Search Results - "Ingold, G."

Probing the Casimir force with optical tweezers by Ether, D. S., Pires, L. B., Umrath, S., Martinez, D., Ayala, Y., Pontes, B., de S. Araújo, G. R., Frases, S., Ingold, G.-L., Rosa, F. S. S., Viana, N. B., Nussenzveig, H. M., Maia Neto, P. A.

“…We propose to use optical tweezers to probe the Casimir interaction between microspheres inside a liquid medium for geometric aspect ratios far beyond the…”
Get full text

Nonequilibrium charge-density-wave order beyond the thermal limit by Maklar, J., Windsor, Y. W., Nicholson, C. W., Puppin, M., Walmsley, P., Esposito, V., Porer, M., Rittmann, J., Leuenberger, D., Kubli, M., Savoini, M., Abreu, E., Johnson, S. L., Beaud, P., Ingold, G., Staub, U., Fisher, I. R., Ernstorfer, R., Wolf, M., Rettig, L.

“…The interaction of many-body systems with intense light pulses may lead to novel emergent phenomena far from equilibrium. Recent discoveries, such as the…”
Get full text

Femtosecond XANES Study of the Light-Induced Spin Crossover Dynamics in an Iron(II) Complex by Bressler, Ch, Milne, C., Pham, V.-T., ElNahhas, A., van der Veen, R. M., Gawelda, W., Johnson, S., Beaud, P., Grolimund, D., Kaiser, M., Borca, C. N., Ingold, G., Abela, R., Chergui, M.

“…X-ray absorption spectroscopy is a powerful probe of molecular structure, but it has previously been too slow to track the earliest dynamics after…”
Get full text

Coherent structural dynamics of a prototypical charge-density-wave-to-metal transition by Huber, T, Mariager, S O, Ferrer, A, Schäfer, H, Johnson, J A, Grübel, S, Lübcke, A, Huber, L, Kubacka, T, Dornes, C, Laulhe, C, Ravy, S, Ingold, G, Beaud, P, Demsar, J, Johnson, S L

“…Using femtosecond time-resolved x-ray diffraction, we directly monitor the coherent lattice dynamics through an ultrafast charge-density-wave-to-metal…”
Get full text

A time-dependent order parameter for ultrafast photoinduced phase transitions by Beaud, P., Caviezel, A., Mariager, S. O., Rettig, L., Ingold, G., Dornes, C., Huang, S-W., Johnson, J. A., Radovic, M., Huber, T., Kubacka, T., Ferrer, A., Lemke, H. T., Chollet, M., Zhu, D., Glownia, J. M., Sikorski, M., Robert, A., Wadati, H., Nakamura, M., Kawasaki, M., Tokura, Y., Johnson, S. L., Staub, U.

“…The temporal dynamics of phase transitions in strongly correlated states of matter are often dictated by the interplay between structural and electronic…”
Get full text

Strain wave pathway to semiconductor-to-metal transition revealed by time-resolved X-ray powder diffraction by Mariette, C., Lorenc, M., Cailleau, H., Collet, E., Guérin, L., Volte, A., Trzop, E., Bertoni, R., Dong, X., Lépine, B., Hernandez, O., Janod, E., Cario, L., Ta Phuoc, V., Ohkoshi, S., Tokoro, H., Patthey, L., Babic, A., Usov, I., Ozerov, D., Sala, L., Ebner, S., Böhler, P., Keller, A., Oggenfuss, A., Zmofing, T., Redford, S., Vetter, S., Follath, R., Juranic, P., Schreiber, A., Beaud, P., Esposito, V., Deng, Y., Ingold, G., Chergui, M., Mancini, G. F., Mankowsky, R., Svetina, C., Zerdane, S., Mozzanica, A., Bosak, A., Wulff, M., Levantino, M., Lemke, H., Cammarata, M.

“…One of the main challenges in ultrafast material science is to trigger phase transitions with short pulses of light. Here we show how strain waves, launched by…”
Get full text

Large-Amplitude Spin Dynamics Driven by a THz Pulse in Resonance with an Electromagnon by Kubacka, T., Johnson, J. A., Hoffmann, M. C., Vicario, C., de Jong, S., Beaud, P., Grübel, S., Huang, S.-W., Huber, L., Patthey, L., Chuang, Y.-D., Turner, J. J., Dakovski, G. L., Lee, W.-S., Minitti, M. P., Schlotter, W., Moore, R. G., Hauri, C. P., Koohpayeh, S. M., Scagnoli, V., Ingold, G., Johnson, S. L., Staub, U.

“…Multiferroics have attracted strong interest for potential applications where electric fields control magnetic order. The ultimate speed of control via…”
Get full text

Thermodynamic anomaly of the free damped quantum particle: the bath perspective by Ingold, G. -L.

“…A possible definition of the specific heat of open quantum systems is based on the reduced partition function of the system. For a free damped quantum…”
Get full text

Spatiotemporal stability of a femtosecond hard-x-ray undulator source studied by control of coherent optical phonons by Beaud, P, Johnson, S L, Streun, A, Abela, R, Abramsohn, D, Grolimund, D, Krasniqi, F, Schmidt, T, Schlott, V, Ingold, G

“…We report on the temporal and spatial stability of the first tunable femtosecond undulator hard-x-ray source for ultrafast diffraction and absorption…”
Get full text

Structural and magnetic dynamics of a laser induced phase transition in FeRh by Mariager, S O, Pressacco, F, Ingold, G, Caviezel, A, Möhr-Vorobeva, E, Beaud, P, Johnson, S L, Milne, C J, Mancini, E, Moyerman, S, Fullerton, E E, Feidenhans'l, R, Back, C H, Quitmann, C

“…We use time-resolved x-ray diffraction and magneto-optical Kerr effect to study the laser-induced antiferromagnetic to ferromagnetic phase transition in FeRh…”
Get full text

Femtosecond X-ray absorption study of electron localization in photoexcited anatase TiO2 by Santomauro, F. G., Lübcke, A., Rittmann, J., Baldini, E., Ferrer, A., Silatani, M., Zimmermann, P., Grübel, S., Johnson, J. A., Mariager, S. O., Beaud, P., Grolimund, D., Borca, C., Ingold, G., Johnson, S.L., Chergui, M.

“…Transition metal oxides are among the most promising solar materials, whose properties rely on the generation, transport and trapping of charge carriers…”
Get full text

Ultrafast structural phase transition driven by photoinduced melting of charge and orbital order by Beaud, P, Johnson, S L, Vorobeva, E, Staub, U, De Souza, R A, Milne, C J, Jia, Q X, Ingold, G

“…We use femtosecond x-ray diffraction to probe directly the structural dynamics of a charge ordered and orbitally ordered thin film of La0.42Ca0.58MnO3…”
Get full text

Nonthermal melting of a charge density wave in TiSe2 by Möhr-Vorobeva, E, Johnson, S L, Beaud, P, Staub, U, De Souza, R, Milne, C, Ingold, G, Demsar, J, Schaefer, H, Titov, A

“…We use time-resolved optical reflectivity and x-ray diffraction with femtosecond resolution to study the dynamics of the structural order parameter of the…”
Get full text

Femtosecond dynamics of the collinear-to-spiral antiferromagnetic phase transition in CuO by Johnson, S L, de Souza, R A, Staub, U, Beaud, P, Möhr-Vorobeva, E, Ingold, G, Caviezel, A, Scagnoli, V, Schlotter, W F, Turner, J J, Krupin, O, Lee, W-S, Chuang, Y-D, Patthey, L, Moore, R G, Lu, D, Yi, M, Kirchmann, P S, Trigo, M, Denes, P, Doering, D, Hussain, Z, Shen, Z-X, Prabhakaran, D, Boothroyd, A T

“…We report on the ultrafast dynamics of magnetic order in a single crystal of CuO at a temperature of 207 K in response to strong optical excitation using…”
Get full text

Nanoscale depth-resolved coherent femtosecond motion in laser-excited bismuth by Johnson, S L, Beaud, P, Milne, C J, Krasniqi, F S, Zijlstra, E S, Garcia, M E, Kaiser, M, Grolimund, D, Abela, R, Ingold, G

“…We employ grazing-incidence femtosecond x-ray diffraction to characterize the coherent, femtosecond laser-induced lattice motion of a bismuth crystal as a…”
Get full text

The incommensurate modulations of stoichiometric Ni2MnGa by Mariager, S.O., Huber, T., Ingold, G.

“…We use X-ray diffraction to confirm that the 5M phase of the stoichiometric Heusler alloy Ni2MnGa has an incommensurate modulation with wavevector…”
Get full text

Ultrafast Structural Dynamics of the Fe-Pnictide Parent Compound BaFe2As2 by Rettig, L, Mariager, S O, Ferrer, A, Grubel, S, Johnson, J A, Rittmann, J, Wolf, T, Johnson, S L, Ingold, G, Beaud, P, Staub, U

“…Using femtosecond time-resolved x-ray diffraction we investigate the structural dynamics of the coherently excited A1g phonon mode in the Fe-pnictide parent…”
Get full text

Directly observing squeezed phonon states with femtosecond x-ray diffraction by Johnson, S L, Beaud, P, Vorobeva, E, Milne, C J, Murray, E D, Fahy, S, Ingold, G

“…Squeezed states are quantum states of a harmonic oscillator in which the variance of two conjugate variables each oscillate out of phase. Ultrafast optical…”
Get full text

Direct observation of non-fully-symmetric coherent optical phonons by femtosecond x-ray diffraction by Johnson, S. L., Beaud, P., Möhr-Vorobeva, E., Caviezel, A., Ingold, G., Milne, C. J.

“…We directly measure by femtosecond time-resolved x-ray diffraction the E sub(g) symmetry coherent phonon excited in bismuth by a strong optical pulse. The…”
Get full text

Watching ultrafast responses of structure and magnetism in condensed matter with momentum-resolved probes by Johnson, S. L., Savoini, M., Beaud, P., Ingold, G., Staub, U., Carbone, F., Castiglioni, L., Hengsberger, M., Osterwalder, J.

“…We present a non-comprehensive review of some representative experimental studies in crystalline condensed matter systems where the effects of intense…”
Get full text