2 papers
quant-ph2009
Matrix Product States and Quantum Phase Transitions
K. Heshami, S. Raeisi
We have developed a new approach based on matrix product representations of ground states to study Quantum Phase Transitions (QPT). As confirmation of the power of our approach we…
physics.soc-ph2008
How long does it take a society to learn a new term?
Sadegh Raeisi
In this paper, I study the diffusion of new terms, called neologism, in social networks. I consider it as an example of information dynamics on networks and I hope that solving thi…