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000756543 020__ $$a9783319395432$$q(electronic book)
000756543 020__ $$a3319395432$$q(electronic book)
000756543 020__ $$z9783319395425
000756543 035__ $$aSP(OCoLC)ocn953969153
000756543 035__ $$aSP(OCoLC)953969153
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000756543 049__ $$aISEA
000756543 050_4 $$aQD171
000756543 08204 $$a620.1/696$$223
000756543 1001_ $$aPfau, Heike,$$eauthor.
000756543 24510 $$aThermal transport in strongly correlated rare-earth intermetallic compounds$$h[electronic resource] /$$cHeike Pfau.
000756543 264_1 $$aSwitzerland :$$bSpringer,$$c2016.
000756543 300__ $$a1 online resource (xxi, 118 pages) :$$billustrations.
000756543 336__ $$atext$$btxt$$2rdacontent
000756543 337__ $$acomputer$$bc$$2rdamedia
000756543 338__ $$aonline resource$$bcr$$2rdacarrier
000756543 4901_ $$aSpringer theses
000756543 500__ $$a"Doctoral thesis accepted by the Technical University Dresden, Germany."
000756543 504__ $$aIncludes bibliographical references.
000756543 5050_ $$aIntroduction -- Theoretical Models -- Experimental Techniques for Transport Measurements -- The Wiedemann-Franz Law in YbRh2Si2 -- Kondo Lattices in Magnetic Field -- The Superconducting Order Parameter of LaPt4Ge12 -- Summary and Outlook.
000756543 506__ $$aAccess limited to authorized users.
000756543 520__ $$aThis thesis explores thermal transport in selected rare-earth-based intermetallic compounds to answer questions of great current interest. It also sheds light on the interplay of Kondo physics and Fermi surface changes. By performing thermal conductivity and electrical resistivity measurements at temperatures as low as 25mK, the author demonstrates that the Wiedemann-Franz law, a cornerstone of metal physics, is violated at precisely the magnetic-field-induced quantum critical point of the heavy-fermion metal YbRh2Si2. This first-ever observation of a violation has dramatic consequences, as it implies a breakdown of the quasiparticle picture. Utilizing an innovative technique to measure low-temperature thermal transport isothermally as a function of the magnetic field, the thesis interprets specific, partly newly discovered, high-field transitions in CeRu2Si2 and YbRh2Si2 as Lifshitz transitions related to a change in the Fermi surface. Lastly, by applying this new technique to thermal conductivity measurements of the skutterudite superconductor LaPt4Ge12, the thesis proves that the system is a conventional superconductor with a single energy gap. Thus, it refutes the widespread speculations about unconventional Cooper pairing in this material. .
000756543 588__ $$aOnline resource; title from PDF title page (SpringerLink, viewed July 26, 2016).
000756543 650_0 $$aIntermetallic compounds$$xThermal properties.
000756543 650_0 $$aRare earth metals.
000756543 650_0 $$aHeat$$xTransmission.
000756543 830_0 $$aSpringer theses.
000756543 852__ $$bebk
000756543 85640 $$3SpringerLink$$uhttps://univsouthin.idm.oclc.org/login?url=http://link.springer.com/10.1007/978-3-319-39543-2$$zOnline Access$$91397441.1
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000756543 980__ $$aEBOOK
000756543 980__ $$aBIB
000756543 982__ $$aEbook
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