Crossref journal-article
American Association for the Advancement of Science (AAAS)
Science (221)
Abstract

Scanning tunneling microscopy is used to image the additional quasi-particle states generated by quantized vortices in the high critical temperature superconductor Bi 2 Sr 2 CaCu 2 O 8+δ . They exhibit a copper-oxygen bond–oriented “checkerboard” pattern, with four unit cell (4 a 0 ) periodicity and a ∼30 angstrom decay length. These electronic modulations may be related to the magnetic field–induced, 8 a 0 periodic, spin density modulations with decay length of ∼70 angstroms recently discovered in La 1.84 Sr 0.16 CuO 4 . The proposed explanation is a spin density wave localized surrounding each vortex core. General theoretical principles predict that, in the cuprates, a localized spin modulation of wavelength λ should be associated with a corresponding electronic modulation of wavelength λ/2, in good agreement with our observations.

Bibliography

Hoffman, J. E., Hudson, E. W., Lang, K. M., Madhavan, V., Eisaki, H., Uchida, S., & Davis, J. C. (2002). A Four Unit Cell Periodic Pattern of Quasi-Particle States Surrounding Vortex Cores in Bi 2 Sr 2 CaCu 2 O 8+δ. Science, 295(5554), 466–469.

Authors 7
  1. J. E. Hoffman (first)
  2. E. W. Hudson (additional)
  3. K. M. Lang (additional)
  4. V. Madhavan (additional)
  5. H. Eisaki (additional)
  6. S. Uchida (additional)
  7. J. C. Davis (additional)
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Dates
Type When
Created 23 years ago (July 27, 2002, 5:47 a.m.)
Deposited 1 year, 7 months ago (Jan. 9, 2024, 4:09 p.m.)
Indexed 4 days, 12 hours ago (Aug. 19, 2025, 6:19 a.m.)
Issued 23 years, 7 months ago (Jan. 18, 2002)
Published 23 years, 7 months ago (Jan. 18, 2002)
Published Print 23 years, 7 months ago (Jan. 18, 2002)
Funders 0

None

@article{Hoffman_2002, title={A Four Unit Cell Periodic Pattern of Quasi-Particle States Surrounding Vortex Cores in Bi 2 Sr 2 CaCu 2 O 8+δ}, volume={295}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1066974}, DOI={10.1126/science.1066974}, number={5554}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Hoffman, J. E. and Hudson, E. W. and Lang, K. M. and Madhavan, V. and Eisaki, H. and Uchida, S. and Davis, J. C.}, year={2002}, month=jan, pages={466–469} }