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Publications Influence

The Langevin equation : with applications to stochastic problems in physics, chemistry, and electrical engineering

- W. Coffey, Y. P. Kalmykov
- Physics
- 31 July 2012

Historical Background and Introductory Concepts Methods for Solving Langevin and Fokker-Planck Equations Matrix Continued Fractions Escape Rate Theory Linear and Nonlinear Response Theory Brownian… Expand

383 27- PDF

Thermal Fluctuations of Magnetic Nanoparticles: Fifty Years After Brown

- W. Coffey, Y. P. Kalmykov
- Chemistry
- 29 January 2013

35 5

The Langevin Equation: With Applications in Physics, Chemistry and Electrical Engineering

- W. Coffey, Y. P. Kalmykov, J. Waldron
- Physics
- 1 July 1996

The concept of a random process the Brownian motion of a free particle - the velocity distribution the Brownian motion of a free particle - the distribution of the displacements one-dimensional… Expand

212 3

Transverse complex magnetic susceptibility of single-domain ferromagnetic particles with uniaxial anisotropy subjected to a longitudinal uniform magnetic field

- Y. P. Kalmykov, W. Coffey
- Physics
- 1 August 1997

The infinite hierarchy of differential-recurrence relations for the equilibrium transverse correlation functions appropriate to magnetic relaxation of single-domain ferromagnetic particles with… Expand

27 3- PDF

Thermally Activated Relaxation Time of a Single Domain Ferromagnetic Particle Subjected to a Uniform Field at an Oblique Angle to the Easy Axis: Comparison with Experimental Observations

- W. Coffey, D. Crothers, J. Dormann, Y. P. Kalmykov, E. C. Kennedy, W. Wernsdorfer
- Physics
- 22 June 1998

W. T. Coffey,1,* D. S. F. Crothers,2 J. L. Dormann,3 Yu. P. Kalmykov,4 E. C. Kennedy,2 and W. Wernsdorfer5 1Department of Electronic & Electrical Engineering, Trinity College, Dublin 2, Ireland… Expand

141 2

Inertial effects in the orientational relaxation of rodlike molecules in a uniaxial potential.

- Y. P. Kalmykov, S. Titov, W. Coffey
- Chemistry, Medicine
- The Journal of chemical physics
- 13 February 2009

The inertial rotational Brownian motion and dielectric relaxation of an assembly of noninteracting rodlike polar molecules in a uniaxial potential are studied. The infinite hierarchy of… Expand

6 2- PDF

Thermal fluctuations of magnetic nanoparticles: Fifty years after Brown

- W. Coffey, Y. P. Kalmykov
- Materials Science, Physics
- 3 September 2012

The reversal time, superparamagnetic relaxation time, of the magnetization of fine single domain ferromagnetic nanoparticles owing to thermal fluctuations plays a fundamental role in information… Expand

131 1- PDF

Wigner function approach to the quantum Brownian motion of a particle in a potential.

- W. Coffey, Y. P. Kalmykov, S. Titov, B. P. Mulligan
- Physics, Medicine
- Physical chemistry chemical physics : PCCP
- 26 June 2007

Recent progress in our understanding of quantum effects on the Brownian motion in an external potential is reviewed. This problem is ubiquitous in physics and chemistry, particularly in the context… Expand

49 1

Fractals, diffusion, and relaxation in disordered complex systems

- W. Coffey, Y. P. Kalmykov
- Chemistry
- 31 May 2006

Chapter 6. Fractal Physiology, Complexity, and the Fractional Calculus (Bruce J. West). Chapter 7. Physical Properties of Fractal Structures (Vitaly V. Novikov). Chapter 8. Fractional Rotational… Expand

52 1- PDF

Microscopic models for dielectric relaxation in disordered systems.

- Y. P. Kalmykov, W. Coffey, D. Crothers, S. V. Titov
- Physics, Medicine
- Physical review. E, Statistical, nonlinear, and…
- 21 October 2004

It is shown how the Debye rotational diffusion model of dielectric relaxation of polar molecules (which may be described in microscopic fashion as the diffusion limit of a discrete time random walk… Expand

54 1- PDF