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Short-range interaction can give rise to particle pairing with a short-range correlation, which may be destroyed in the presence of an external field. We study the transition between correlated and uncorrelated particle states in the…

量子物理 · 物理学 2016-06-07 X. Z. Zhang , S. Lin , Z. Song

The dielectric nature of polar liquids underpins much of their ability to act as useful solvents, but its description is complicated by the long-ranged nature of dipolar interactions. This is particularly pronounced under the periodic…

软凝聚态物质 · 物理学 2021-03-25 Stephen J. Cox

A nonlinear phase-field model is developed to simulate corrosion damage. The motion of the electrode$-$ electrolyte interface follows the usual kinetic rate theory for chemical reactions based on the Butler-Volmer equation. The model links…

化学物理 · 物理学 2024-08-28 M. Makuch , S. Kovacevic , M. R. Wenman , E. Martínez-Pañeda

Few-body systems, such as cold atoms and halo nuclei, share universal features at low energies, which are insensitive to the underlying inter-particle interactions at short ranges. These low-energy properties can be investigated in the…

核理论 · 物理学 2016-05-17 Chen Ji

We experimentally study the effect of near field coupling on the transmission of light in terahertz metasurfaces, possessing slightly distinctive SRR resonances. Our results show that the interplay between the strengths of electric and…

Classical theory of the electric double layer is based on the fundamental assumption of a dilute solution of point ions. There are a number of situations such as high applied voltages, high concentration of electrolytes, systems with…

流体动力学 · 物理学 2015-06-11 Brian D. Storey , Martin Z. Bazant

We consider the dispersion interaction between two ground-state hydrogen atoms, interacting with the quantum electromagnetic field in the vacuum state, in the presence of an external static electric field, both in the nonretarded and in the…

量子物理 · 物理学 2020-01-10 G. Fiscelli , L. Rizzuto , R. Passante

A universal mechanism for strong magnetic-field effects of nonmagnetic organic semiconductors is presented. A weak magnetic field (less than hundreds mT) can substantially change the charge carrier hopping coefficient between two…

介观与纳米尺度物理 · 物理学 2010-06-29 X. R. Wang , S. J. Xie

We study a general problem of the translational/rotational/vibrational/electronic dynamics of a diatomic molecule exposed to an interaction with an arbitrary external electromagnetic field. The theory developed in this paper is relevant to…

量子物理 · 物理学 2016-09-28 Milan Sindelka , Nimrod Moiseyev

We theoretically study saturation effects induced by an external static electric field on photoassociation (PA) of a heteronuclear atom pair. A static electric field influences scattering wave-function of two heteronuclear atoms as…

原子物理 · 物理学 2012-06-06 Debashree Chakraborty , Bimalendu Deb

Ultra-cold collisions of spin-polarized 24Mg,40Ca, and 88Sr in the metastable 3P2 excited state are investigated. We calculate the long-range interaction potentials and estimate the scattering length and the collisional loss rate as a…

The interrelation between disorder and interactions in two dimensional electron liquid is studied beyond weak coupling perturbation theory. Strong repulsion significantly reduces the electronic density of states on the Fermi level. This…

无序系统与神经网络 · 物理学 2007-05-23 B. Rosenstein , Tran Minh-Tien

We theoretically investigate the properties of highly polar diatomic molecules containing $^2S$-state transition-metal atoms. We calculate potential energy curves, permanent electric dipole moments, spectroscopic constants, and leading…

原子物理 · 物理学 2021-02-16 Michał Śmiałkowski , Michał Tomza

We study the two-body bound states of a model Hamiltonian that describes the interaction between two field-oriented dipole moments. This model has been used extensively in many-body physics of ultracold polar molecules and magnetic atoms,…

量子物理 · 物理学 2018-12-12 Tijs Karman , Matthew D. Frye , John D. Reddel , Jeremy M. Hutson

The transition from a few-body system to a many-body system can result in new length scales, novel collective phenomena or even in a phase transition. Such a threshold behavior was shown for example in 4He droplets, where 4He turns into a…

Electric dipole moments (edms) of bound states that arise from the constituents having edms are studied with field-theoretic techniques. The systems treated are the neutron and a set of paramagnetic atoms. In the latter case it is well…

高能物理 - 唯象学 · 物理学 2015-06-05 S. A. Blundell , J. Griffith , J. Sapirstein

Effective Field Theory (EFT) provides a powerful framework that exploits a separation of scales in physical systems to perform systematically improvable, model-independent calculations. Particularly interesting are few-body systems with…

其他凝聚态物理 · 物理学 2009-11-10 H. -W. Hammer

We study a quasi two dimensional dipolar gas at finite, but ultralow temperatures using the classical field approximation. The method, already used for a contact interacting gas, is extended here to samples with a weakly interacting…

量子气体 · 物理学 2013-04-23 Krzysztof Pawlowski , Przemyslaw Bienias , Tilman Pfau , Kazimierz Rzazewski

Electromagnetic fields with complex spatial variation routinely arise in Nature. We study the response of a small molecule to monochromatic fields of arbitrary three-dimensional geometry. First, we consider the allowed configurations of the…

光学 · 物理学 2010-11-23 Nan Yang , Adam E. Cohen

An array of ultracold polar molecules trapped in an external electric field is regarded as a promising carrier of quantum information. Under the action of this field, molecules are compelled to undergo pendular oscillations by the Stark…

量子物理 · 物理学 2016-04-08 Jia-Xing Han , Yuan Hu , Yu Jin , Guo-Feng Zhang