Výsledky vyhledávání - "Obergfell, M."

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N\'{e}el Spin Orbit Torque driven antiferromagnetic resonance in Mn$_{2}$Au probed by time-domain THz spectroscopy

Autor: Bhattacharjee, N., Sapozhnik, A. A., Bodnar, S. Yu., Grigorev, V. Yu., Agustsson, S. Y., Cao, J., Dominko, D., Obergfell, M., Gomonay, O., Sinova, J., Kläui, M., Elmers, H. -J., Jourdan, M., Demsar, J.

Publikováno v: Phys. Rev. Lett. 120, 237201 (2018)

We observe the excitation of collective modes in the THz range driven by the recently discovered N\'{e}el spin-orbit torques (NSOT) in the metallic antiferromagnet Mn$_{2}$Au. Temperature dependent THz spectroscopy reveals a strong absorption mode ce

Externí odkaz: http://arxiv.org/abs/1802.03199

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Melting the Superconducting State in the Electron Doped Cuprate Pr$_{1.85}% $Ce$_{0.15}$CuO$_{4-\delta}$ with Intense near-infrared and Terahertz Pulses

Autor: Beck, M., Klammer, M., Rousseau, I., Obergfell, M., Leiderer, P., Helm, M., Kabanov, V. V., Diamant, I., Rabinowicz, A., Dagan, Y., Demsar, J.

Publikováno v: Phys. Rev. B 95, 085106 (2017)

We studied the superconducting (SC) state depletion process in an electron doped cuprate Pr$_{1.85}$Ce$_{0.15}$CuO$_{4-\delta}$ by pumping with near-infrared (NIR) and narrow-band THz pulses. When pumping with THz pulses tuned just above the SC gap,

Externí odkaz: http://arxiv.org/abs/1603.04155

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Energy dependence of the electron-boson coupling strength in the electron-doped cuprate superconductor Pr1.85Ce0.15CuO4−δ

Autor: Beck, M., Klammer, M., Rousseau, I., Obergfell, M., Leiderer, P., Helm, M., Kabanov, V. V., Diamant, I., Rabinowicz, A., Dagan, Y., Demsar, J.

Publikováno v: Physical Review B 95(2017), 085106

The quest for a pairing boson in cuprate high-temperature superconductors is one of the outstanding Tasks of solid-state physics. Numerous time-resolved studies of pair breaking, related to pairing by time-reversal symmetry, have been performed using

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::c2e8d6e0980d80bd7989efcd0eb9c725
https://www.hzdr.de/publications/Publ-25089-1

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Melting the Superconducting State in the Electron Doped Cuprate Pr$_{1.85}% $Ce$_{0.15}$CuO$_{4-��}$ with Intense near-infrared and Terahertz Pulses

Autor: Beck, M., Klammer, M., Rousseau, I., Obergfell, M., Leiderer, P., Helm, M., Kabanov, V. V., Diamant, I., Rabinowicz, A., Dagan, Y., Demsar, J.

We studied the superconducting (SC) state depletion process in an electron doped cuprate Pr$_{1.85}$Ce$_{0.15}$CuO$_{4-��}$ by pumping with near-infrared (NIR) and narrow-band THz pulses. When pumping with THz pulses tuned just above the SC gap,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::32a0cab039deb7a320411baa4ccb81c8

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Ultrafast dynamics in CeTe3 near the pressure-induced charge-density-wave transition

Autor: Tauch, J., Schäfer, H., Obergfell, M., Demsar, J., Giraldo, P., Fisher, I. R., Pashkin, A.

Publikováno v: DPG Spring Meeting 2015 (Berlin), 16.-20.03.2015, Berlin, Germany

Femtosecond pump-probe spectroscopy is an efficient tool for studying ultrafast dynamics in strongly correlated electronic systems, in particular, compounds with a charge-density-wave (CDW) order. Application of external pressure often leads to a sup

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::e7d93d177082363b810268e6af93070b
https://www.hzdr.de/publications/Publ-22866-1

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Ultrafast dynamics in the charge-density-wave material CeTe3 across the pressure-induced phase transition

Autor: Tauch, J., Schäfer, H., Obergfell, M., Demsar, J., Giraldo, P., Fisher, I. R., Pashkin, A.

Publikováno v: Joint AIRAPT-25th & EHPRG-53rd International Conference on High Pressure Science and Technology, 30.08.-04.09.2015, Madrid, Spain

Time-resolved optical spectroscopy is a powerful tool for studying ultrafast dynamics of quasiparticles and phonons in strongly correlated electronic systems. In particular, this technique has been efficiently utilized for investigation of charge-den

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::051885ddd73e434f3051dd5b503a077b
https://www.hzdr.de/publications/Publ-22867-1

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Ultrafast dynamics in CeTe3 across the pressure-induced charge-density-wave transition

Autor: Tauch, J., Schäfer, H., Obergfell, M., Demsar, J., Giraldo, P., Fisher, I. R., Pashkin, A.

Publikováno v: Pressure and Strain Effects in Correlated Electron Materials, 06.-10.10.2014, Dresden, Germany

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::7a94213125b21edaa806ee9bb417d63c
https://www.hzdr.de/publications/Publ-21206-1

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