\boldmath Time-Reversal-Symmetry Violation and Coexistence of Superconducting and Magnetic Order in CeRh$_{1-x}$Ir$_x$In$_5$
R. H. Heffner
$^1$ D. E. MacLaughlin
$^2$ J. E. Sonier
$^3$ G. J. Nieuwenhuys
$^4$ O. O. Bernal
$^5$ Barbara Simovi\v{c}
$^1$ P.~G.~Pagliuso
$^1$ J. L. Sarrao
$^1$ J. D. Thompson$^1$
% For preprint version % The abstract goes here This paper has been withdrawn by the authors. We performed additional zero-field muon spin relaxation measurements in the superconducting state of CeIrIn$_5$ and found that the spontaneous fields reported previously below $T_c$ are not present. Thus, there is no evidence for a time-reversal-symmetry-violating superconducting order parameter. These new zero-field measurements, as well as new measurements of the penetration depth in this system, will be reported elsewhere. Our zero-field measurements in CeIr$_{0.5}$Rh$_{0.5}$In$_5$, reporting coexistence of superconductivity and magentic order, are still valid. %\\[6pt] PACS numbers: 74.70.T, 75.30.M, 76.75}} % For two-column version
cond-mat0102137.tex
% Paper on musr in CeIrIn5 and CeRhIrIn5 submitted to PRL.

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%\preprint{Submitted to Phys.~Rev.~Lett.} 
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\title{\boldmath Time-Reversal-Symmetry Violation and Coexistence of Superconducting and Magnetic Order in CeRh$_{1-x}$Ir$_x$In$_5$}
\author{R. H. Heffner,$^1$ D. E. MacLaughlin,$^2$ J. E. Sonier,$^3$ G. J. Nieuwenhuys,$^4$ O. O. Bernal,$^5$ Barbara Simovi\v{c},$^1$ P.~G.~Pagliuso,$^1$ J. L. Sarrao,$^1$ J. D. Thompson$^1$}
\address{$^1$Los Alamos National Laboratory, Los Alamos, New Mexico 87545}
\address{$^2$Department of Physics, University of California, Riverside, California 92521}
\address{$^3$Department of Physics, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6}
\address{$^4$Kamerlingh Onnes Laboratory, Leiden University, P. O. Box 9504, 2300 RA Leiden, The Netherlands}
\address{$^5$California State University, Los Angeles, California}


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% The abstract goes here
This paper has been withdrawn by the authors.  We performed additional zero-field muon spin relaxation measurements in the superconducting state of CeIrIn$_5$ and found that the spontaneous fields reported previously below $T_c$ are not present.  Thus, there is no evidence for a time-reversal-symmetry-violating superconducting order parameter.  These new zero-field measurements, as well as new measurements of the penetration depth in this system, will be reported elsewhere.  Our zero-field measurements in CeIr$_{0.5}$Rh$_{0.5}$In$_5$, reporting coexistence of superconductivity and magentic order, are still valid.
%\\[6pt] PACS numbers: 74.70.T, 75.30.M, 76.75}}               % For two-column version
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\pacs{PACS numbers: 74.70.T, 75.30.M, 76.75}  % For preprint version

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This paper has been withdrawn by the authors for the reasons cited in the new abstract.
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