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- J. Ruseckas, Bronislovas Kaulakys
- Physical review. E, Statistical, nonlinear, and…
- 2010

We consider a class of nonlinear stochastic differential equations, giving the power-law behavior of the power spectral density in any desirably wide range of frequency. Such equations were obtained… (More)

- Razmik G Unanyan, Johannes S. Otterbach, Michael Fleischhauer, J. Ruseckas, Viačeslav Kudriašov, Gediminas Juzeliūnas
- Physical review letters
- 2010

We consider the interaction of two weak probe fields of light with an atomic ensemble coherently driven by two pairs of standing wave laser fields in a tripod-type linkage scheme. The system is shown… (More)

We present a nonlinear stochastic differential equation (SDE) which mimics the probability density function (PDF) of the return and the power spectrum of the absolute return in financial markets.… (More)

- Bronislovas Kaulakys, J. Ruseckas
- Physical review. E, Statistical, nonlinear, and…
- 2004

Starting from the simple point process model of 1/f noise, we derive a stochastic nonlinear differential equation for the signal exhibiting 1/f noise, in any desirably wide range of frequency. A… (More)

- J. Ruseckas, Gediminas Juzeliūnas, Patrik Ohberg, Michael Fleischhauer
- Physical review letters
- 2005

We show that the adiabatic motion of ultracold, multilevel atoms in spatially varying laser fields can give rise to effective non-Abelian gauge fields if degenerate adiabatic eigenstates of the… (More)

- Alessio Celi, Pietro Massignan, +4 authors Maciej Lewenstein
- Physical review letters
- 2014

We describe a simple technique for generating a cold-atom lattice pierced by a uniform magnetic field. Our method is to extend a one-dimensional optical lattice into the "dimension" provided by the… (More)

- Johannes S. Otterbach, J. Ruseckas, Razmik G Unanyan, Gediminas Juzeliūnas, Michael Fleischhauer
- Physical review letters
- 2010

We describe a method to create effective gauge potentials for stationary-light polaritons. When stationary light is created in the interaction with a rotating ensemble of coherently driven… (More)

- Gediminas Juzeli, nas, J. Ruseckas, Markus Lindberg, Luis Santos, Patrik Öhberg
- 2008

Gediminas Juzeliūnas, Julius Ruseckas, Markus Lindberg, Luis Santos, and Patrik Öhberg Institute of Theoretical Physics and Astronomy of Vilnius University, A. Goštauto 12, Vilnius 01108, Lithuania… (More)

- G. Juzeli, Patrik Öhberg, J. Ruseckas, Andreas Klein
- 2005

We investigate the influence of two resonant laser beams on the mechanical properties of degenerate atomic gases. The control and probe beams of light are considered to have orbital angular momenta… (More)

- Gediminas Juzeliūnas, J. Ruseckas, Andreas Jacob, Luis Esteves dos Santos, Patrik Ohberg
- Physical review letters
- 2008

Atom reflection is studied in the presence of a non-Abelian vector potential proportional to a spin-1/2 operator. The potential is produced by a relatively simple laser configuration for atoms with a… (More)