Semiclassics, adiabatic decoupling and perturbed periodic structures [Elektronische Ressource] / vorgelegt von Eric Sträng

Institut für Theoretische PhysikDirektor: Prof. Dr. Frank SteinerSEMICLASSICS, ADIABATIC DECOUPLINGAND PERTURBED PERIODICSTRUCTURESDISSERTATIONzur Erlangung des Doktorgrades Dr. rer. nat.der Fakultät für Naturwissenschaftender Universität Ulmvorgelegt vonEric Strängaus Lund.2008iAmtierendenDekan: Prof. Dr. PeterBäuerleErstgutachter: Prof. Dr. JensBolteZweitgutachter: Prof. Dr. FrankSteinerTagderPromotion: 9. Februar2009iiPrefaceThisthesisisanattempttoreporttheresearchIhaveconductedduringthethreeyears Ihave been active at the Institute of Theoretical Physicsof the universityinUlm.Ithasreallybeenaprivilegetoworkattheinstituteoftheoretical physics. IwouldthereforeliketothankallmembersandformermembersoftheinstituteIhavehadthepleasureofmeeting. Inparticular,IwouldliketothankJensBoltefor his support and supervision the last three years and Frank Steiner for thefriendly atmosphere he has created at the institute. I would also like to thankStefanKeppelerforrecommendingmetothelattertwo.Ihavehadthepleasuretoengageinmanyaninterestingdiscussionatthede-partment. IwouldliketocommendSebastianEndres,KonstantinGlaum,Hol-ger Janzer, Maximilian Köpke, Raphael Lamon, Sven Lustig, Benjamin Obert,Wolfgang Peter, Stefan Poppe, Nils Bezares–Roder, Hans–Michael Stiepan, Al-viseVerso, Daniel Waltner for their active participation.