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Showing 1 to 12 of 33 entries
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Phase Shift in an Atom Interferometer due to Spacetime Curvature across its Wave Function.

Physical review letters

Asenbaum P, Overstreet C, Kovachy T, Brown DD, Hogan JM, Kasevich MA.
PMID: 28524681
Phys Rev Lett. 2017 May 05;118(18):183602. doi: 10.1103/PhysRevLett.118.183602. Epub 2017 May 01.

Spacetime curvature induces tidal forces on the wave function of a single quantum system. Using a dual light-pulse atom interferometer, we measure a phase shift associated with such tidal forces. The macroscopic spatial superposition state in each interferometer (extending...

Coherence in the presence of absorption and heating in a molecule interferometer.

Nature communications

Cotter JP, Eibenberger S, Mairhofer L, Cheng X, Asenbaum P, Arndt M, Walter K, Nimmrichter S, Hornberger K.
PMID: 26066053
Nat Commun. 2015 Jun 11;6:7336. doi: 10.1038/ncomms8336.

Matter-wave interferometry can be used to probe the foundations of physics and to enable precise measurements of particle properties and fundamental constants. It relies on beam splitters that coherently divide the wave function. In atom interferometers, such elements are...

40  W, 780  nm laser system with compensated dual beam splitters for atom interferometry.

Optics letters

Kim M, Notermans R, Overstreet C, Curti J, Asenbaum P, Kasevich MA.
PMID: 33258860
Opt Lett. 2020 Dec 01;45(23):6555-6558. doi: 10.1364/OL.404430.

We demonstrate a narrow-linewidth 780 nm laser system with up to 40

Sublingual microcirculation predicts survival after out-of-hospital cardiac arrest.

Microcirculation (New York, N.Y. : 1994)

Voß F, Karbenn M, Hoffmann T, Schweitzer J, Jung C, Bernhard M, Kienbaum P, Kelm M, Westenfeld R.
PMID: 34564926
Microcirculation. 2021 Nov;28(8):e12729. doi: 10.1111/micc.12729. Epub 2021 Oct 26.

BACKGROUND: Despite successful resuscitation with return of spontaneous circulation (ROSC), the prediction of survival in patients suffering out-of-hospital cardiac arrest (OHCA) remains difficult. Several studies have shown alterations in sublingual microcirculation in the critical ill. We hypothesized that early...

[Contra: liberalization of fluid fasting before elective surgery? : If nothing goes wrong is everything all right?].

Der Anaesthesist

Kienbaum P, Pannen B.
PMID: 34698893
Anaesthesist. 2021 Oct 26; doi: 10.1007/s00101-021-01059-7. Epub 2021 Oct 26.

No abstract available.

Prevention of lysosomal storage diseases and derivation of mutant stem cell lines by preimplantation genetic diagnosis.

Molecular biology international

Altarescu G, Beeri R, Eiges R, Epsztejn-Litman S, Eldar-Geva T, Elstein D, Zimran A, Margalioth EJ, Levy-Lahad E, Renbaum P.
PMID: 23320174
Mol Biol Int. 2012;2012:797342. doi: 10.1155/2012/797342. Epub 2012 Dec 26.

Preimplantation genetic diagnosis (PGD) allows birth of unaffected children for couples at risk for a genetic disorder. We present the strategy and outcome of PGD for four lysosomal storage disorders (LSD): Tay-Sachs disease (TSD), Gaucher disease (GD), Fabry disease...

Cavity cooling of free silicon nanoparticles in high vacuum.

Nature communications

Asenbaum P, Kuhn S, Nimmrichter S, Sezer U, Arndt M.
PMID: 24193438
Nat Commun. 2013;4:2743. doi: 10.1038/ncomms3743.

Laser cooling has given a boost to atomic physics throughout the last 30 years, as it allows one to prepare atoms in motional states, which can only be described by quantum mechanics. Most methods rely, however, on a near-resonant...

Environmental correlates for tree occurrences, species distribution and richness on a high-elevation tropical island.

AoB PLANTS

Birnbaum P, Ibanez T, Pouteau R, Vandrot H, Hequet V, Blanchard E, Jaffré T.
PMID: 26162898
AoB Plants. 2015 Jul 10;7. doi: 10.1093/aobpla/plv075.

High-elevation tropical islands are ideally suited for examining the factors that determine species distribution, given the complex topographies and climatic gradients that create a wide variety of habitats within relatively small areas. New Caledonia, a megadiverse Pacific archipelago, has...

Peridural Anesthesia and Cancer-Related Survival after Surgery for Pancreatic Cancer-A Retrospective Cohort Study.

Clinics and practice

Alexander A, Lehwald-Tywuschik N, Rehders A, Rabenalt S, Verde PE, Eisenberger CF, Picker N, Knoefel WT, Kienbaum P.
PMID: 34449573
Clin Pract. 2021 Aug 18;11(3):532-542. doi: 10.3390/clinpract11030070.

BACKGROUND: In patients with prostatic and breast cancer the application of peridural anesthesia (PDA) showed a beneficial effect on prognosis. This was explained by reduced requirements for general anesthetics and perioperative opioids as well as a lower perioperative stress...

Silicon microcavity arrays with open access and a finesse of half a million.

Light, science & applications

Wachter G, Kuhn S, Minniberger S, Salter C, Asenbaum P, Millen J, Schneider M, Schalko J, Schmid U, Felgner A, Hüser D, Arndt M, Trupke M.
PMID: 30992987
Light Sci Appl. 2019 Apr 10;8:37. doi: 10.1038/s41377-019-0145-y. eCollection 2019.

Optical resonators are essential for fundamental science, applications in sensing and metrology, particle cooling, and quantum information processing. Cavities can significantly enhance interactions between light and matter. For many applications they perform this task best if the mode confinement...

Observation of a gravitational Aharonov-Bohm effect.

Science (New York, N.Y.)

Overstreet C, Asenbaum P, Curti J, Kim M, Kasevich MA.
PMID: 35025635
Science. 2022 Jan 14;375(6577):226-229. doi: 10.1126/science.abl7152. Epub 2022 Jan 13.

[Figure: see text].

Cavity stabilization using the weak intrinsic birefringence of dielectric mirrors.

Optics letters

Asenbaum P, Arndt M.
PMID: 21964075
Opt Lett. 2011 Oct 01;36(19):3720-2. doi: 10.1364/OL.36.003720.

We demonstrate a universal cavity stabilization scheme that exploits the intrinsic birefringence of dielectric multilayer mirrors. Homodyne locking using weak mirror birefringence of even an empty Fabry-Perot-type cavity requires neither frequency modulation nor mixing and allows us to generate...

Showing 1 to 12 of 33 entries