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The quartz crystal microbalance (QCM) is widely used to study surface adsorbed molecules, often of biological significance. However, the relation between raw acoustic response (frequency shift $\Delta f$ and dissipation factor $\Delta D$)…

A systemically theoretical study has been presented to explored the crystal structures and electronic characteristics of polycyclic aromatic hydrocarbons (PAHs), such as solid phenanthrene, picene, 1,2;8,9-dibenzopentacene, and…

Materials Science · Physics 2015-12-10 Guohua Zhong , Zhongbing Huang , Chao Zhang , Xunwang Yan , Xiaojia Chen , Haiqing Lin

The scattering of ortho-positronium (Ps) by hydrogen atoms has been investigated in a five-state coupled-channel model allowing for Ps(1s)H(2s,2p) and Ps(2s,2p)H(1s) excitations using a recently proposed electron-exchange model potential.…

Atomic and Molecular Clusters · Physics 2008-12-18 Sadhan K. Adhikari , P. K. Biswas

Employing X-ray photon correlation spectroscopy we measure the kinetics and dynamics of a pressure-induced liquid-liquid phase separation (LLPS) in a water-lysozyme solution. Scattering invariants and kinetic information provide evidence…

Soft Condensed Matter · Physics 2021-07-13 M. Moron , A. Al-Masoodi , C. Lovato , M. Reiser , L. Randolph , G. Surmeier , J. Bolle , F. Westermeier , M. Sprung , R. Winter , M. Paulus , C. Gutt

The dynamics of many macromolecular machines is characterized by chemically-mediated structural changes that achieve large scale functional deployment through local rearrangements of constitutive protein sub-units. Motivated by recent high…

Soft Condensed Matter · Physics 2024-07-16 Noah Toyonaga , L Mahadevan

Protein-protein interactions (protein functionalities) are mediated by water, which compacts individual proteins and promotes close and temporarily stable large-area protein-protein interfaces. Proteins are peptide chains decorated by amino…

Soft Condensed Matter · Physics 2008-02-26 J. C. Phillips

The seesaw-extended MSSM provides a framework in which the observed light neutrino masses and mixing angles can be generated in the context of a natural theory for the TeV-scale. Sneutrino-mixing phenomena provide valuable tools for…

High Energy Physics - Phenomenology · Physics 2009-01-06 Athanasios Dedes , Howard E. Haber , Janusz Rosiek

The broad use of organic semiconductors for optoelectronic applications relies on quantitative understanding and control of their spectroscopic properties. Of paramount importance are the transport gap - the difference between ionization…

Materials Science · Physics 2012-10-10 Sahar Sharifzadeh , Ariel Biller , Leeor Kronik , Jeffrey B. Neaton

The Central Molecular Zone (CMZ) is a ring-like structure sitting at the center of the Milky Way. Using the 870 $\mu$m continuum map from the APEX Telescope Large Area Survey of the Galaxy (ATLASGAL), we study the anisotropy of the density…

Astrophysics of Galaxies · Physics 2021-11-03 Xiu-Yu Cai , Guang-Xing Li , Lei Qian

Scattering methods are widespread used to characterize the structure and constituents of matter on small length scales. This motivates this introductory text on identifying prospective approaches to scattering-based methods for granular…

Soft Condensed Matter · Physics 2019-06-20 Philip Born , Karsten Holldack

Intrinsic properties of a compound (e.g., electronic structure, crystallographic structure, optical and magnetic properties) define notably its chemical and physical behavior. In the case of nanomaterials, these fundamental properties…

We study the light scattering properties of random ballistic aggregates constructed in Shen et al. (Paper I). Using the discrete-dipole-approximation, we compute the scattering phase function and linear polarization for random aggregates…

Earth and Planetary Astrophysics · Physics 2011-02-11 Yue Shen , B. T. Draine , Eric T. Johnson

Polydimethylsiloxane (PDMS) films possess different chemical and physical properties based on surface modification. The bond structure of pristine PDMS films and plasma treated PDMS films differ in a particular region of silicate bonds. We…

Applied Physics · Physics 2017-07-10 Amit R. Morarka , Aditee C. Joshi

We analyze the contact and force networks in a dense confined packing of pentagonal particles simulated by means of the contact dynamics method. The particle shape effect is evidenced by comparing the data from pentagon packing and from a…

Classical Physics · Physics 2007-09-17 émilien Azema , Farhang Radjaï , Robert Peyroux , Gilles Saussine

The crystal structure of potassium doped picene with an exact stoichiometry (K3C22H14, K3picene from here onwards) has been theoretically determined within Density Functional Theory allowing complete variational freedom of the crystal…

Materials Science · Physics 2011-10-10 P. L. de Andres , A. Guijarro , J. A. Verges

While all the information required for the folding of a protein is contained in its amino acid sequence, one has not yet learned how to extract this information to predict the three--dimensional, biologically active, native conformation of…

Biomolecules · Quantitative Biology 2009-11-10 R. A. Broglia , G. Tiana

The breaking of symmetry is the ground on which many physical phenomena are explained. This is important in particular for bipartite lattice structure as graphene and carbon nanotubes, where particle-hole and pseudo-spin are relevant…

Mesoscale and Nanoscale Physics · Physics 2011-10-12 Leonhard Mayrhofer , Dario Bercioux

We perform a detailed analysis of the contact force network in a dense confined packing of pentagonal particles simulated by means of the contact dynamics method. The effect of particle shape is evidenced by comparing the data from pentagon…

Classical Physics · Physics 2007-06-28 Émilien Azema , F. RadjaÏ , R. Peyroux , G. Saussine

The condensation of biomolecules into biomolecular condensates via liquid-liquid phase separation (LLPS) is a ubiquitous mechanism that drives cellular organization. To enable these functions, biomolecules have evolved to drive LLPS and…

Biomolecules · Quantitative Biology 2020-03-04 Erik W. Martin , Jesse B. Hopkins , Tanja Mittag

Using neutron elastic and inelastic scattering and high-energy x-ray diffraction, we present a comparison of 40% Pb(Mg$_{1/3}$Nb$_{2/3}$)O$_{3}$-60% PbTiO$_{3}$ (PMN-60PT) with pure Pb(Mg$_{1/3}$Nb$_{2/3}$)O$_{3}$ (PMN) and PbTiO$_{3}$…

Materials Science · Physics 2009-11-11 C. Stock , D. Ellis , I. P. Swainson , Guangyong Xu , H. Hiraka , Z. Zhong , H. Luo , X. Zhao , D. Viehland , R. J. Birgeneau , G. Shirane