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Related papers: Charge Transfer, Symmetry and Dissipation

200 papers

The deuteron charge - exchange reaction pD->n(pp) for the low values of momentum transfer and small excitation energies of final pp - pair is considered in the framework of Bethe - Salpeter approach. The method of calculation of the…

Nuclear Theory · Physics 2008-11-26 S. M. Dorkin , L. P. Kaptari , B. Kaempfer , S. S. Semikh

Photo-induced charge separation in nanowires or molecular wires had been studied in previous experiments and simulations. Most researches deal with the carrier diffusions with the classical phenomenological models, or the static energy…

Mesoscale and Nanoscale Physics · Physics 2018-04-13 Hang Xie , Yu Zhang , Yanho Kwok , Wei E. I. Sha

We have studied the electronic properties and optical absorption spectra of three different cases of donor centers, D^{0}, D^{-} and D^{2-}, which are subjected to a perpendicular magnetic field, using the exact diagonalization method. The…

Mesoscale and Nanoscale Physics · Physics 2007-10-10 Jaime Zaratiegui García , Pekka Pietiläinen , Petteri Hyvönen

I investigate energy transfer in a donor-acceptor pair beyond weak system-bath coupling. I identify a transition from coherent to incoherent dynamics with increasing temperature, due to multi-phonon effects not captured by a standard…

Mesoscale and Nanoscale Physics · Physics 2009-10-05 Ahsan Nazir

It is known that when strong electric field is applied to a semiconductor sample, the current voltage characteristic deviates from the linear response. In this letter, we propose a new point of view of nonlinearity in semiconductors which…

Materials Science · Physics 2016-06-22 S. Molina-Valdovinos , Yu. G. Gurevich

The complex mechanisms governing charge migration in DNA oligomers reflect the rich structural and electronic properties of the molecule of life. Controlling the mechanical stability of DNA nanowires in charge transport experiments is a…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Bo Song , Marcus Elstner , Gianaurelio Cuniberti

We study the symmetry breaking pattern of an O(4) symmetric model of scalar fields, with both charged and neutral fields, interacting with a photon bath. Nagasawa and Brandenberger argued that in favourable circumstances the vacuum manifold…

High Energy Physics - Phenomenology · Physics 2009-11-11 F. Freire , N. D. Antunes , P. Salmi , A. Achucarro

We study transfer of coherent nuclear oscillations between an excitation energy donor and an acceptor in a simple dimeric electronic system coupled to an unstructured thermodynamic bath and some pronounced vibrational intramolecular mode.…

Chemical Physics · Physics 2015-01-08 Tomáš Mančal , Jakub Dostál , Jakub Pšenčík , Donatas Zigmantas

Quantum synchronisation has recently been proposed as a mechanism for electronic excitation energy transfer in light-harvesting complexes, yet its robustness in driven-dissipative settings remains under active investigation. Here, we…

Biological Physics · Physics 2026-01-30 Wenhao Xu

The charge-exchange reaction pd->npp at 1 GeV projectile proton energy is studied in the multiple-scattering expansion technique. This reaction is considered in a special kinematics, when the transfer momentum from the beam proton to fast…

Nuclear Theory · Physics 2009-11-10 N. B. Ladygina , A. V. Shebeko

Organic dopants are frequently used to surface-dope inorganic semiconductors. The resulted hybrid inorganic-organic materials have a crucial role in advanced functional materials and semiconductor devices. In this article, we study charge…

Materials Science · Physics 2017-08-01 Xiaoming Wang , Keivan Esfarjani , Mona Zebarjadi

We consider current observational constraints on the electromagnetic charge of dark matter. The velocity dependence of the scattering cross-section through the photon gives rise to qualitatively different constraints than standard dark…

High Energy Physics - Phenomenology · Physics 2011-03-22 Samuel D. McDermott , Hai-Bo Yu , Kathryn M. Zurek

We show that using parameters consistent with the charge symmetry violating difference between the strong nn and pp scattering lengths provides significant constraints on the amplitude for the dd -> alpha pi0 reaction.

Nuclear Theory · Physics 2009-08-26 A. C. Fonseca , R. Machleidt , G. A. Miller

Electrochemical reactions represent essential processes in fundamental chemistry that foster a wide range of applications. Although most electrochemical reactions in bulk substances can be well described by the classical Marcus-Gerischer…

Materials Science · Physics 2023-07-19 Ning Xu , Li Shi , Xudong Pei , Weiyang Zhang , Jian Chen , Zheng Han , Paolo Samorì , Jinlan Wang , Peng Wang , Yi Shi , Songlin Li

We discuss charge symmetry and charge independence breaking in a chiral effective field theory approach for few-nucleon systems based on a modified Weinberg power counting. We construct a two-nucleon potential with bound and scattering…

Nuclear Theory · Physics 2009-11-06 Markus Walzl , Ulf-G. Meißner , Evgeny Epelbaum

We analyze the interplay between vibrational and electronic degrees of freedom in charge transport across a molecular single-electron transistor. We focus on the wide class of molecules which possess quasi-degenerate vibrational…

Soft Condensed Matter · Physics 2007-05-23 Andrea Donarini , Milena Grifoni , Klaus Richter

The difficulty of description of the radiative transfer in disordered photonic crystals arises from the necessity to consider on the equal footing the wave scattering by periodic modulations of the dielectric function and by its random…

Disordered Systems and Neural Networks · Physics 2009-10-16 M. V. Erementchouk , L. I. Deych , H. Noh , H. Cao , A. A. Lisyansky

Charge symmetry breaking (CSB) in the strong interaction occurs because of the difference between the masses of the up and down quarks. The use of effective field theories allows us to follow this influence of confined quarks in hadronic…

Nuclear Experiment · Physics 2008-11-26 Gerald A Miller , Allena K. Opper , Edward J. Stephenson

We report on observation of the time reversal symmetry breaking in unpolarized neutrons scattering experiment. Neutron transmittivity through the system consisting of two magnetic mirrors placed in an external magnetic field is measured.…

Mesoscale and Nanoscale Physics · Physics 2015-03-26 D. A. Tatarskiy , A. V. Petrenko , S. N. Vdovichev , O. G. Udalov , Yu. V. Nikitenko , A. A. Fraerman

We evolve nonadiabatic charged spherical distributions of matter. Dissipation is described by the free-streaming approximation. We match a self-similar interior solution with the Reissner-Nordstr\"om-Vaidya exterior solution. The transport…

General Relativity and Quantum Cosmology · Physics 2011-09-28 W. Barreto , L. Rosales