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Related papers: Chirality in Bare and Passivated Gold Nanoclusters

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The adsorption of ethylene molecule on neutral, anionic and cationic gold clusters consisting of up to 10 atoms has been investigated using density-functional theory. It is demonstrated that C2H4 can be adsorbed on small gold clusters in…

Atomic and Molecular Clusters · Physics 2011-03-02 Andrey Lyalin , Tetsuya Taketsugu

We present updated results on chiral phase structure in (2+1)-flavor ($N_f$=2+1) and 3-flavor ($N_f=3$) QCD based on the simulations using Highly Improved Staggered Quarks on lattices with temporal extent $N_\tau$ =6 at vanishing baryon…

High Energy Physics - Lattice · Physics 2019-08-14 Heng-Tong Ding , Prasad Hegde

Chirality in quantum materials is a topic of significant importance due to its profound effects on the electronic, magnetic, and optical properties of these systems. However, it is non-trivial to decouple the behavior of two enantiomorphs…

We have assigned the chirality of the internal tubes of double walled carbon nanotubes grown by catalytic chemical vapor deposition using the high sensitivity of the radial breathing mode (RB) in inelastic light scattering experiments. The…

Materials Science · Physics 2009-11-07 R. R. Bacsa , A. Peigney , Ch. Laurent , P. Puech , W. S. Bacsa

With the use of chiral organic cations in two-dimensional metal halide perovskites, chirality can be induced in the metal halide layers, which results in semiconductors with intriguing chiral optical and spin-selective transport properties.…

Materials Science · Physics 2026-04-28 Mike Pols , Geert Brocks , Sofía Calero , Shuxia Tao

By considering the topology of chiral crystals a new type of massless fermions, connected with giant arc-like surface states, are predicted. Such Kramers-Weyl fermions should manifest in a wide variety of chiral materials

Strongly Correlated Electrons · Physics 2018-10-24 Chandra Shekhar

The lowest positive- and negative-parity bands of $^{20}$Ne and neutron-rich even-even Ne isotopes are investigated using a theoretical framework based on energy density functionals. Starting from a self-consistent relativistic…

Nuclear Theory · Physics 2018-02-27 P. Marević , J. -P. Ebran , E. Khan , T. Nikšić , D. Vretenar

We investigated cluster correlation and nuclear voricity in low-lying $1^-$ states of $^{24}$Mg within antisymmetrized molecular dynamics framework. We found that the toroidal and compressional dipole modes separately appear as the $K=1$…

Nuclear Theory · Physics 2021-06-16 Yohei Chiba , Yoshiko Kanada-En'yo , Yuki Shikata

Optical chirality density is a measure of the local handedness of electromagnetic fields. Like energy density, it may be absorbed or scattered through the interaction between light and matter. Here, we utilize the conservation of optical…

Chiral perturbation theory systematically describes the low energy dynamics of meson and baryons using nonlinear Nambu-Goldstone fields. Using the Young tensor technique, we construct the pure mesonic effective operators up to $p^8$-order,…

High Energy Physics - Phenomenology · Physics 2024-04-23 Xuan-He Li , Hao Sun , Feng-Jie Tang , Jiang-Hao Yu

We review recent progress in the understanding of low-energy baryon structure by means of chiral perturbation theory. In particular, we discuss the application of this formalism to the description of the quark mass dependence of recent…

High Energy Physics - Lattice · Physics 2010-11-15 J. Martin Camalich , L. S. Geng , M. J. Vicente Vacas

In metallic nanoparticles, the cluster geometric structures control the particle's electronic band structure, polarizability, and catalytic properties. Analyzing the structural properties is a complex problem; the structure of an assembled…

Materials Science · Physics 2022-10-12 Jiale Shi , Shanghui Huang , François Gygi , Jonathan K. Whitmer

The isolated substitutional gold impurity in bulk silicon is studied in detail using electronic structure calculations based on density-functional theory. The defect system is found to be a non-spin-polarized negative-U centre, thus…

Materials Science · Physics 2014-03-26 Fabiano Corsetti , Arash A. Mostofi

Ab initio perturbed ion plus polarization calculations are reported for doubly-charged nonstoichiometric (MgO)nMg2+ (n=1-29) cluster ions. We consider a large number of isomers with full relaxations of the geometries, and add the…

Atomic and Molecular Clusters · Physics 2009-10-31 Andres Aguado , Francisco Lopez-Gejo , Jose M. Lopez

We study nuclear multipole resonances in the framework of the random phase approximation using the chiral potential NNLO$_{\text{sat}}$. This potential includes two- and three-body terms that has been simultaneously optimized to low-energy…

Nuclear Theory · Physics 2018-05-09 Q. Wu , B. S. Hu , F. R. Xu , Y. Z. Ma , S. J. Dai , Z. H. Sun , G. R. Jansen

X-ray observations with Chandra and XMM are providing valuable new measurements of the baryonic and dark matter content of groups and clusters. Masses of cD clusters obtained from X-ray and gravitational lensing studies generally show good…

Astrophysics · Physics 2016-01-27 David A. Buote

We study the masses of the doubly bottom baryons and the charmed bottom baryons up to $\mathcal{O}\left(p^{3}\right)$ in heavy baryon chiral perturbation theory. For the low-energy constants, $g_{A}$ was determined in the quark model, and…

High Energy Physics - Phenomenology · Physics 2022-08-24 Hao-Ze Tong , Hao-Song Li

The chiral Lagrangian for Goldstone boson scattering is a power series expansion in numbers of derivatives. Each successive term is suppressed by powers of a scale, $\Lambda_\chi$, which must be less than of order $4\pi f/\sqrt{N}$ where…

High Energy Physics - Phenomenology · Physics 2013-11-13 R. Sekhar Chivukula , M. Dugan , M. Golden

Metasurfaces, the two-dimensional analogues of metamaterials, are ideal platforms for sensing molecular chirality at the nanoscale, e.g. of inclusions of natural optically active molecules, as they offer large accessible areas (they are…

Applied Physics · Physics 2020-08-19 Sotiris Droulias

Magnetic singularities, also known as magnetic monopoles or Bloch points, represent intriguingphenomena in nanomagnetism. We show that a pair of coupled Bloch points may appear as alocalized, stable state in cubic chiral magnets. Detailed…

Mesoscale and Nanoscale Physics · Physics 2020-05-14 G. P. Müller , F. N. Rybakov , H. Jónsson , S. Blügel , N. S. Kiselev