Zobrazeno 1 - 10
of 510
pro vyhledávání: '"Neumark, DM"'
Publikováno v:
Physical Review B, vol 103, iss 24
Nonlinear wave mixing in solids with ultrafast x-rays can provide insight into complex electronic dynamics of materials. Here, tabletop-based attosecond noncollinear four-wave mixing (FWM) spectroscopy using one extreme ultraviolet (XUV) pulse from h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::59057ae7b5011b5fd7854d17fd6152f2
https://escholarship.org/uc/item/2v44q1c5
https://escholarship.org/uc/item/2v44q1c5
Publikováno v:
Physical Review A, vol 101, iss 6
Ultrafast laser excitation can trigger complex coherent dynamics in molecules. Here, we report attosecond transient-absorption experiments addressing simultaneous probing of electronic and vibrational dynamics in a prototype molecule, deuterium bromi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______325::d07f06cb80327c1a99dd0ec650f62778
https://escholarship.org/uc/item/1x48q55f
https://escholarship.org/uc/item/1x48q55f
Autor:
Kaplan, CJ, Kraus, PM, Gullikson, EM, Borja, LJ, Cushing, SK, Zürch, M, Chang, HT, Neumark, DM, Leone, SR
Publikováno v:
Journal of the Optical Society of America B: Optical Physics, vol 36, iss 6
The complex-valued index of refraction of germanium in the extreme ultraviolet (XUV) is measured by multiangle reflectance of synchrotron radiation. The resulting index of refraction is higher resolution than previously measured values. It reveals ne
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______325::951116ed2794fafa96ce399e44b8c71f
https://escholarship.org/uc/item/4w2271bj
https://escholarship.org/uc/item/4w2271bj
Publikováno v:
Physical Review A, vol 97, iss 2
Cao, W; Warrick, ER; Fidler, A; Leone, SR; & Neumark, DM. (2018). Excited-state vibronic wave-packet dynamics in H2 probed by XUV transient four-wave mixing. Physical Review A, 97(2). doi: 10.1103/PhysRevA.97.023401. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/97k4z9zj
Cao, W; Warrick, ER; Fidler, A; Leone, SR; & Neumark, DM. (2018). Excited-state vibronic wave-packet dynamics in H2 probed by XUV transient four-wave mixing. Physical Review A, 97(2). doi: 10.1103/PhysRevA.97.023401. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/97k4z9zj
© 2018 American Physical Society. The complex behavior of a molecular wave packet initiated by an extreme ultraviolet (XUV) pulse is investigated with noncollinear wave mixing spectroscopy. A broadband XUV pulse spanning 12-16 eV launches a wave pac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::6745ea1bdf38a99a2cca1cd94c96c531
https://escholarship.org/uc/item/97k4z9zj
https://escholarship.org/uc/item/97k4z9zj
Electronic coherences are observed in silicon by attosecond transient absorption spectroscopy. Various sub-4 fs oscillations across the conduction band reveal complex couplings between valence-conduction and conduction-conduction bands indicating pat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::3b7dd67c4031d787efee97c23eb80525
https://escholarship.org/uc/item/6qs9x2wk
https://escholarship.org/uc/item/6qs9x2wk
Autor:
Zürch, M, Chang, HT, Borja, LJ, Kraus, PM, Cushing, SK, Gandman, A, Kaplan, CJ, Oh, MH, Prell, JS, Prendergast, D, Pemmaraju, CD, Neumark, DM, Leone, SR
Attosecond transient absorption spectroscopy at the M4,5-edge of Ge following ultrafast photoexcitation reveals valley-resolved hot electron and hole relaxation, carrier recombination and trapping in Ge and Si-Ge alloy in unprecedented clarity and si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::68c7c06ea4608d57b756cb622f533ccc
https://escholarship.org/uc/item/5bx3p90s
https://escholarship.org/uc/item/5bx3p90s
Autor:
Jager, MF, Ott, C, Kraus, PM, Kaplan, CJ, Pouse, W, Marvel, RE, Haglund, RF, Neumark, DM, Leone, SR
Publikováno v:
Jager, MF; Ott, C; Kraus, PM; Kaplan, CJ; Pouse, W; Marvel, RE; et al.(2017). Tracking the insulator-to-metal phase transition in VO2with few-femtosecond extreme UV transient absorption spectroscopy. Proceedings of the National Academy of Sciences of the United States of America, 114(36), 9558-9563. doi: 10.1073/pnas.1707602114. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/9fw337nr
© 2017, National Academy of Sciences. All rights reserved. Coulomb correlations can manifest in exotic properties in solids, but how these properties can be accessed and ultimately manipulated in real time is not well understood. The insulator-to-me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______325::721ecf31fb3104b3b980a329aae94a5b
http://www.escholarship.org/uc/item/9fw337nr
http://www.escholarship.org/uc/item/9fw337nr
Publikováno v:
Warrick, ER; Bækhøj, JE; Cao, W; Fidler, AP; Jensen, F; Madsen, LB; et al.(2017). Attosecond transient absorption spectroscopy of molecular nitrogen: Vibrational coherences in the b′1Σ+ustate. Chemical Physics Letters, 683, 408-415. doi: 10.1016/j.cplett.2017.02.013. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/5rt1h9vc
© 2017 Elsevier B.V. Nuclear and electronic dynamics in a wavepacket comprising bound Rydberg and valence electronic states of nitrogen from 12 to 15 eV are investigated using attosecond transient absorption. Vibrational quantum beats with a fundame
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______325::ee90daa21ba7611f9d785553ce3fce4b
http://www.escholarship.org/uc/item/5rt1h9vc
http://www.escholarship.org/uc/item/5rt1h9vc
Publikováno v:
Kobayashi, Y; Timmers, H; Sabbar, M; Leone, SR; & Neumark, DM. (2017). Attosecond transient-absorption dynamics of xenon core-excited states in a strong driving field. Physical Review A, 95(3). doi: 10.1103/PhysRevA.95.031401. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/7hp893jj
Physical Review A, vol 95, iss 3
Physical Review A, vol 95, iss 3
© 2017 American Physical Society. We present attosecond transient-absorption experiments on xenon 4d-16p core-level states resonantly driven by intense (1.6×1014W/cm2) few-cycle near-infrared laser pulses. In this strongly driven regime, broad indu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::42e2e28ca956cf29d876686a63f63a85
http://www.escholarship.org/uc/item/7hp893jj
http://www.escholarship.org/uc/item/7hp893jj
Autor:
Borja, LJ, Gandman, A, Zurch, M, Prell, JS, Pemmaraju, CD, Prendergast, D, Neumark, DM, Leone, SR
Publikováno v:
Borja, LJ; Gandman, A; Zurch, M; Prell, JS; Pemmaraju, CD; Prendergast, D; et al.(2016). Ultrafast transient absorption at the Germanium M4,5-edge to measure electron and hole dynamics. 2016 Conference on Lasers and Electro-Optics, CLEO 2016. UC Berkeley: Retrieved from: http://www.escholarship.org/uc/item/7148w6qm
© 2016 OSA. Extreme ultraviolet (XUV) transient absorption at the germanium M4,5-edge simultaneously measures electron and hole dynamics over 1.5 ps with few-femtosecond resolution. In the analysis, time-dependent density functional theory (TD-DFT)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______325::07ff1cc1827673ac24ee6967fa378c26
http://www.escholarship.org/uc/item/7148w6qm
http://www.escholarship.org/uc/item/7148w6qm