TY - JOUR
T1 - Finite-Temperature Disordered Bosons in Two Dimensions
AU - Bertoli, G.
AU - Michal, V. P.
AU - Altshuler, B. L.
AU - Shlyapnikov, G. V.
PY - 2018
Y1 - 2018
N2 - We study phase transitions in a two dimensional weakly interacting Bose gas in a random potential at finite temperatures. We identify superfluid, normal fluid, and insulator phases and construct the phase diagram. At T=0 one has a tricritical point where the three phases coexist. The truncation of the energy distribution at the trap barrier, which is a generic phenomenon in cold atom systems, limits the growth of the localization length and in contrast to the thermodynamic limit the insulator phase is present at any temperature.
AB - We study phase transitions in a two dimensional weakly interacting Bose gas in a random potential at finite temperatures. We identify superfluid, normal fluid, and insulator phases and construct the phase diagram. At T=0 one has a tricritical point where the three phases coexist. The truncation of the energy distribution at the trap barrier, which is a generic phenomenon in cold atom systems, limits the growth of the localization length and in contrast to the thermodynamic limit the insulator phase is present at any temperature.
UR - http://resolver.tudelft.nl/uuid: a90340b2-0940-43a5-9672-2d49df70399a
UR - http://www.scopus.com/inward/record.url?scp=85050192222&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.121.030403
DO - 10.1103/PhysRevLett.121.030403
M3 - Article
AN - SCOPUS:85050192222
SN - 0031-9007
VL - 121
JO - Physical Review Letters
JF - Physical Review Letters
IS - 3
M1 - 030403
ER -