Singular or non-Fermi liquids
274C.M.Varmaetal./PhysicsReports361(2002)
267–417
Fig.2.SpeciÿcheatofCeAl3atlowtemperaturesfromAndresetal.[28].Theslopeofthelinearspeciÿcheatisabout3000timesthatofthelinearspeciÿcheatof,say,Cu.However,thehigh-temperaturecut-o ofthislineartermissmallerthanthatofCubyasimilaramount.Theriseofthespeciÿcheatinamagneticÿeldatlowtemperaturesisthenuclearcontribution,irrelevanttoour
discussion.
Fig.3.ElectricalresistivityofCeAl3below100mK,plottedagainstT2.FromAndresetal.[28].
theprefactor ofthespeciÿcheatisafactorthousandtimeslargerthanusual,theprefactoroftheT2termintheresistivityisafactor106larger—while scaleslinearlywiththee ectivemassratiom =m,theprefactoroftheT2termintheresistivityincreasesforthisclassofFermiliquidsas(m =m)2.
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