We obtain analytical expressions for the total magnetic moment and the static spin-correlation functions of the classical Heisenberg model for ultrasmall systems of spins ~u it vectors!, thatâ€¦ (More)

We investigate liquid crystalline phases with nematic order at 3 -filling of the valence Landau level (LL). We generalize Laughlinâ€™s fractional quantum Hall (QH) effect wavefunction at Î½ = 3 toâ€¦ (More)

â€“ Strongly correlated two-dimensional electronic systems subject to a perpendicular magnetic field at lowest Landau level (LLL) filling factors: 1/2, 1/4 and 1/6 are believed to be composite fermionâ€¦ (More)

The Jainâ€™s composite fermion wavefunction has proven quite succesful to describe most of the fractional quantum Hall states. Its mathematical foundation lies in the Chern-Simons field theory for theâ€¦ (More)

There have been intense research efforts over the last years focused on understanding the Rashba spin-orbit coupling effect from the perspective of possible spintronics applications. An importantâ€¦ (More)

Based on the Kosterlitz-Thouless-Halperin-Nelson-Young (KTHNY) theory of two-dimensional melting and the analogy between Laughlin states and the two-dimensional one-component plasma (2DOCP), weâ€¦ (More)

It is well known that magnetic domains in nanodisks can be used as storage units for computer memory. Using two quantum simulation approaches, we show here that spin vortices on magnetic monolayerâ€¦ (More)

We investigate broken rotational symmetry ~BRS! states for the fractional quantum Hall effect ~FQHE! at 1 3 filling of the valence Landau level ~LL !. Recent Monte Carlo calculations by Musaelian andâ€¦ (More)

A trial wave function for two-dimensional quantum-dot helium in an arbitrary perpendicular magnetic field a system of two interacting electrons in a two-dimensional parabolic confinement potential isâ€¦ (More)

Many ground state studies of He using a shadow wave function with an inverse fifth power McMillan particle-particle correlation function have yielded radial distribution functions with misplacedâ€¦ (More)