Kavokin Kirill V
Spin Optics Laboratory, St. Petersburg State University, Ulyanovskaya 1, St. Petersburg 198504, Russia.
Nanomaterials (Basel). 2023 Jul 20;13(14):2120. doi: 10.3390/nano13142120.
We propose a method of cooling nuclear spin systems of solid-state nanostructures by applying a time-dependent magnetic field synchronized with spin fluctuations. Optical spin noise spectroscopy is considered a method of fluctuation control. Depending on the mutual orientation of the oscillating magnetic field and the probe light beam, cooling might be either provided by dynamic spin polarization in an external static field or result from population transfer between spin levels without build-up of a net magnetic moment ("true cooling").
我们提出了一种通过施加与自旋涨落同步的随时间变化的磁场来冷却固态纳米结构核自旋系统的方法。光学自旋噪声光谱被认为是一种涨落控制方法。根据振荡磁场与探测光束的相互取向，冷却既可以由外部静态场中的动态自旋极化提供，也可以由自旋能级之间的粒子转移产生，而不会积累净磁矩（“真正的冷却”）。
