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Abstract
CeCoIn5 is a heavy fermion Type-II superconductor which exhibits clear indications of Pauli-limited superconductivity. A variety of measurements give evidence for a transition at high magnetic fields inside the superconducting state, when the field is applied either parallel to or perpendicular to the c axis. When the field is perpendicular to the c axis, antiferromagnetic order is observed on the high-field side of the transition, with a magnetic wavevector of (q q 0.5), where q = 0.44 reciprocal lattice units. We show that this order remains as the magnetic field is rotated out of the basal plane, but the associated moment eventually disappears above 17 degrees, indicating that the anomalies seen with the field parallel to the c axis are not related to this magnetic order. We discuss the implications of this finding.
Original language | English |
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Article number | 187001 |
Journal | Physical Review Letters |
Volume | 105 |
Issue number | 18 |
DOIs | |
Publication status | Published - 1 Oct 2010 |
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Dive into the research topics of 'Exploring the Fragile Antiferromagnetic Superconducting Phase in CeCoIn_{5}'. Together they form a unique fingerprint.Activities
- 1 Industry event
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UK-Korea Strongly Correlated Electron Systems Workshop
Elizabeth Blackburn (Invited speaker)
12 Apr 2012Activity: Academic and Industrial events › Industry event