Ab initio implementation of the frenkel davydov exciton model. Multicomponent cluster states in dilute mixed molecular crystals. Buy this book isbn 9781489951694 digitally watermarked, drmfree included format. Get it by wed, jul 29 fri, aug 14 from trebbin, germany very good condition 14 day returns buyer pays return shipping. Davydov, 9781489951717, available at book depository with free delivery worldwide. This idea was further expanded by davydov in 1964,8 who wrote the hamiltonian for a molecular crystal as. Get it by wed, jul 29 fri, aug 14 from trebbin, germany. Sep 01, 1973 volume 9, number 1 optics communications september 1973 theory of line shape of optical absorption and emission spectra molecular crystals e. Contribution to the theory of frenkel excitons in disordered. A s davydov, the theory of molecular excitons, sov phys uspekhi, 1964, 7 2, 145178 classification. An exciton is a bound state of an electron and an electron hole which are attracted to each other by the electrostatic coulomb force. We develop the theory of frenkel excitons for multicomponent cluster sttes in mediudilue med molecular. Exciton dynamics in molecular crystals and aggregates.
It is an electrically neutral quasiparticle that exists in insulators, semiconductors and some liquids. We mention only one of the prob lems, the one which was responsible for the theoretical development contained herein. Experimental arrangement of thomson for the determination of the ratio em of cathode rays through their deflection a in a magnetic field and b in an electric field the negative light particles of the cathode rays were named electrons after a proposal by j. Article views are the countercompliant sum of full text article downloads since november 2008 both pdf and html across all institutions and individuals. Frenkel excitons, higherenergy excitons are of intermolecular chargetransfer type.
Read as many books as you like personal use and join over 150. Electrons and excitons in nonlinear molecular chains. Davydov 1951 teoriya pogloshcheniya sveta v molekulyarnykh kristallakh theory of absorption of light in molecular crystals kiev a. Dynamics of molecular excitons download books pdfepub and. Jan 12, 2020 theory of molecular excitons davydov a s kasha hestand and spano abstract the electronic excited states of molecular aggregates and their photophysical signatures have long fascinated spectroscopists and theoreticians alike since the advent of frenkel exciton theory almost 90 years ago the influence of molecular packing on. Theory of molecular excitons, the american journal of. Davydov theory or its extensions, there remain a num ber of observations which cannot be accommodated within that theory.
Formulation of the theory the theory of molecular excitons has been treated in many articles. Davydov, with 75 highly influential citations and 158 scientific research papers. Dynamics of molecular excitons download books pdfepub. His father was a professor of biochemistry and his mother was a medical doctor. His elder brother evgenii was conscripted soon after beginning of the nazi invasion in june 1941 and lost his life. Excitons in molecular crystals from firstprinciples manybody. The exciton is regarded as an elementary excitation of condensed matter that can transport energy without transporting net electric charge. A s davydov, the theory of molecular excitons, sov phys uspekhi, 1964, 7 2, 145178. Fast and free shipping free returns cash on delivery available on eligible purchase. It is known as davydov filppov model and davydov chaban model 19581960. Authors view affiliations aleksandr sergeevich davydov. Buy theory of molecular excitons book online at low prices.
In order to read online dynamics of molecular excitons textbook, you need to create a free account. The dipole dipole interaction theory of davydov for factor group davydov splitting in the vibrations of molecular. Pdf ebooks can be used on all reading devices immediate ebook. It is observed that the lowest 1t transitions in benzene and naphthalene.
Davydov, unknown edition, open library is an initiative of the internet archive, a 501c3 nonprofit, building a digital library of internet sites and other cultural artifacts in digital form. Davydov 1962 theory of molecular excitons mcgrawhill, new york engl. Theory of line shape of optical absorption and emission. Vladimir lvovich broude december 1, 1924, moscow, russia june 22, 1978, chernogolovka, russia, was a soviet experimental physicist of jewish descent. Fundamentals of the phenomenological theory of electromagnetic waves in dielectric media. Excitation energy transfer processes in condensed matter. Theory of molecular excitons softcover reprint of the original 1st ed. The calculated optical absorption spectra and davydov splitting are in good agreement with experiments. In 1948was predicted the phenomenon that is known as davydov splitting. Chargetransfer exciton states in aromatic molecular crystals. However, formatting rules can vary widely between applications and fields of interest or study. The theory of molecular spectroscopy is almost but. Theory of collective excited states in spherical and nonsperical nuclei. Excitons and electronic collective excitations in molecular.
Read theory of molecular excitons, the american journal of physics on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Pdf exciton formation leads to jbands in solid pentacene. Uhoh, it looks like your internet explorer is out of date. Articles citing this article 50 citing articles citing this article. These metrics are regularly updated to reflect usage leading up to the last few days.
Pdf theory of exciton states in the secondquantization representation fixed molecules. Among these theories, the molecular exciton approach. Buy theory of molecular excitons book online at best prices in india on. The crystal belongs to the monoclinic space group c2h with two molecules per unit cell. Let us further assume a twolevel model in which boltzmanntype. Feb 24, 2014 unlike in the original approach of the theory of molecular excitons, elaborated for explaining of the uvvis spectral properties of hydrocarbon molecules in crystals, we assume that the exciton coupling mechanisms involving hydrogen bonds are not temperatureindependent. Citations are the number of other articles citing this article, calculated by crossref and updated daily. We cannot guarantee that every book is in the library. Dipole dipole interactions and davydov splitting in crystals. Large davydov splitting and strong fluorescence suppression. Davydov splitting and multipole interactions sciencedirect.
Reviews of topical problems related content the theory of. Temperature, hd isotopic and davydovsplitting effects in. Request pdf electrons and excitons in nonlinear molecular chains the soliton theory is developed to describe the motion of an excess electron or intramolecular excitation in molecular chains. Theory of molecular excitons sep 18, 20 edition open.
Davydov, theory of molecular excitons, plenum, new york. Elementary theory of excitons in coordinate representation. Exciton delocalization, first discussed theoretically by frenkel in the 1930s, and later by davydov and kasha, is an optical phenomenon that has been observed in optically active molecular i. Theory of molecular excitons, the american journal of physics. Davydovtype excitonic effects on the absorption spectra of. Theory of molecular excitons 1962 edition open library. Kaplan, harvey the american journal of physics, volume 31 3 mar 1, 1963. Davydov, theory of molecular excitons nauka, moscow. Davydov is the author of theory of molecular excitons 0. A general theory describing electron energy states in molecular. Theory of molecular excitons book online at best prices in india on. Iop publishing hosts the online versions of all turpion journals, providing full text.
On the singletexciton states of crystalline anthracene. Ab initio implementation of the frenkel davydov exciton. Theory of molecular excitons download pdf or read online. Theory of absorption, scattering and dispersion of the light in molecular crystals. The hamiltonian for a crystal containing n unit cells and h molecules per unit cell may be written in. Pdf davydovtype excitonic effects on the absorption spectra of. Excitons and davydov splitting in sexithiophene from first. The method is based on the molecular exciton model that was. Please select one of the following sources for this article. This theory was applied to the lb2u exciton states of formally, a complete analysis of disordered systems heavily doped isotopic mixed crystals of naphthalene. Molecular as opposed to solidstate exciton theory has been.
647 478 1346 653 615 491 665 1001 971 1423 1516 682 843 757 795 1694 795 583 1023 61 2 739 469 1261 669 715 813 734 1386 84 1270