Continuous quantum phase transitions

SL Sondhi, SM Girvin, JP Carini, D Shahar - Reviews of modern physics, 1997 - APS
A quantum system can undergo a continuous phase transition at the absolute zero of
temperature as some parameter entering its Hamiltonian is varied. These transitions are …

Superconductor-insulator transition in two-dimensional dirty boson systems

M Wallin, ES So, SM Girvin, AP Young - Physical Review B, 1994 - APS
Universal properties of the zero-temperature superconductor-insulator transition in two-
dimensional amorphous films are studied by extensive Monte Carlo simulations of bosons in …

[HTML][HTML] Dirty-boson physics with magnetic insulators

A Zheludev, T Roscilde - Comptes Rendus Physique, 2013 - Elsevier
We review recent theoretical and experimental efforts aimed at the investigation of the
physics of interacting disordered bosons (so-called dirty bosons) in the context of quantum …

Universal conductivity of dirty bosons at the superconductor-insulator transition

ES Sørensen, M Wallin, SM Girvin, AP Young - Physical review letters, 1992 - APS
The superconductor-insulator transition at zero temperature in two dimensions is studied by
Monte Carlo simulations of interacting bosons (Cooper pairs) moving in a quenched random …

Some basic aspects of quantum phase transitions

DV Shopova, DI Uzunov - Physics reports, 2003 - Elsevier
Several basic problems of the theory of quantum phase transitions are reviewed. The effect
of the quantum correlations on the phase transition properties is considered with the help of …

Particle-hole symmetry and the dirty boson problem

PB Weichman, R Mukhopadhyay - Physical Review B—Condensed Matter and …, 2008 - APS
We study the role of particle-hole symmetry on the universality class of various quantum
phase transitions corresponding to the onset of superfluidity at zero temperature of bosons …

Dual theory of the superfluid-Bose-glass transition in the disordered Bose-Hubbard model in one and two dimensions

IF Herbut - Physical Review B, 1998 - APS
I study the zero-temperature phase transition between the superfluid and the insulating
ground states of the Bose-Hubbard model in a random chemical potential and at large …

Quantum critical scaling of dirty bosons in two dimensions

R Ng, ES Sørensen - Physical Review Letters, 2015 - APS
We determine the dynamical critical exponent z appearing at the Bose glass to superfluid
transition in two dimensions by performing large scale numerical studies of two …

Bose-glass to superfluid transition in the three-dimensional Bose-Hubbard model

P Hitchcock, ES Sørensen - Physical Review B—Condensed Matter and …, 2006 - APS
We present a Monte Carlo study of the Bose glass to superfluid transition in the three-
dimensional Bose-Hubbard model. Simulations are performed on the classical (3+ 1) …

Bosons in a random potential: condensation and screening in a dense limit

DKK Lee, JMF Gunn - Journal of Physics: Condensed Matter, 1990 - iopscience.iop.org
The authors demonstrate that an extended Bose condensate can be stable in a random
potential for a suitable weak-repulsive limit of a dense Bose gas, even though the non …