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- Alexei Chepelianskii
- ArXiv
- 2010

- Alexei Chepelianskii, Frédéric Chevy, E Raphaël
- Physical review letters
- 2008

We investigate theoretically and experimentally the capillary-gravity waves created by a small object moving steadily at the water-air interface along a circular trajectory. It is well established that, for straight uniform motion, no steady waves appear at velocities below the minimum phase velocity c(min)=23 cm s(-1). We demonstrate that no such velocity… (More)

- Leonardo Ermann, Alexei Chepelianskii, Dima Shepelyansky
- ArXiv
- 2010

We study the properties of spectrum and eigenstates of the Google matrix of a directed network formed by the procedure calls in the Linux Kernel. Our results obtained for various versions of the Linux Kernel show that the spectrum is characterized by the fractal Weyl law established recently for systems of quantum chaotic scattering and the Perron-Frobenius… (More)

- Sam L. Bayliss, Alexei Chepelianskii, +5 authors Neil C. Greenham
- Physical review letters
- 2014

We report the simultaneous observation of geminate and nongeminate triplet-triplet annihilation in a solution-processable small molecule TIPS-tetracene undergoing singlet exciton fission. Using optically detected magnetic resonance, we identify recombination of triplet pairs directly following singlet fission, as well as recombination of triplet excitons… (More)

- Leonardo Ermann, Alexei Chepelianskii, Dima Shepelyansky
- ArXiv
- 2011

We study the statistical properties of various directed networks using ranking of their nodes based on the dominant vectors of the Google matrix known as PageRank and CheiRank. On average PageRank orders nodes proportionally to a number of ingoing links, while CheiRank orders nodes proportionally to a number of outgoing links. In this way the ranking of… (More)

- JianPu Wang, Alexei Chepelianskii, Feng Gao, Neil C. Greenham
- Nature communications
- 2012

Spintronics based on organic semiconductor materials is attractive because of its rich fundamental physics and potential for device applications. Manipulating spins is obviously important for spintronics, and is usually achieved by using magnetic electrodes. Here we show a new approach where spin populations can be controlled primarily by energetics rather… (More)

- Alexei Chepelianskii, Masamitsu Watanabe, Kostyantyn Nasyedkin, Kimitoshi Kono, Denis Konstantinov
- Nature communications
- 2015

Two-dimensional electrons in a magnetic field can form new states of matter characterized by topological properties and strong electronic correlations as displayed in the integer and fractional quantum Hall states. In these states, the electron liquid displays several spectacular characteristics, which manifest themselves in transport experiments with the… (More)

- Alexei Chepelianskii, Dima Shepelyansky
- Physical review letters
- 2001

We study numerically and analytically the dynamics of charged particles on the Galton board, a regular lattice of disk scatters, in the presence of constant external force, magnetic field, and friction. It is shown that under certain conditions friction leads to the appearance of a strange chaotic attractor. In this regime the average velocity and direction… (More)

We develop a theoretic description of the photogalvanic current induced by a high frequency radiation in asymmetric nanostructures and show that it describes well the results of numerical simulations. Our studies allow to understand the origin of the electronic ratchet transport in such systems and show that they can be used for creation of new types of… (More)

- Alexei Chepelianskii, Michael Schindler, Frédéric Chevy, E Raphaël
- Physical review. E, Statistical, nonlinear, and…
- 2010

We investigate theoretically the onset of capillary-gravity waves created by a small object moving at the water-air interface. It is well established that, for straight uniform motion, no steady waves appear at velocities below the minimum phase velocity c(min)=23 cm/s. At higher velocities, the emission of capillary-gravity waves creates an additional drag… (More)