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We study a two-dimensional chiral active crystal composed of underdamped chiral active particles. These particles, characterized by intrinsic handedness and persistence, interact via linear forces derived from harmonic potentials. Chirality…

软凝聚态物质 · 物理学 2024-12-25 Umberto Marini Bettolo Marconi , Lorenzo Caprini

We construct an effective chiral Lagrangian for hadrons implemented by the conformal invariance and discuss the properties of nuclear matter at high density. The model is formulated based on two alternative assignment, "naive" and mirror,…

高能物理 - 唯象学 · 物理学 2011-09-08 Chihiro Sasaki , Hyun Kyu Lee , Won-Gi Paeng , Mannque Rho

Massive Dirac particles are a superposition of left and right chiral components. Since chirality is not a conserved quantity, the free Dirac Hamiltonian evolution induces chiral quantum oscillations, a phenomenon related to the…

高能物理 - 唯象学 · 物理学 2021-05-26 Victor A. S. V. Bittencourt , Alex E. Bernardini , Massimo Blasone

Chirality in inorganic nanoparticles and nanostructures has gained increasing scientific interest, because of the possibility to tune their ability to interact differently with left- and right-handed circularly polarized light. In some…

We proceed with the construction of normalizable Dirac wave packets for treating chiral oscillations in the presence of an external magnetic field. Both chirality and helicity quantum numbers correspond to variables of fundamental…

高能物理 - 理论 · 物理学 2009-11-10 Alex E. Bernardini

The spin and orbital angular momentum carried by different quark flavors in the nucleon are calculated in the SU(3) chiral quark model with symmetry-breaking. The similar calculation is also performed for other octet and decuplet baryons.…

高能物理 - 唯象学 · 物理学 2014-11-17 X. Song

A systematic study of 2-quasiparticle bands of the proton-rich odd-odd nuclei in the mass A ~ 70-80 region is performed using the projected shell model approach. The study includes Br-, Rb-, and Y-isotopes with N = Z+2, and Z+4. We describe…

核理论 · 物理学 2009-11-07 R. Palit , J. A. Sheikh , Y. Sun , H. C. Jain

Parity-odd transport is a central signature of chiral fluids, yet analytical predictions are sparse. Here, we introduce a minimal two-dimensional hard-disk gas in which chirality arises solely from a collision-induced transverse impulse.…

Chiral crystals and molecules were recently predicted to form an intriguing platform for unconventional orbital physics. Here, we report the observation of chirality-driven orbital textures in the bulk electronic structure of CoSi, a…

This paper develops, in precise quantum electrodynamic terms, photonic attributes of the "optical chirality density", one of several measures long known to be conserved quantities for a vacuum electromagnetic field. The analysis lends…

光学 · 物理学 2012-06-21 Matt M. Coles , David L. Andrews

The rotating nuclei represent one of most interesting subjects for theoretical and experimental studies. They open a new dimension of nuclear landscape, namely, spin direction. Contrary to the majority of nuclear systems, their properties…

核理论 · 物理学 2016-04-27 A. V. Afanasjev

Dirac particles have two intrinsic degrees-of-freedom, helicity and chirality. While helicity is conserved in time, chirality is not constant under time evolution for massive particles, yielding the phenomenon of chiral oscillations. So…

高能物理 - 唯象学 · 物理学 2024-08-30 Victor Bittencourt , Massimo Blasone , Gennaro Zanfardino

Chiral response is of tremendous importance to many fields, such as analytical chemistry, polarization manipulation and biological sensing. Here, a chiral metasurface based on rectangular holes is systematically investigated. The results…

光学 · 物理学 2021-12-07 Biyuan Wu , Mingjun Wang , Yasong Sun , Feng Wu , Zhangxing Shi , Xiaohu Wu

The island of inversion is a region of neutron-rich nuclei that are deformed in their ground states. In this region, less is known about the energy levels of odd-mass nuclei, how they evolve with increasing neutron numbers, and how they can…

核理论 · 物理学 2025-04-04 Z. H. Sun , T. R. Djärv , G. Hagen , G. R. Jansen , T. Papenbrock

Nuclear chirality has been intensively studdied for the last several years in the context of experimental as well as theoretical approach. Characteristic gamma selection rules have been predicted for the strong chiral symmetry breaking…

核理论 · 物理学 2015-05-27 Ernest Grodner

We present a first principles study of chiral plasma instabilities and axial charge transfer in non-Abelian plasmas with a strong gauge-matter coupling $g^2N_f=64$, by performing $3+1$ D real-time classical-statistical lattice simulation…

高能物理 - 唯象学 · 物理学 2023-09-06 Sören Schlichting , Sayantan Sharma

Chiral magnetism is a fascinating quantum phenomena that has been found in low-dimensional magnetic materials. It is not only interesting for understanding the concept of chirality, but also important for potential applications in…

量子气体 · 物理学 2018-07-12 Bo Liu , Peng Zhang , Hong Gao , Fuli Li

Molecular chirality, a form of stereochemistry most often describing relative spatial arrangements of bonded neighbors around tetrahedral carbon centers, influences the set of 3D conformers accessible to the molecule without changing its 2D…

机器学习 · 计算机科学 2021-10-12 Keir Adams , Lagnajit Pattanaik , Connor W. Coley

We perform shell model calculations in odd-odd nuclei using a quadrupole-quadrupole interaction and single-particle splittings chosen so as to obtain the SU(3) results. Elliott had shown that such an interaction gives rotational bands for…

核理论 · 物理学 2007-05-23 M. S Fayache , L. Zamick

Chiral induced spin selectivity is a phenomenon that has been attributed to chirality, spin-orbit interactions, and non-equilibrium conditions, while the role of electron exchange and correlations have been investigated only marginally…

介观与纳米尺度物理 · 物理学 2021-04-28 J. Fransson