Magnetic Susceptibility of Andreev Bound States in Superfluid He3−B

J. W. Scott; M. D. Nguyen; D. Park; W. P. Halperin

doi:10.1103/PhysRevLett.131.046001

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Magnetic Susceptibility of Andreev Bound States in Superfluid He3−B

J. W. Scott, M. D. Nguyen, D. Park, W. P. Halperin

DOI 10.1103/PhysRevLett.131.046001 · Physical Review Letters

T1

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Abstract

Nuclear magnetic resonance measurements of the magnetic susceptibility of superfluid He3 imbibed in anisotropic aerogel reveal anomalous behavior at low temperatures. Although the frequency shift clearly identifies a low-temperature phase as the B phase, the magnetic susceptibility does not display the expected decrease associated with the formation of the opposite-spin Cooper pairs. This susceptibility anomaly appears to be the predicted high-field behavior corresponding to the Ising-like magnetic character of surface Andreev bound states within the planar aerogel structures.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
He3 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown