Departament de Fìsica i Enginyeria Nuclear, Campus Nord B4-B5, Universitat Politècnica de Catalunya, Barcelona, Spain G.E. Astrakharchik, J. Boronat, O.N.Osychenko, Yu.E. Lozovik, Y. Lutsyshyn Grenoble, 7th of July, 2010 MONTE CARLO STUDY OF QUANTUM PHASE DIAGRAM OF RYDBERG ATOMS WITH REPULSIVE 1/r 6 INTERACTION
MOTIVATION
INTERACTION POTENTIAL
MODEL HAMILTONIAN
MONTE CARLO METHODS
GUIDING WAVE FUNCTION
CLASSICAL CRYSTAL
QUANTUM ZERO-TEMPERATURE PHASE TRANSITION
TYPICAL NUMBERS
LOW TEMPERATURE
HIGH TEMPERATURE
PEAK IN STRUCTURE FACTOR
TEMPERATURE GAS-SOLID TRANSITION
PHASE DIAGRAM
FCC vs HCP
WHICH MASS/KINETIC ENERGY?
CONCLUSIONS
THANK YOU VERY MUCH FOR YOUR ATTENTION!
INTERACTION POTENTIAL