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Showing 13 to 24 of 269 entries
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Exact nondipole Kramers-Henneberger form of the light-atom hamiltonian: an application to atomic stabilization and photoelectron energy spectra.

Physical review letters

Førre M, Selstø S, Hansen JP, Madsen LB.
PMID: 16090806
Phys Rev Lett. 2005 Jul 22;95(4):043601. doi: 10.1103/PhysRevLett.95.043601. Epub 2005 Jul 21.

The exact nondipole minimal-coupling Hamiltonian for an atom interacting with an explicitly time- and space-dependent laser field is transformed into the rest frame of a classical free electron in the laser field, i.e., into the Kramers-Henneberger frame. The new...

Polarization effects in attosecond photoelectron spectroscopy.

Physical review letters

Baggesen JC, Madsen LB.
PMID: 20366710
Phys Rev Lett. 2010 Jan 29;104(4):043602. doi: 10.1103/PhysRevLett.104.043602. Epub 2010 Jan 28.

We study the influence of polarization effects in streaking by combined atto- and femtosecond pulses. The polarization-induced terms alter the streaking spectrum. The conventional streaking spectrum, which maps to the vector potential of the femtosecond pulse, is modified by...

Electron-nuclear energy sharing in above-threshold multiphoton dissociative ionization of H2.

Physical review letters

Wu J, Kunitski M, Pitzer M, Trinter F, Schmidt LP, Jahnke T, Magrakvelidze M, Madsen CB, Madsen LB, Thumm U, Dörner R.
PMID: 23889391
Phys Rev Lett. 2013 Jul 12;111(2):023002. doi: 10.1103/PhysRevLett.111.023002. Epub 2013 Jul 09.

We report experimental observation of the energy sharing between electron and nuclei in above-threshold multiphoton dissociative ionization of H2 by strong laser fields. The absorbed photon energy is shared between the ejected electron and nuclei in a correlated fashion,...

Cation/anion associations in ionic liquids modulated by hydration and ionic medium.

The journal of physical chemistry. B

Hou J, Zhang Z, Madsen LA.
PMID: 21462942
J Phys Chem B. 2011 Apr 28;115(16):4576-82. doi: 10.1021/jp1110899. Epub 2011 Apr 04.

In order to understand the unique solvation and conduction properties of ionic liquids (ILs), we explore their interionic associations modulated by hydration level and ionic medium. Pulsed-field-gradient NMR allows sensitive measurement of separate cation and anion diffusion coefficients, which...

Observation of separate cation and anion electrophoretic mobilities in pure ionic liquids.

The Journal of chemical physics

Zhang Z, Madsen LA.
PMID: 24588161
J Chem Phys. 2014 Feb 28;140(8):084204. doi: 10.1063/1.4865834.

Ionic liquids (ILs) continue to show relevance in many fields, from battery electrolytes, to carbon capture, to advanced separations. These highly ion-dense fluids present unique challenges in understanding their electrochemical properties due to deviations in behavior from existing electrolyte...

The supervision genogram: A tool for preparing supervisors-in-training.

Psychotherapy (Chicago, Ill.)

Aten JD, Madson MB, Kruse SJ.
PMID: 22122369
Psychotherapy (Chic). 2008 Mar;45(1):111-6. doi: 10.1037/0033-3204.45.1.111.

The purpose of this article is to introduce the supervision genogram as a training tool that can be implemented in supervisor training. The supervision genogram is a unique training tool that may be used to enhance supervisors'-in-training self-awareness and...

Nondestructive Profilometry of Optical Nanofibers.

Nano letters

Madsen LS, Baker C, Rubinsztein-Dunlop H, Bowen WP.
PMID: 27960530
Nano Lett. 2016 Dec 14;16(12):7333-7337. doi: 10.1021/acs.nanolett.6b02460. Epub 2016 Nov 21.

Single-mode optical nanofibers are a central component of a broad range of applications and emerging technologies. Their fabrication has been extensively studied over the past decade, but imaging of the final submicrometer products has been restricted to destructive or...

Evaluating the Validity of the Client Evaluation of Motivational Interviewing Scale in a Brief Motivational Intervention for College Student Drinkers.

Journal of substance abuse treatment

Madson MB, Villarosa MC, Schumacher JA, Mohn RS.
PMID: 26935329
J Subst Abuse Treat. 2016 Jun;65:51-7. doi: 10.1016/j.jsat.2016.02.001. Epub 2016 Feb 10.

The Client Evaluation of Motivational Interviewing scale (CEMI) is a measure for assessing client perceptions of clinicians' use of motivational interviewing (MI). This study explored the factorial, convergent and predictive validity of the CEMI with a sample of 137...

Measurement and laser control of attosecond charge migration in ionized iodoacetylene.

Science (New York, N.Y.)

Kraus PM, Mignolet B, Baykusheva D, Rupenyan A, Horný L, Penka EF, Grassi G, Tolstikhin OI, Schneider J, Jensen F, Madsen LB, Bandrauk AD, Remacle F, Wörner HJ.
PMID: 26494175
Science. 2015 Nov 13;350(6262):790-5. doi: 10.1126/science.aab2160. Epub 2015 Oct 22.

The ultrafast motion of electrons and holes after light-matter interaction is fundamental to a broad range of chemical and biophysical processes. We advanced high-harmonic spectroscopy to resolve spatially and temporally the migration of an electron hole immediately after ionization...

Probing Intermolecular Vibrational Symmetry Breaking in Self-Assembled Monolayers with Ultrahigh Vacuum Tip-Enhanced Raman Spectroscopy.

Journal of the American Chemical Society

Chiang N, Jiang N, Madison LR, Pozzi EA, Wasielewski MR, Ratner MA, Hersam MC, Seideman T, Schatz GC, Van Duyne RP.
PMID: 29198112
J Am Chem Soc. 2017 Dec 27;139(51):18664-18669. doi: 10.1021/jacs.7b10645. Epub 2017 Dec 12.

Ultrahigh vacuum tip-enhanced Raman spectroscopy (UHV-TERS) combines the atomic-scale imaging capability of scanning probe microscopy with the single-molecule chemical sensitivity and structural specificity of surface-enhanced Raman spectroscopy. Here, we use these techniques in combination with theory to reveal insights...

Photoinduced Plasmon-Driven Chemistry in trans-1,2-Bis(4-pyridyl)ethylene Gold Nanosphere Oligomers.

Journal of the American Chemical Society

Sprague-Klein EA, Negru B, Madison LR, Coste SC, Rugg BK, Felts AM, McAnally MO, Banik M, Apkarian VA, Wasielewski MR, Ratner MA, Seideman T, Schatz GC, Van Duyne RP.
PMID: 30071734
J Am Chem Soc. 2018 Aug 22;140(33):10583-10592. doi: 10.1021/jacs.8b06347. Epub 2018 Aug 14.

Continuous wave (CW) pump-probe surface-enhanced Raman spectroscopy (SERS) is used to examine a range of plasmon-driven chemical behavior in the molecular SERS signal of trans-1,2-bis(4-pyridyl)ethylene (BPE) adsorbed on individual Au nanosphere oligomers (viz., dimers, trimers, tetramers, etc.). Well-defined new...

Instruments That Predict Oncology Treatment Risk in the Senior Population.

Journal of the advanced practitioner in oncology

Schiefen JK, Madsen LT, Dains JE.
PMID: 30079269
J Adv Pract Oncol. 2017 Jul-Aug;8(5):528-533. Epub 2017 Jul 01.

No abstract available.

Showing 13 to 24 of 269 entries