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arxiv: 0712.2181 · v2 · submitted 2007-12-13 · ❄️ cond-mat.supr-con · cond-mat.str-el

Tuning competing orders in La2-xSrxCuO4 cuprate superconductors by the application of an external magnetic field

J. Chang , Ch. Niedermayer , R. Gilardi , N.B. Christensen , H.M. Ronnow , D.F. McMorrow , M. Ay , J. Stahn
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O. Sobolev A. Hiess S. Pailhes C. Baines N. Momono M. Oda M. Ido J. Mesot
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classification ❄️ cond-mat.supr-con cond-mat.str-el
keywords applicationfieldla2-xsrxcuo4magneticresultsanomalyantiferromagneticcombined
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We report the results of a combined muon spin rotation and neutron scattering study on La2-xSrxCuO4 in the vicinity of the so-called 1/8-anomaly. Application of a magnetic field drives the system towards a magnetically ordered spin-density-wave state, which is fully developed at 1/8 doping. The results are discussed in terms of competition between antiferromagnetic and superconducting order parameters.

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