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Using computer simulations, we have studied the percolation and the electrical conductance of two-dimensional, random percolating networks of curved, zero-width metallic nanowires. We mimicked the curved nanowires using circular arcs. The…

Statistical Mechanics · Physics 2023-05-01 Yuri Yu. Tarasevich , Andrei V. Eserkepov , Irina V. Vodolazskaya

Good understanding of the cross sections for (anti)neutrino scattering off nuclear targets in the few-GeV energy region is a prerequisite for the correct interpretation of results of ongoing and planned oscillation experiments. To clarify a…

High Energy Physics - Phenomenology · Physics 2015-06-10 Artur M. Ankowski

For the last few decades, one-nucleon knockout reactions on light composite targets -- $^9$Be or $^{12}$C -- have been extensively used to study the single-particle (s.p.) structure of nuclei far from stability. To determine which…

Nuclear Theory · Physics 2023-11-21 Chloë Hebborn , Pierre Capel

We analyze the level crossing rate (LCR) and the average fade duration of the output signal-to-noise-ratio (SNR) in generalized switched diversity systems. By using a common approach, we study these higher order statistics for two different…

Information Theory · Computer Science 2017-04-26 Adrián Sauco-Gallardo , Unai Fernández-Plazaola , Luis Díez , Eduardo Martos-Naya

We develop a microscopic model for fluorescence of a molecule (or semiconductor quantum dot) near a small metal nanoparticle. When a molecule is situated close to metal surface, its fluorescence is quenched due to energy transfer to the…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Vitaliy N. Pustovit , Tigran V. Shahbazyan

We have observed a nearly fourfold increase in the electron spin resonance (ESR) signal from an ensemble of single-walled carbon nanotubes (SWCNTs) due to oxygen desorption. By performing temperature-dependent ESR spectroscopy both before…

Materials Science · Physics 2012-05-08 W. D. Rice , R. T. Weber , A. D. Leonard , J. M. Tour , P. Nikolaev , S. Arepalli , V. Berka , A. -L. Tsai , J. Kono

To understand and optimize optical spin initialization in room temperature CdSe nanocrystal quantum dots (NCQDs) we studied the dependence of the time-resolved Faraday rotation signal on pump energy $E_p$ in a series of NCQD samples with…

Mesoscale and Nanoscale Physics · Physics 2014-07-22 A. Khastehdel Fumani , J. Berezovsky

We present new data probing short-range correlations (SRCs) in nuclei through the measurement of electron scattering off high-momentum nucleons in nuclei. The inclusive 4He/3He cross section ratio is observed to be both x and Q2 independent…

The prospects of extracting new physics signals in coherent elastic neutrino--nucleus scattering (CE$\nu$NS) processes are limited by the precision with which the underlying nuclear structure physics, embedded in the weak nuclear form…

Nuclear Theory · Physics 2023-04-27 N. Van Dessel , V. Pandey , H. Ray , N. Jachowicz

The exciton states of strained CdTe/CdS core-shell tetrapod-shaped nanocrystals were theoretically investigated by the numerical diagonalization of a configuration interaction Hamiltonian based on the single-band effective mass…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Yuanzhao Yao , Takashi Kuroda , Dmitry N. Dirin , Maria S. Sokolikova , Roman B. Vasiliev

Experimentally observed superdeformed (SD) rotational bands in $^{36}$Ar and $^{40}$Ar are studied by the cranked shell model (CSM) with the paring correlations treated by a particle-number-conserving (PNC) method. This is the first time…

Nuclear Theory · Physics 2020-03-10 Xu-Hui Xiang , Xiao-Tao He

Semiconductor nanoplatelets possess exceptional optical properties that make them promising candidates for next-generation optoelectronic applications. However, unlike quantum dots where absorption spectroscopy alone can determine both size…

A detailed understanding of energy transduction is crucial for achieving precise control of energy flow in complex, integrated systems. In this context, carbon nanotubes (CNTs) are intriguing model systems due to their rich,…

Mesoscale and Nanoscale Physics · Physics 2011-02-16 Eyal Shafran , Benjamin D. Mangum , Jordan M. Gerton

The hyperpolarization of nuclear spins can enable powerful imaging and sensing techniques provided the hyperpolarization is sufficiently long-lived. Recent experiments on nanodiamond $^{13}$C nuclear spins demonstrate that relaxation times…

Mesoscale and Nanoscale Physics · Physics 2024-02-20 Gargee Sharma , Torsten Gaebel , Ewa Rej , David J. Reilly , Sophia E. Economou , Edwin Barnes

Type-I X-ray bursts are rapid-brightening transient phenomena on the surfaces of accreting neutron stars (NSs). Some X-ray bursts, called {\it clocked bursters}, exhibit regular behavior with similar light curve profiles in their burst…

High Energy Astrophysical Phenomena · Physics 2023-11-07 Akira Dohi , Wataru Iwakiri , Nobuya Nishimura , Tsuneo Noda , Shigehiro Nagataki , Masa-aki Hashimoto

We study the statistics of the fluorescence decay rates for single quantum emitters embedded in a scattering medium undergoing a phase transition. Under certain circumstances, the structural properties of the scattering medium explore a…

Mesoscale and Nanoscale Physics · Physics 2016-10-26 N. de Sousa , J. J. Sáenz , F. Scheffold , A. García-Martín , L. S. Froufe-Pérez

During last 20 years there was revealed and published the phenomenon of the appearing of the time advance instead of the time delay at the region of a compound-nucleus resonance, distorted by the non-resonant background (in the…

Nuclear Theory · Physics 2015-05-27 V. S. Olkhovsky , M. E. Dolinska , S. A. Omelchenko

The surface ligands on colloidal nanocrystals (NCs) play an important role in the performance of NCs based optoelectronic devices such as photovoltaic cells, photodetectors and light emitting diodes (LEDs). On one hand, the NC emission…

Chemical Physics · Physics 2020-04-27 Prachi Rastogi , Francisco Palazon , Mirko Prato , Francesco Di Stasio , Roman Krahne

Quantum confinement significantly influences the excited states of sub-10 nm single-walled carbon nanotubes (SWCNTs), crucial for advancements in transistor technology and the development of novel opto-electronic materials such as…

Mesoscale and Nanoscale Physics · Physics 2024-10-30 Benjamin Eller , Charles W. Clark , YuHuang Wang

Efforts to modulate the electronic properties of atomically thin crystalline nanoribbons requires precise control over their morphology. Here, we perform atomistic simulations on freestanding graphene nanoribbons (GNRs) to first identify…

Mesoscale and Nanoscale Physics · Physics 2011-07-21 Hailong Wang , Moneesh Upmanyu
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