Enhancement of electronic spin susceptibility in Pauli-limited unconventional superconductors
Benjamin M. Rosemeyer, Anton B. Vorontsov
DOI 10.1103/PhysRevB.89.220501 · Physical Review B
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Abstract
We calculate the wave-vector-dependent electronic spin susceptibility χαβ(q,H0) of a d-wave superconductor in uniform magnetic field H0 with Pauli pair-breaking. We find that the transverse component of the susceptibility tensor can be greater than its normal state value; the longitudinal component also slightly increases but in a very limited range of q's. We identify several wave vectors {q⊥,q∥} that correspond to the maxima of either χ⊥ or χ∥. We compare our results with available data on the high-field phase in heavy-fermion CeCoIn5.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| CeCoIn5 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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