numerical simulations of strongly correlated electron and spin systems

... techniques have often contributed to our understanding of these systems. Exact Diagonalization (ED) requires the storage of at least two vectors the size of the Hilbert space under consideration (which grows exponentially with system size) which makes it affordable only for small systems. The Densit ...

... techniques have often contributed to our understanding of these systems. Exact Diagonalization (ED) requires the storage of at least two vectors the size of the Hilbert space under consideration (which grows exponentially with system size) which makes it affordable only for small systems. The Densit ...

Strongly correlated quantum physics with cold atoms - Max

... This bosonic state can be created by a dynamical process that involves crossing a quantum phase transition and which is supported by the symmetries of the physical system. We characterize the final state by means of a measurable two-particle correlator that detects both the presence of the pairs and ...

... This bosonic state can be created by a dynamical process that involves crossing a quantum phase transition and which is supported by the symmetries of the physical system. We characterize the final state by means of a measurable two-particle correlator that detects both the presence of the pairs and ...

Trento 2001 - Università degli Studi dell`Insubria

... VMC is a “classical” simulation method Nature is not classical, dammit, and if you want to make a simulation of nature, you'd better make it quantum mechanical, and by golly it's a wonderful problem, because it doesn't look so easy. Richard P. Feynman ...

... VMC is a “classical” simulation method Nature is not classical, dammit, and if you want to make a simulation of nature, you'd better make it quantum mechanical, and by golly it's a wonderful problem, because it doesn't look so easy. Richard P. Feynman ...

Elastic rod model of a supercoiled DNA molecule

... Developing a theory beyond the elastic regime is a much more diﬃcult task, since such a theory should involve both the self-repulsion of the chain (necessary to prevent a collapse of plectonemes), and the possibility of denaturation. Some ﬁrst attempts in these directions can be found in [13,14]. Re ...

... Developing a theory beyond the elastic regime is a much more diﬃcult task, since such a theory should involve both the self-repulsion of the chain (necessary to prevent a collapse of plectonemes), and the possibility of denaturation. Some ﬁrst attempts in these directions can be found in [13,14]. Re ...

On Fractional Schrödinger Equation and Its Application

... Complex systems (CS) are frequent in nature. Mathematical methods can be helpful in understanding them. Motivated by the properties of CS we concluded that Fractional order systems are more suitable for describing CS for the following reasons: First they are more natural in describing fractal system ...

... Complex systems (CS) are frequent in nature. Mathematical methods can be helpful in understanding them. Motivated by the properties of CS we concluded that Fractional order systems are more suitable for describing CS for the following reasons: First they are more natural in describing fractal system ...

Electron-electron scattering in linear transport in two

... the scale over which t («) varies, there can be significant differences in the calculated mobility using the two different methods. For example, we show below that in particular cases in GaAs quantum wells, m 0 / m ` '2. Thus, for accurate theoretical determination of the mobility at the semiclassic ...

... the scale over which t («) varies, there can be significant differences in the calculated mobility using the two different methods. For example, we show below that in particular cases in GaAs quantum wells, m 0 / m ` '2. Thus, for accurate theoretical determination of the mobility at the semiclassic ...