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Related papers: Data Analysis for Time-Resolved QENS Experiments i…

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It is generally assumed by most of the small-angle neutron scattering (SANS) user community that a neutrons energy is unchanged during SANS measurements. Here, the scattering from water, specifically light water, was measured on the EQ-SANS…

Instrumentation and Detectors · Physics 2019-04-10 Changwoo Do , William T. Heller , Christopher Stanley , Franz X. Gallmeier , Mathieu Doucet , Gregory S. Smith

We report a high energy-resolution neutron backscattering study, combined with in-situ diffraction, to investigate slow molecular motions on nanosecond time scales in the fluid phase of phospholipid bilayers of…

Biological Physics · Physics 2009-10-02 Maikel C. Rheinstadter , Jhuma Das , Elijah J. Flenner , Beate Bruening , Tilo Seydel , Ioan Kosztin

In this study, in situ quasi-elastic neutron scattering (QENS) has been employed to probe the water dynamics and reaction mechanisms occurring during the formation of NaOH- and Na2SiO3-activated slags, an important class of low-CO2 cements,…

Materials Science · Physics 2019-06-26 Kai Gong , Yongqiang Cheng , Luke L. Daemen , Claire E. White

We develop a large scale quantum master equation approach to describe dynamical processes of practical open quantum systems driven by both coherent and stochastic interactions by including more than one thousand true states of the systems,…

Atomic Physics · Physics 2016-02-22 Yongqiang Li , Cheng Gao , Wenpu Dong , Jiaolong Zeng , Jianmin Yuan

We report a dynamic light scattering study on protein suspensions of bovine lens homogenates at conditions (pH and ionic strength) similar to the physiological ones. Light scattering data were collected at two temperatures, 20 oC and 37 oC,…

Soft Condensed Matter · Physics 2009-11-13 A. Giannopoulou , A. J. Aletras , N. Pharmakakis , G. N. Papatheodorou , S. N. Yannopoulos

We previously derived a theorem about the {\em coherent} quasielastic neutron-scattering signal from a $d$-dimensional lattice of $N$ molecules that are undergoing rotational jump diffusion (around an $n$-fold axis), assuming that there are…

Materials Science · Physics 2009-11-07 G. Coddens

We investigate the quantum quench dynamics of the interacting Hatano-Nelson model with open boundary conditions using both abelian bosonization and numerical methods. Specifically, we follow the evolution of the particle density and current…

Strongly Correlated Electrons · Physics 2023-07-07 Balázs Dóra , Miklós Antal Werner , Cătălin Paşcu Moca

Strongly coupled dissipative optical cavities with nonlinear interactions give new opportunities to explore symmetry breaking phenomena and phase transitions, Josephson dynamics and quantum criticality. Among the different experimental…

The molecular mechanism of the solvent motion that is required to instigate the protein structural relaxation above a critical hydration level or transition temperature has yet to be determined. In this work we use quasi-elastic neutron…

Biomolecules · Quantitative Biology 2016-09-08 Daniela Russo , Greg Hura , Teresa Head-Gordon

Inelastic neutron scattering at high momentum transfers (i.e. $Q\ge20$ {\AA}) or DINS provides direct observation of the momentum distribution of light atoms, making it a powerful probe for studying single-particle motions in liquids and…

Instrumentation and Detectors · Physics 2016-09-21 S. O. Diallo , J. Y. Y. Lin , D. L. Abernathy , R. T. Azuah

The recent detection of gravitational waves from merging neutron star events has opened a new window on the many unknown aspects of their internal dynamics. A key role in this context is played by the transition from baryon to quark matter…

High Energy Physics - Phenomenology · Physics 2019-10-08 Abha Rajan , Tyler Gorda , Simonetta Liuti , Kent Yagi

We investigate by time-resolved Synchrotron ultra-small X-ray scattering the dynamics of liquid-liquid phase-separation (LLPS) of gluten protein suspensions following a temperature quench. Samples at a fixed concentration (237 mg/ml) but…

Soft Condensed Matter · Physics 2019-08-27 A. Banc , J. Pincemaille , S. Costanzo , E. Chauveau , M. s. Appavou , M. H. Morel , P. Menut , L. Ramos

Proteins typically undergo conformational dynamics on the microsecond to millisecond timescale as they perform their function, which is much faster than the time-resolution of cryo-electron microscopy and has thus prevented real-time…

Biological Physics · Physics 2021-07-07 Jonathan M. Voss , Oliver F. Harder , Pavel K. Olshin , Marcel Drabbels , Ulrich J. Lorenz

Long-term quantum coherence constitutes one of the main challenges when engineering quantum devices. However, easily accessible means to quantify complex decoherence mechanisms are not readily available, nor are sufficiently stable systems.…

Water is essential for the activity of proteins. However, the effect of the properties of water on the behavior of proteins is only partially understood. Recently, several experiments have investigated the relation between the dynamics of…

Biological Physics · Physics 2015-03-17 Giancarlo Franzese , Valentino Bianco , Svilen Iskrov

The ultrashort time-integrated diagnosis of ions plays a vital role in high energy density physics research. However, it is extremely challenging to measure in experiment. Here, we demonstrate a reliable approach for investigating the…

We present the first inelastic neutron scattering study of the short wavelength dynamics in a phospholipid bilayer. We show that inelastic neutron scattering using a triple-axis spectrometer at the high flux reactor of the ILL yields the…

Soft Condensed Matter · Physics 2016-08-16 M. C. Rheinstädter , C. Ollinger , G. Fragneto , T. Salditt

The interaction between nuclei and a strong zeptosecond laser pulse with coherent MeV photons is investigated theoretically. We provide a first semi-quantitative study of the quasiadiabatic regime where the photon absorption rate is…

Nuclear Theory · Physics 2016-02-22 Adriana Pálffy , Oliver Buss , Axel Hoefer , Hans A. Weidenmüller

The development of attosecond technology has enabled the real-time observation of coherent electron motion in atoms, molecules and condensed phases. Experimentally, it is now possible to generate laser pulses of durations of only a few tens…

Chemical Physics · Physics 2017-05-18 David Ayuso

Understanding quasielastic electron- and neutrino-scattering from nuclei has taken on new urgency with current and planned neutrino oscillation experiments, and with electron scattering experiments measuring specific final states, such as…

Nuclear Theory · Physics 2020-04-29 Saori Pastore , Joseph Carlson , Stefano Gandolfi , Rocco Schiavilla , Robert B. Wiringa