The Photon Distribution of Atoms and Molecules
نویسنده
چکیده
In the weak coupling limit of QED, it is shown how to express the parton distributions in particular the photon distribution in terms of the nonrelativistic wavefunctions. A sum rule is derived, relating the momentum carried by the photons to the binding energy, thus allowing quantitative predictions about the modification of the photon distribution as molecules are formed from atoms. The physical content is illustrated in a semi-classical picture as well as by providing analytic results for positronium. Submitted to Nuclear Physics B * Supported in part by a grant from Alexander von Humboldt-Stiftung and in part by the Department of Energy under contract DE-AC03-76SF00515.
منابع مشابه
Adsorption of ozone molecules on AlP-codoped stanene nanosheet: A density functional theory study
Density functional theory calculations were carried out to investigate the structural and electronicproperties of the adsorption of O3 molecules on AlP-codoped monolayers to fully exploit the gas sensingcapability of these two-dimensional materials. Various adsorption sites of O3 molecule on the considerednanosheets were examined in detail. The side oxygen atoms of the O3 mole...
متن کاملA Non-Demolition Photon Counting Method by Four-Level Inverted Y-Type Atom
The semi-classical model of atom-field interaction has been fully studied for some multilevel atoms, e.g. Vee, L, Cascade X , Y, and inverted Y and so on. This issue is developed into the full-quantum electrodynamics formalism, where the probe and coupling electromagnetic fields are quantized. In this article, we investigate the full-quantum model of absorption and dispersion spectrum of trappe...
متن کاملMolecular Docking Based on Virtual Screening, Molecular Dynamics and Atoms in Molecules Studies to Identify the Potential Human Epidermal Receptor 2 Intracellular Domain Inhibitors
Human epidermal growth factor receptor 2 (HER2) is a member of the epidermal growth factor receptor family having tyrosine kinase activity. Overexpression of HER2 usually causes malignant transformation of cells and is responsible for the breast cancer. In this work, the virtual screening, molecular docking, quantum mechanics and molecular dynamics methods were employed to study protein–ligand ...
متن کاملInvestigation of Substituent Effects on the Strength of Hydrogen Bond in the Guanine: Cytosine Base Pairs: A Theoretical Study
In the present work, the substituent effect on the strength of H-bonds in the guanine – cytosine base pair was studied when the substituents are connected to the guanine base through a phenyl ring. In this study, guanine was substituted in the H8 and H9 positions by electron donating (ED) and electron withdrawing (EW) groups mediated by a phenyl ring in the gas phase. The calculations were perf...
متن کاملQuantum Mechanic Studies of Natural Bond Orbital & Stabilities of [CuCH2SiMe3]4Complexes With Different Halogens
The asymmetric unit of the title compound, Contains two independent molecules. The Cu atoms are four coordinated in distorted tetrahedral configuration by two atoms from 5,5`-dimethyl-2,2`- bipyridine and two terminal atoms. In the Cuystal structure, inter molecular hydrogen bonds link the molecules. The are contacts between the methyl groups and the pyridine and five member rings containing ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 1991