TY - JOUR AU - Sanna, Simone AU - Schmidt, Wolf Gero AU - Frauenheim, Th. AU - Gerstmann, Uwe ID - 13657 IS - 10 JF - Physical Review B SN - 1098-0121 TI - Rare-earth defect pairs in GaN: LDA+U calculations VL - 80 ER - TY - JOUR AU - Passmann, Regina AU - Favero, Priscila AU - Schmidt, Wolf Gero AU - Miotto, Ronei AU - Braun, Walter AU - Richter, Wolfgang AU - Kneissl, Michael AU - Esser, Norbert AU - Vogt, Patrick ID - 13658 IS - 12 JF - Physical Review B SN - 1098-0121 TI - Adsorption structure of cyclopentene on InP(001)(2×4) VL - 80 ER - TY - JOUR AU - Landmann, M. AU - Rauls, E. AU - Schmidt, Wolf Gero ID - 13665 IS - 4 JF - Physical Review B SN - 1098-0121 TI - First-principles calculations of clean Au(110) surfaces and chemisorption of atomic oxygen VL - 79 ER - TY - JOUR AU - Rockstuhl, Carsten AU - Paul, Thomas AU - Lederer, Falk AU - Pertsch, Thomas AU - Zentgraf, Thomas AU - Meyrath, Todd P. AU - Giessen, Harald ID - 1743 IS - 3 JF - Physical Review B SN - 1098-0121 TI - Transition from thin-film to bulk properties of metamaterials VL - 77 ER - TY - JOUR AU - Grbić, B. AU - Leturcq, R. AU - Ihn, T. AU - Ensslin, K. AU - Blatter, G. AU - Reuter, Dirk AU - Wieck, A. D. ID - 8606 JF - Physical Review B SN - 1098-0121 TI - Hysteretic magnetotransport inp-typeAlxGa1−xAsheterostructures with In/Zn/Au Ohmic contacts ER - TY - JOUR AU - Hugger, S. AU - Xu, Hengyi AU - Tarasov, A. AU - Cerchez, M. AU - Heinzel, T. AU - Zozoulenko, I. V. AU - Reuter, Dirk AU - Wieck, A. D. ID - 8611 JF - Physical Review B SN - 1098-0121 TI - Magnetic-barrier-induced conductance fluctuations in quantum wires ER - TY - JOUR AU - Hernandez, F. G. G. AU - Greilich, A. AU - Brito, F. AU - Wiemann, M. AU - Yakovlev, D. R. AU - Reuter, Dirk AU - Wieck, A. D. AU - Bayer, M. ID - 8617 JF - Physical Review B SN - 1098-0121 TI - Temperature-induced spin-coherence dissipation in quantum dots ER - TY - JOUR AB - We study phonon-assisted electron tunneling in semiconductor quantum dot molecules. In particular, singletsinglet relaxation in a two-electron-doped structure is considered. The influence of Coulomb interaction is discussed via comparison with a single-electron system. We find that the relaxation rate reaches similar values in the two cases but the Coulomb interaction shifts the maximum rates toward larger separations between the dots. The difference in electron-phonon interaction between deformation potential and piezoelectric coupling is investigated. We show that the phonon-induced tunneling between two-electron singlet states is a fast process, taking place on the time scales of the order of a few tens of picoseconds. AU - Grodecka, A. AU - Machnikowski, P. AU - Förstner, Jens ID - 4187 IS - 8 JF - Physical Review B KW - tet_topic_qd SN - 1098-0121 TI - Phonon-assisted tunneling between singlet states in two-electron quantum dot molecules VL - 78 ER - TY - JOUR AU - Wippermann, S. AU - Schmidt, Wolf Gero ID - 13666 IS - 23 JF - Physical Review B SN - 1098-0121 TI - Water adsorption on clean Ni(111) and p(2×2)-Ni(111)-O surfaces calculated from first principles VL - 78 ER - TY - JOUR AU - Blankenburg, S. AU - Schmidt, Wolf Gero ID - 13667 JF - Physical Review B SN - 1098-0121 TI - Spatial modulation of molecular adsorption energies due to indirect interaction VL - 78 ER - TY - JOUR AU - Rauls, E. AU - Dijkstra, S. J. AU - Schmidt, Wolf Gero ID - 13669 IS - 11 JF - Physical Review B SN - 1098-0121 TI - Atomic structure and energetics of thec-GaN(001) surface VL - 78 ER - TY - JOUR AU - Rakel, Munise AU - Cobet, Christoph AU - Esser, Norbert AU - Fuchs, Frank AU - Bechstedt, Friedhelm AU - Goldhahn, Rüdiger AU - Schmidt, Wolf Gero AU - Schaff, William ID - 13673 IS - 11 JF - Physical Review B SN - 1098-0121 TI - GaN and InN conduction-band states studied by ellipsometry VL - 77 ER - TY - JOUR AU - Schmidt, Wolf Gero AU - Albrecht, M. AU - Wippermann, S. AU - Blankenburg, S. AU - Rauls, E. AU - Fuchs, F. AU - Rödl, C. AU - Furthmüller, J. AU - Hermann, A. ID - 13676 JF - Physical Review B SN - 1098-0121 TI - LiNbO3ground- and excited-state properties from first-principles calculations VL - 77 ER - TY - JOUR AB - The emitted radiation from semiconductor nanostructures due to the excitation with intense ultrashort optical laser pulses is analyzed. Semiconductor Bloch equations that consistently describe the coupled light-field-induced interband and intraband dynamics are solved numerically. It is demonstrated that the intraband dynamics considerably influences the light emission in the regime of extreme nonlinear optics. In particular, the intraband acceleration significantly modifies the dynamics of the interband polarization which results in a strong enhancement of high-harmonic generation. AU - Golde, D. AU - Meier, Torsten AU - Koch, S. W. ID - 23483 IS - 7 JF - Physical Review B SN - 1098-0121 TI - High harmonics generated in semiconductor nanostructures by the coupled dynamics of optical inter- and intraband excitations VL - 77 ER - TY - JOUR AU - Golde, D. AU - Meier, T. AU - Koch, S. W. ID - 23484 IS - 7 JF - Physical Review B SN - 1098-0121 TI - High harmonics generated in semiconductor nanostructures by the coupled dynamics of optical inter- and intraband excitations VL - 77 ER - TY - JOUR AU - Meyrath, T. P. AU - Zentgraf, Thomas AU - Giessen, H. ID - 1756 IS - 20 JF - Physical Review B SN - 1098-0121 TI - Lorentz model for metamaterials: Optical frequency resonance circuits VL - 75 ER - TY - JOUR AU - Zentgraf, Thomas AU - Meyrath, T. P. AU - Seidel, A. AU - Kaiser, S. AU - Giessen, H. AU - Rockstuhl, C. AU - Lederer, F. ID - 1759 IS - 3 JF - Physical Review B SN - 1098-0121 TI - Babinet’s principle for optical frequency metamaterials and nanoantennas VL - 76 ER - TY - JOUR AU - Utikal, Tobias AU - Zentgraf, Thomas AU - Kuhl, Jürgen AU - Giessen, Harald ID - 1763 IS - 24 JF - Physical Review B SN - 1098-0121 TI - Dynamics and dephasing of plasmon polaritons in metallic photonic crystal superlattices: Time- and frequency-resolved nonlinear autocorrelation measurements and simulations VL - 76 ER - TY - JOUR AU - Bryja, Leszek AU - Wójs, Arkadiusz AU - Misiewicz, Jan AU - Potemski, Marek AU - Reuter, Dirk AU - Wieck, Andreas ID - 8622 JF - Physical Review B SN - 1098-0121 TI - Magneto-optical probing of weak disorder in a two-dimensional hole gas ER - TY - JOUR AU - Scheibner, R. AU - Novik, E. G. AU - Borzenko, T. AU - König, M. AU - Reuter, Dirk AU - Wieck, A. D. AU - Buhmann, H. AU - Molenkamp, L. W. ID - 8625 JF - Physical Review B SN - 1098-0121 TI - Sequential and cotunneling behavior in the temperature-dependent thermopower of few-electron quantum dots ER -