Antiferromagnetic order induced by an applied magnetic field in a high-temperature superconductor

B. Lake, H. M. Rønnow, N. B. Christensen, G. Aeppli, K. Lefmann, D. F. McMorrow, P. Vorderwisch, P. Smeibidl, N. Mangkorntong, T. Sasagawa, Minoru Nohara, H. Takagi, T. E. Mason

Research output: Contribution to journalArticle

468 Citations (Scopus)

Abstract

One view of the high-transition-temperature (high-Tc) copper oxide superconductors is that they are conventional superconductors where the pairing occurs between weakly interacting quasiparticles (corresponding to the electrons in ordinary metals), although the theory has to be pushed to its limit. An alternative view is that the electrons organize into collective textures (for example, charge and spin stripes) which cannot be 'mapped' onto the electrons in ordinary metals. Understanding the properties of the material would then need quantum field theories of objects such as textures and strings, rather than point-like electrons. In an external magnetic field, magnetic flux penetrates type II superconductors via vortices, each carrying one flux quantum. The vortices form lattices of resistive material embedded in the non-resistive superconductor, and can reveal the nature of the ground state - for example, a conventional metal or an ordered, striped phase - which would have appeared had superconductivity not intervened, and which provides the best starting point for a pairing theory. Here we report that for one high-Tc superconductor, the applied field that imposes the vortex lattice also induces 'striped' antiferromagnetic order. Ordinary quasiparticle models can account for neither the strength of the order nor the nearly field-independent antiferromagnetic transition temperature observed in our measurements.

Original languageEnglish
Pages (from-to)299-302
Number of pages4
JournalNature
Volume415
Issue number6869
DOIs
Publication statusPublished - Jan 17 2002
Externally publishedYes

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Magnetic Fields
Temperature
Electrons
Transition Temperature
Metals
Quantum Theory
Oxides
Superconductivity
Copper

ASJC Scopus subject areas

  • General

Cite this

Lake, B., Rønnow, H. M., Christensen, N. B., Aeppli, G., Lefmann, K., McMorrow, D. F., ... Mason, T. E. (2002). Antiferromagnetic order induced by an applied magnetic field in a high-temperature superconductor. Nature, 415(6869), 299-302. https://doi.org/10.1038/415299a

Antiferromagnetic order induced by an applied magnetic field in a high-temperature superconductor. / Lake, B.; Rønnow, H. M.; Christensen, N. B.; Aeppli, G.; Lefmann, K.; McMorrow, D. F.; Vorderwisch, P.; Smeibidl, P.; Mangkorntong, N.; Sasagawa, T.; Nohara, Minoru; Takagi, H.; Mason, T. E.

In: Nature, Vol. 415, No. 6869, 17.01.2002, p. 299-302.

Research output: Contribution to journalArticle

Lake, B, Rønnow, HM, Christensen, NB, Aeppli, G, Lefmann, K, McMorrow, DF, Vorderwisch, P, Smeibidl, P, Mangkorntong, N, Sasagawa, T, Nohara, M, Takagi, H & Mason, TE 2002, 'Antiferromagnetic order induced by an applied magnetic field in a high-temperature superconductor', Nature, vol. 415, no. 6869, pp. 299-302. https://doi.org/10.1038/415299a
Lake B, Rønnow HM, Christensen NB, Aeppli G, Lefmann K, McMorrow DF et al. Antiferromagnetic order induced by an applied magnetic field in a high-temperature superconductor. Nature. 2002 Jan 17;415(6869):299-302. https://doi.org/10.1038/415299a
Lake, B. ; Rønnow, H. M. ; Christensen, N. B. ; Aeppli, G. ; Lefmann, K. ; McMorrow, D. F. ; Vorderwisch, P. ; Smeibidl, P. ; Mangkorntong, N. ; Sasagawa, T. ; Nohara, Minoru ; Takagi, H. ; Mason, T. E. / Antiferromagnetic order induced by an applied magnetic field in a high-temperature superconductor. In: Nature. 2002 ; Vol. 415, No. 6869. pp. 299-302.
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