The research interests of G.E. Astrakharchik encompass a wide spectrum of theoretical physics topics, with a primary focus on investigating the properties of cold quantum gases. Research endeavors involve a blend of numerical methodologies like variational and diffusion Monte Carlo techniques, alongside analytical methods such as Gross-Pitaevskii theory and Bethe-ansatz methods. A key area of exploration lies in examining two-component Fermi gases in the BCS-BEC crossover regime, studying correlation functions and gap phenomena across different theoretical frameworks. Furthermore, investigations extend to two-dimensional systems with Coulomb interactions, quantum phase transitions in dipoles, behavior of weakly-interacting Bose gases in various geometries, polaron physics, and more.

Short CV

G. E. Astrakharchik is a distinguished theoretical physicist with a strong academic background and expertise in Monte Carlo methods and computer simulations applied to various states of matter. Graduating from the Moscow Institute of Physics and Technology in 2002, G. E. Astrakharchik earned both Bachelor and Master degrees. His research journey continued at the University of Trento, Italy, where he obtained a Laurea "dottore" degree in 2001, under the supervision of Lev Pitaevskii and Stefano Giorgini. This was followed by the completion of a PhD title from the University of Trento in 2004, and a second PhD degree from Moscow Institute of Physics and Technology in 2005. Subsequently, G. E. Astrakharchik spent several postdoctoral positions in Trento, Italy, and Barcelona, Spain.
Throughout his career, G. E. Astrakharchik has made substantial contributions to the field of theoretical physics. His research spans a wide range of topics, including the prediction of two-component fermi gases, the identification of errors in classical works, and the study of one-dimensional systems with realistic interactions. Notably, his expertise in Monte Carlo methods has led to precise predictions and exact solutions to long standing theoretical problems. G. E. Astrakharchik contributions have been recognized with awards such as the Hermann Kummel Early Achievement Award for his work on the BCS-BEC crossover.
In addition to his research endeavors, G. E. Astrakharchik is actively involved in academia, teaching at UPC and UB. He has also played a key role in organizing scientific seminars and workshops within the Barcelona Quantum Monte Carlo group since 2008. With a dedication to both research and education, G. E. Astrakharchik continues to make significant contributions to the advancement of theoretical physics.