We investigate dissipative phase transitions in an open central spin system. In our model the
central spin interacts coherently with the surrounding many-particle spin environment and is …

The theory of spin noise in low-dimensional systems and bulk semiconductors is reviewed.
Spin noise is usually detected by optical means continuously measuring the rotation angle …

In recent years, the physics community has experienced a revival of interest in spin effects in
solid state systems. On one hand, the solid state systems, particularly, semiconductors and …

We review recent theoretical and experimental advances toward understanding the effects
of nuclear spins in confined nanostructures. These systems, which include quantum dots …

Central spin systems, in which a central spin is singled out and interacts nonlocally with
several bath spins, are paradigmatic models for nitrogen-vacancy centers and quantum …

For a model with many-to-one connectivity it is widely expected that mean-field theory
captures the exact many-particle N→∞ limit, and that higher-order cumulant expansions of …

We investigate a quantum heat engine with a working substance of two particles, one with a
spin-1/2 and the other with an arbitrary spin (spin s), coupled by Heisenberg exchange …

We present a combination of analytic calculations and a powerful numerical method for
large spin baths in the low-field limit. The hyperfine interaction between the central spin and …

We obtain a compact analytical solution for the nonlinear equation for the nuclear spin
dynamics in the central spin box model in the limit of many nuclear spins. The total nuclear …

We discuss the semiclassical and classical character of the dynamics of a single spin 1/2
coupled to a bath of noninteracting spins 1/2. On the semiclassical level, we extend our …