• Sweeping from the supe...
• Superfluid to Mott-ins...
• Semiclassical quantiza...
• Quantum rotor descript...
• Phase diagram and ther...
• Three-dimensional soli...
• Numerical study of dis...
• Superfluid - Bose glas...
• Ground-state propertie...
• Absence of a Slater Tr...