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Title: Optical perturbation of the hole pockets in the underdoped high- T c superconducting cuprates

Abstract

The high-Tc superconducting cuprates are recognized as doped Mott insulators. Several studies indicate that as a function of doping and temperature, there is a crossover from this regime into a phase characterized as a marginal Fermi liquid. Several calculations of the doped Mott insulating phase indicate that the Fermi surface defines small pockets which at the higher doping levels switch to a full closed Fermi surface, characteristic of a more metallic system. Here we use femtosecond laser-based pump-probe techniques to investigate the structure of the Fermi surface in the underdoped region of Bi2Sr2CaCu2O8+δ and compare it with that associated with the optimally doped material. We confirm the concept of a small pocket in the underdoped system consistent with theoretical predictions in this strongly correlated state.

Authors:
; ; ; ; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Center for Emergent Superconductivity (CES); Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1566687
DOE Contract Number:  
AC02-98CH10886
Resource Type:
Journal Article
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 99; Journal Issue: 8; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
phonons, thermal conductivity, energy storage (including batteries and capacitors), superconductivity, defects, spin dynamics

Citation Formats

Freutel, S., Rameau, J. D., Rettig, L., Avigo, I., Ligges, M., Yoshida, Y., Eisaki, H., Schneeloch, J., Zhong, R. D., Xu, Z. J., Gu, G. D., Bovensiepen, U., and Johnson, P. D. Optical perturbation of the hole pockets in the underdoped high- Tc superconducting cuprates. United States: N. p., 2019. Web. doi:10.1103/physrevb.99.081116.
Freutel, S., Rameau, J. D., Rettig, L., Avigo, I., Ligges, M., Yoshida, Y., Eisaki, H., Schneeloch, J., Zhong, R. D., Xu, Z. J., Gu, G. D., Bovensiepen, U., & Johnson, P. D. Optical perturbation of the hole pockets in the underdoped high- Tc superconducting cuprates. United States. doi:10.1103/physrevb.99.081116.
Freutel, S., Rameau, J. D., Rettig, L., Avigo, I., Ligges, M., Yoshida, Y., Eisaki, H., Schneeloch, J., Zhong, R. D., Xu, Z. J., Gu, G. D., Bovensiepen, U., and Johnson, P. D. Fri . "Optical perturbation of the hole pockets in the underdoped high- Tc superconducting cuprates". United States. doi:10.1103/physrevb.99.081116.
@article{osti_1566687,
title = {Optical perturbation of the hole pockets in the underdoped high- Tc superconducting cuprates},
author = {Freutel, S. and Rameau, J. D. and Rettig, L. and Avigo, I. and Ligges, M. and Yoshida, Y. and Eisaki, H. and Schneeloch, J. and Zhong, R. D. and Xu, Z. J. and Gu, G. D. and Bovensiepen, U. and Johnson, P. D.},
abstractNote = {The high-Tc superconducting cuprates are recognized as doped Mott insulators. Several studies indicate that as a function of doping and temperature, there is a crossover from this regime into a phase characterized as a marginal Fermi liquid. Several calculations of the doped Mott insulating phase indicate that the Fermi surface defines small pockets which at the higher doping levels switch to a full closed Fermi surface, characteristic of a more metallic system. Here we use femtosecond laser-based pump-probe techniques to investigate the structure of the Fermi surface in the underdoped region of Bi2Sr2CaCu2O8+δ and compare it with that associated with the optimally doped material. We confirm the concept of a small pocket in the underdoped system consistent with theoretical predictions in this strongly correlated state.},
doi = {10.1103/physrevb.99.081116},
journal = {Physical Review B},
issn = {2469-9950},
number = 8,
volume = 99,
place = {United States},
year = {2019},
month = {2}
}

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