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Nuclear Ordering in Lithium and an Upper Limit on its Ambient Pressure Superconducting Transition Temperature

“…Spectra at other field values, as well as some further details of the measurement and of the data analysis can be found in Ref. [19]. The most remarkable feature of the data in Fig.…”

“…The quasistatic susceptibility 13 Hz 0 0, which we chose to measure at 3 and 7 mT, holds a well-established relation to p, once a general scaling factor has been found [19]. The reproducibility was good throughout, but the measurement accuracy set the useful range to some p > 1%.…”

“…In higher fields, another two distinct regions are marked on the basis of our temperature measurements [20]. At the high-B/low-p line (open circles, dashed light-gray line) the T-S curves depart from the hightemperature expansion S ÿ S max / 1=T 2 ; the change of temperature slows down while the entropy drops rapidly, until some stagnation of S is approached at the high-B/high-p line (solid circles, dashed dark-gray line).…”