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 …

We investigate the superfluid (SF) to Bose-glass (BG) quantum phase transition using
extensive quantum Monte Carlo simulations of two-dimensional hard-core bosons in a …

Classical correlation functions of ground states typically decay exponentially and
polynomially, respectively, for gapped and gapless short-range quantum spin systems. In …

The quantum spin-liquid compound (C 4 H 12 N 2) Cu 2 Cl 6 is studied by muon spin
relaxation under hydrostatic pressures up to 23.6 kbar. At low temperatures, pressure …

Neutron scattering is used to study NiCl 2− 2 x Br 2 x· 4 SC (NH 2) 2, x= 0.06, a bond-
disordered modification of the well-known gapped S= 1 antiferromagnetic quantum spin …

For coupled-dimer magnets with quenched disorder, we introduce a generalization of the
bond-operator method, appropriate to describe both singlet and magnetically ordered …

In this paper we investigate the quantum phase transition from magnetic Bose Glass to
magnetic Bose-Einstein condensation induced by a magnetic field in NiCl 2· 4SC (NH 2) 2 …

We show that bipartite entanglement in an one-dimensional quantum spin model
undergoing time evolution due to local Markovian environments can be frozen over time. We …

We develop an inhomogeneous quantum mean-field approach to the behavior of collective
excitations across the superfluid–Mott glass quantum phase transition in two dimensions …

Eu 5 In 2 Sb 6 is an orthorhombic nonsymmorphic small band gap semiconductor with three
distinct Eu 2+ sites and two low-temperature magnetic phase transitions. The material …