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BEGIN:VEVENT
DTSTAMP:20260802T164640Z
LAST-MODIFIED:20130107T164529Z
DTSTART:20130125T170000Z
DTEND:20130125T180000Z
UID:event981@bu.edu
URL:http://physics.bu.edu/internal/events/show/981
SUMMARY:Singlet condensation on an antiferromagnetic background in CaMn2Sb2
DESCRIPTION:Featuring Verner Thorsmolle\, Rutgers University\nHosted by: Ri
	chard Averitt\n\nPart of the Biophysics/Condensed Matter Seminar Series.\n\
	nAbstract:\nI will present recent transport and spectroscopic Raman studies
	\,\nsupported by DFT-DMFT computations\, of CaMn2Sb2 which presents a\nnarr
	ow gap insulator harboring a weak ferromagnetic phase below 200 K\nand an a
	ntiferromagnetic (AF) phase below 85 K. Upon approaching the\nAF phase Rama
	n spectroscopy shows a broad continuum below 50 meV\nemerging into a cohere
	nt 32 meV excitation which also governs\nArrhenius type conductivity. The l
	ow-temperature behavior is\ninterpreted in terms of singlet pairing above t
	he computed AF order\nwhere the emergent feature is due to singlet pair bre
	aking excitations\ninto quasiparticles.
LOCATION:SCI 352\, 590 Commonwealth Avenue\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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