function (Lorentzian component) shows a peak at 220-240 K in the underdoped (Tc=103 K) and the optimally doped (Tc=127 K) samples but no peak in the overdoped (Tc=93 K) sample. The enhancement in 1/T2L suggests a development of the zero frequency components of local field fluctuations. Ultraslow fluctuations are hidden in the pseudogap states.",

author = "Yutaka Itoh and Takato Machi and Ayako Yamamoto",

year = "2017",

month = "3",

day = "6",

doi = "10.1103/PhysRevB.95.094501",

language = "English",

volume = "95",

journal = "Physical Review B-Condensed Matter",

issn = "0163-1829",

publisher = "American Institute of Physics Publising LLC",

number = "9",

}

TY - JOUR

T1 - Ultraslow fluctuations in the pseudogap states of HgBa2CaCu2 O6+δ

AU - Itoh, Yutaka

AU - Machi, Takato

AU - Yamamoto, Ayako

PY - 2017/3/6

Y1 - 2017/3/6

N2 - We report the transverse relaxation rates 1/T2's of the Cu63 nuclear spin-echo envelope for double-layer high-Tc cuprate superconductors HgBa2CaCu2O6+δ from underdoped to overdoped. The relaxation rate 1/T2L of the exponential function (Lorentzian component) shows a peak at 220-240 K in the underdoped (Tc=103 K) and the optimally doped (Tc=127 K) samples but no peak in the overdoped (Tc=93 K) sample. The enhancement in 1/T2L suggests a development of the zero frequency components of local field fluctuations. Ultraslow fluctuations are hidden in the pseudogap states.

AB - We report the transverse relaxation rates 1/T2's of the Cu63 nuclear spin-echo envelope for double-layer high-Tc cuprate superconductors HgBa2CaCu2O6+δ from underdoped to overdoped. The relaxation rate 1/T2L of the exponential function (Lorentzian component) shows a peak at 220-240 K in the underdoped (Tc=103 K) and the optimally doped (Tc=127 K) samples but no peak in the overdoped (Tc=93 K) sample. The enhancement in 1/T2L suggests a development of the zero frequency components of local field fluctuations. Ultraslow fluctuations are hidden in the pseudogap states.

UR - http://www.scopus.com/inward/record.url?scp=85014839888&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85014839888&partnerID=8YFLogxK

U2 - 10.1103/PhysRevB.95.094501

DO - 10.1103/PhysRevB.95.094501

M3 - Article

AN - SCOPUS:85014839888

VL - 95

JO - Physical Review B-Condensed Matter

JF - Physical Review B-Condensed Matter

SN - 0163-1829

IS - 9

M1 - 094501

ER -

Access to Document

10.1103/PhysRevB.95.094501