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Showing 1 to 12 of 25 entries
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Neutralization of slow multicharged ions at a clean gold surface: Electron-emission statistics.

Physical review. A, Atomic, molecular, and optical physics

Aumayr F, Kurz H, Lemell C, Töglhofer K, Winter H.
PMID: 9909840
Phys Rev A. 1993 Sep;48(3):2192-2197. doi: 10.1103/physreva.48.2192.

No abstract available.

Image acceleration of highly charged ions by metal surfaces.

Physical review. A, Atomic, molecular, and optical physics

Aumayr F, Burgdörfer J, Lemell C, Meyer F, Winter HP.
PMID: 9912961
Phys Rev A. 1996 Feb;53(2):880-885. doi: 10.1103/physreva.53.880.

No abstract available.

E6AP Promotes a Metastatic Phenotype in Prostate Cancer.

iScience

Gamell C, Bandilovska I, Gulati T, Kogan A, Lim SC, Kovacevic Z, Takano EA, Timpone C, Agupitan AD, Litchfield C, Blandino G, Horvath LG, Fox SB, Williams SG, Russo A, Gallo E, Paul PJ, Mitchell C, Sandhu S, Keam SP, Haupt S, Richardson DR, Haupt Y.
PMID: 31739170
iScience. 2019 Dec 20;22:1-15. doi: 10.1016/j.isci.2019.10.065. Epub 2019 Nov 02.

Although primary prostate cancer is largely curable, progression to metastatic disease is associated with very poor prognosis. E6AP is an E3 ubiquitin ligase and a transcriptional co-factor involved in normal prostate development. E6AP drives prostate cancer when overexpressed. Our...

Two-Color Coherent Control of Femtosecond Above-Threshold Photoemission from a Tungsten Nanotip.

Physical review letters

Förster M, Paschen T, Krüger M, Lemell C, Wachter G, Libisch F, Madlener T, Burgdörfer J, Hommelhoff P.
PMID: 27911540
Phys Rev Lett. 2016 Nov 18;117(21):217601. doi: 10.1103/PhysRevLett.117.217601. Epub 2016 Nov 14.

We demonstrate coherent control of multiphoton and above-threshold photoemission from a single solid-state nanoemitter driven by a fundamental and a weak second harmonic laser pulse. Depending on the relative phase of the two pulses, electron emission is modulated with...

High visibility in two-color above-threshold photoemission from tungsten nanotips in a coherent control scheme.

Journal of modern optics

Paschen T, Förster M, Krüger M, Lemell C, Wachter G, Libisch F, Madlener T, Burgdörfer J, Hommelhoff P.
PMID: 28814822
J Mod Opt. 2017 Jun 17;64(10):1054-1060. doi: 10.1080/09500340.2017.1281453. Epub 2017 Jan 29.

In this article, we present coherent control of above-threshold photoemission from a tungsten nanotip achieving nearly perfect modulation. Depending on the pulse delay between fundamental ([Formula: see text]) and second harmonic ([Formula: see text]) pulses of a femtosecond fiber...

Energy of the .

Nature

Seiferle B, von der Wense L, Bilous PV, Amersdorffer I, Lemell C, Libisch F, Stellmer S, Schumm T, Düllmann CE, Pálffy A, Thirolf PG.
PMID: 31511684
Nature. 2019 Sep;573(7773):243-246. doi: 10.1038/s41586-019-1533-4. Epub 2019 Sep 11.

Owing to its low excitation energy and long radiative lifetime, the first excited isomeric state of thorium-229,

Enhanced epigenetic profiling of classical human monocytes reveals a specific signature of healthy aging in the DNA methylome.

Nature aging

Shchukina I, Bagaitkar J, Shpynov O, Loginicheva E, Porter S, Mogilenko DA, Wolin E, Collins P, Demidov G, Artomov M, Zaitsev K, Sidorov S, Camell C, Bambouskova M, Arthur L, Swain A, Panteleeva A, Dievskii A, Kurbatsky E, Tsurinov P, Chernyatchik R, Dixit VD, Jovanovic M, Stewart SA, Daly MJ, Dmitriev S, Oltz EM, Artyomov MN.
PMID: 34796338
Nat Aging. 2021 Jan;1(1):124-141. doi: 10.1038/s43587-020-00002-6. Epub 2020 Nov 23.

The impact of healthy aging on molecular programming of immune cells is poorly understood. Here, we report comprehensive characterization of healthy aging in human classical monocytes, with a focus on epigenomic, transcriptomic, and proteomic alterations, as well as the...

Electron emission from metal surfaces by ultrashort pulses: determination of the carrier-envelope phase.

Physical review letters

Lemell C, Tong XM, Krausz F, Burgdörfer J.
PMID: 12633255
Phys Rev Lett. 2003 Feb 21;90(7):076403. doi: 10.1103/PhysRevLett.90.076403. Epub 2003 Feb 21.

The phase varphi of the field oscillations with respect to the peak of a laser pulse influences the light field evolution as the pulse length becomes comparable to the wave cycle and, hence, affects the interaction of intense few-cycle...

Observation of light-phase-sensitive photoemission from a metal.

Physical review letters

Apolonski A, Dombi P, Paulus GG, Kakehata M, Holzwarth R, Udem T, Lemell Ch, Torizuka K, Burgdörfer J, Hänsch TW, Krausz F.
PMID: 14995852
Phys Rev Lett. 2004 Feb 20;92(7):073902. doi: 10.1103/PhysRevLett.92.073902. Epub 2004 Feb 19.

We demonstrate that multiphoton-induced photoelectron emission from a gold surface caused by low-energy (unamplified) 4-fs, 750-nm laser pulses is sensitive to the timing of electric field oscillations with respect to the pulse peak. This observation confirms recent theoretical predictions...

Ab initio simulation of electrical currents induced by ultrafast laser excitation of dielectric materials.

Physical review letters

Wachter G, Lemell C, Burgdörfer J, Sato SA, Tong XM, Yabana K.
PMID: 25192124
Phys Rev Lett. 2014 Aug 22;113(8):087401. doi: 10.1103/PhysRevLett.113.087401. Epub 2014 Aug 18.

We theoretically investigate the generation of ultrafast currents in insulators induced by strong few-cycle laser pulses. Ab initio simulations based on time-dependent density functional theory give insight into the atomic-scale properties of the induced current signifying a femtosecond-scale insulator-metal...

Direct observation of electron propagation and dielectric screening on the atomic length scale.

Nature

Neppl S, Ernstorfer R, Cavalieri AL, Lemell C, Wachter G, Magerl E, Bothschafter EM, Jobst M, Hofstetter M, Kleineberg U, Barth JV, Menzel D, Burgdörfer J, Feulner P, Krausz F, Kienberger R.
PMID: 25592539
Nature. 2015 Jan 15;517(7534):342-6. doi: 10.1038/nature14094.

The propagation and transport of electrons in crystals is a fundamental process pertaining to the functioning of most electronic devices. Microscopic theories describe this phenomenon as being based on the motion of Bloch wave packets. These wave packets are...

Coherent electronic wave packet motion in C(60) controlled by the waveform and polarization of few-cycle laser fields.

Physical review letters

Li H, Mignolet B, Wachter G, Skruszewicz S, Zherebtsov S, Süssmann F, Kessel A, Trushin SA, Kling NG, Kübel M, Ahn B, Kim D, Ben-Itzhak I, Cocke CL, Fennel T, Tiggesbäumker J, Meiwes-Broer KH, Lemell C, Burgdörfer J, Levine RD, Remacle F, Kling MF.
PMID: 25860740
Phys Rev Lett. 2015 Mar 27;114(12):123004. doi: 10.1103/PhysRevLett.114.123004. Epub 2015 Mar 27.

Strong laser fields can be used to trigger an ultrafast molecular response that involves electronic excitation and ionization dynamics. Here, we report on the experimental control of the spatial localization of the electronic excitation in the C_{60} fullerene exerted...

Showing 1 to 12 of 25 entries