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Publications Influence

A new approach to electromagnetic wave tails on a curved spacetime

- R. Mankin, T. Laas, R. Tammelo
- Physics
- 18 August 2000

We present an alternative method for constructing the exact and approximate solutions of electromagnetic wave equations whose source terms are arbitrary order multipoles on a curved spacetime. The… Expand

4 1- PDF

Three and four current reversals versus temperature in correlation ratchets with a simple sawtooth potential.

- R. Tammelo, R. Mankin, D. Martila
- Mathematics, Physics
- Physical review. E, Statistical, nonlinear, and…
- 1 July 2002

Transport of Brownian particles in a simple sawtooth potential subjected to both unbiased thermal and nonequilibrium symmetric three-level Markovian noise is considered. The effects of three and four… Expand

29- PDF

Diffusion and current of Brownian particles in tilted piecewise linear potentials: amplification and coherence.

- E. Heinsalu, R. Tammelo, T. Ord
- Mathematics, Medicine
- Physical review. E, Statistical, nonlinear, and…
- 1 February 2004

Overdamped motion of Brownian particles in tilted piecewise linear periodic potentials is considered. Explicit algebraic expressions for the diffusion coefficient, current, and coherence level of… Expand

17- PDF

Correlation ratchets: four current reversals and disjunct "windows".

- R. Mankin, R. Tammelo, D. Martila
- Mathematics, Medicine
- Physical review. E, Statistical, nonlinear, and…
- 25 October 2001

Multinoise correlation ratchets with a simple sawtooth potential are considered. It is proved that in the case of symmetric nonequilibrium three-level Markovian noise the direction and value of the… Expand

20

Mechanism of hypersensitive transport in tilted sharp ratchets.

- R. Mankin, A. Haljas, R. Tammelo, D. Martila
- Physics, Medicine
- Physical review. E, Statistical, nonlinear, and…
- 24 March 2003

The noise-flatness-induced hypersensitive transport of overdamped Brownian particles in a tilted ratchet system driven by multiplicative nonequilibrium three-level Markovian noise and additive white… Expand

20

Diffusion and coherence in tilted piecewise linear double-periodic potentials.

- E. Heinsalu, T. Ord, R. Tammelo
- Mathematics, Medicine
- Physical review. E, Statistical, nonlinear, and…
- 21 October 2004

In the present paper we study the overdamped motion of Brownian particles in tilted periodic piecewise linear potentials of two maxima per period. This system allows one to observe additional… Expand

9- PDF

Correlation between diffusion and coherence in Brownian motion on a tilted periodic potential

- E. Heinsalu, R. Tammelo, T. Örd
- Mathematics
- 1 September 2004

The paper studies the overdamped motion of Brownian particles in a tilted sawtooth potential. The dependencies of the diffusion coefficient and coherence level of Brownian transport on temperature,… Expand

2

Complementarity of phase transition and stochastic resonance in spatially restricted systems.

- A. Vargunin, T. Ord, R. Tammelo
- Mathematics, Medicine
- Physical review. E, Statistical, nonlinear, and…
- 26 June 2008

We study the linear response in a soft potential, the Landau-type temperature dependence of which is responsible for the monostable-to-bistable transformation. The system can be considered as a model… Expand

3

FAST TRACK COMMUNICATION: On phase transition and the critical size in spatially restricted systems

- A. Vargunin, T. Örd, R. Tammelo, N. Voropajeva
- Physics
- 10 September 2008

We study the finite-size effects on the critical temperature in spatially restricted systems with bulk second-order phase transition using the Fokker–Planck equation approach. It is established that… Expand

2

Deterministic and stochastic behavior in ferroelectric particles

- A. Vargunin, T. Örd, R. Tammelo
- Physics
- 8 December 2008

Abstract The response of a ferroelectric particle to an applied harmonic field is studied using the Fokker–Planck equation approach. The size effect in dielectric susceptibility is interpreted as the… Expand

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