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- Alexander L. Kupershtokh
- Computers & Mathematics with Applications
- 2010

- Alexander L. Kupershtokh
- Computers & Mathematics with Applications
- 2011

We propose several simple interpolations of the isotherms for real fluids in the region below the binodal curve, where data concerning the equation of state is absent, especially in the thermodynamically prohibited region. All interpolations satisfy the boundary conditions at the points on the binodal curve. The Maxwell rule is also fulfilled. As an… (More)

- Dmitry Medvedev, Alexander Kupershtokh, Igor Gribanov
- 2014

The Lattice Boltzmann method (LBM) is widely used to simulate fluid flows. The evolution equation for the discrete velocity distribution functions is f k (x, t) = f k (x − c k ∆t, t − ∆t) + Ω k ({f }) + ∆f k. Here, ∆f k is the change of distribution functions due to action of volume forces. It is calculated using the exact difference method (EDM) [1] as ∆f… (More)

- Aaron Pace Vandevender, Nancy Vandevender, Raymond Menegus, Alexander Kupershtokh, Selim Shahriar, Paul G Kwiat
- 2007

We demonstrate the utility of frequency upconversion in a non-linear crystal for quantum information applications. By combining a bright " escort " beam with a signal photon inside of a periodically poled lithium niobate (PPLN) crystal, we are able to achieve near unit conversion efficiency. We use this conversion process to create high-efficiency infrared… (More)

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