Zobrazeno 1 - 10
of 676
pro vyhledávání: '"Chollet M."'
Autor:
Mangu, A., Stoica, V. A., Zheng, H., Yang, T., Zhang, M., Wang, H., Nguyen, Q. L., Song, S., Das, S., Meisenheimer, P., Donoway, E., Chollet, M., Sun, Y., Turner, J. J., Freeland, J. W., Wen, H., Martin, L. W., Chen, L. -Q., Gopalan, V., Zhu, D., Cao, Y., Lindenberg, A. M.
A central paradigm of non-equilibrium physics concerns the dynamics of heterogeneity and disorder, impacting processes ranging from the behavior of glasses to the emergent functionality of active matter. Understanding these complex mesoscopic systems
Externí odkaz:
http://arxiv.org/abs/2402.04962
Autor:
Bellec, E., Ghoneim, D., Gallo, A., Jacques, V. L. R., Gonzalez-Vallejo, I., Ortega, L., Chollet, M., Sinchenko, A., Bolloc'h, D. Le
Ultrafast X-ray diffraction by the LCLS free-electron laser has been used to probe Charge Density Wave (CDW) systems under applied external currents. At sufficiently low currents, CDW wavefronts bend in the direction transverse to the 2k$_F$ wave vec
Externí odkaz:
http://arxiv.org/abs/2309.09899
Autor:
Krapivin, Viktor, Gu, Mingqiang, Hickox-Young, D., Teitelbaum, S. W., Huang, Y., de la Peña, G., Zhu, D., Sirica, N., Lee, M. -C., Prasankumar, R. P., Maznev, A., Nelson, K. A., Chollet, M., Rondinelli, James M., Reis, D. A., Trigo, M.
Publikováno v:
Phys. Rev. Lett. 129, 127601 (2022)
We use an x-ray free-electron laser to study the ultrafast lattice dynamics following above band-gap photoexcitation of the incipient ferroelectric potassium-tantalate, \kto. % We use ultrafast near-UV (central wavelength 266\,nm and 50 fs pulse dura
Externí odkaz:
http://arxiv.org/abs/2201.10769
Enhanced charge density wave with mobile superconducting vortices in La$_{1.885}$Sr$_{0.115}$CuO$_4$
Autor:
Wen, J. -J., He, W., Jang, H., Nojiri, H., Matsuzawa, S., Song, S., Chollet, M., Zhu, D., Liu, Y. -J., Fujita, M., Jiang, J. M., Rotundu, C. R., Kao, C. -C., Jiang, H. -C., Lee, J. -S., Lee, Y. S.
Superconductivity in the cuprates is found to be intertwined with charge and spin density waves. Determining the interactions between the different types of order is crucial for understanding these important materials. Here, we elucidate the role of
Externí odkaz:
http://arxiv.org/abs/2111.06422
Autor:
Jiang, M. P., Trigo, M., Fahy, S., Hauber, A., Murray, É. D., Savić, I, Bray, C., Clark, J. N., Henighan, T., Kozina, M., Chollet, M., Glownia, J. M., Hoffmann, M. C., Zhu, D., Delaire, O., May, A. F., Sales, B. C., Lindenberg, A. M., Zalden, P., Sato, T., Merlin, R., Reis, D. A.
We report the observation of photo-induced plasmon-phonon coupled modes in the group IV-VI semiconductor PbTe using Fourier-transform inelastic X-ray scattering at the Linac Coherent Light Source (LCLS). We measure the near-zone-center dispersion of
Externí odkaz:
http://arxiv.org/abs/2109.01301
Autor:
Trigo, M., Giraldo-Gallo, P., Clark, J. N., Kozina, M. E., Henighan, T., Jiang, M. P., Chollet, M., Fisher, I. R., Glownia, J. M., Katayama, T., Kirchmann, P. S., Leuenberger, D., Liu, H., Reis, D. A., Shen, Z. X., Zhu, D.
Publikováno v:
Phys. Rev. B 103, 054109 (2021)
We study ultrafast x-ray diffraction on the charge density wave (CDW) of SmTe$_3$ using an x-ray free electron laser. The CDW peaks show that photoexcitation with near-infrared pump centered at 800 nm generates domain walls of the order parameter pro
Externí odkaz:
http://arxiv.org/abs/2006.08879
X-ray Absorption Spectroscopy (XAS) is a widely used X-ray diagnostic method. While synchrotrons have large communities of XAS users, its use on X-Ray Free Electron Lasers (XFEL) facilities has been rather limited. At a first glance, the relatively n
Externí odkaz:
http://arxiv.org/abs/2005.01572
Autor:
Meyer zu Heringdorf F., Payer T., Meyer S., Becker T., Larsson J., Gaffney K.J., Fuchs M., Trigo M., Ghimire S., Chen J., Reis D.A., Lemke H., Chollet M., Zhu D., Barty A., Fritz D.M., Lindenberg A.M., Quirin F., Nicoul M., Horn von Hoegen M., Jerman M., Sokolowski-Tinten K.
Publikováno v:
EPJ Web of Conferences, Vol 41, p 04013 (2013)
Time-resolved diffuse X-ray scattering with 50 fs, 9.5 keV X-ray pulses from the Linear Coherent Light Source was used to study the structural dynamics in materials undergoing rapid melting and ablation after fs laser excitation.
Externí odkaz:
https://doaj.org/article/ef60d45f423145ccb3e51468cf619b0d
Akademický článek
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Autor:
Trigo, M., Giraldo-Gallo, P., Kozina, M. E., Henighan, T., Jiang, M. P., Liu, H., Clark, J. N., Chollet, M., Glownia, J. M., Zhu, D., Katayama, T., Leuenberger, D., Kirchmann, P. S., Fisher, I. R., Shen, Z. X., Reis, D. A.
Publikováno v:
Phys. Rev. B 99, 104111 (2019)
We present a combined ultrafast optical pump-probe and ultrafast x-ray diffraction measurement of the CDW dynamics in SmTe$_3$ at 300 K. The ultrafast x-ray diffraction measurements, taken at the Linac Coherent Light Source reveal a $\sim 1.55$ THz m
Externí odkaz:
http://arxiv.org/abs/1809.09799