We investigate the cooling phenomenon of a mechanical oscillator in a double-coupled cavity optomechanical system.Our model includes two single-mode optical cavities.The left cavity is an optomechanical system with an optical parametric amplifier, and the right cavity is a standard optical cavity.The two optical cavities couple with each other by e
Social-Democratic Underground of the Far East in the early XX Century: Public Records of the Center for Social and Political History
The research features public records concerning the Social-Democratic organizations of the Far East (Russia), stored in the collection of illegal publications at the Center for Social and Political History, the rare book section.The collection contains archival documents originating from the two largest Social-Democratic groups of the Far East loca
Web-Based Service Provision of HIV, Viral Hepatitis, and Sexually Transmitted Infection Prevention, Testing, Linkage, and Treatment for Key Populations: Systematic Review and Meta-analysis
BackgroundDespite the growth of web-based interventions for HIV, viral hepatitis (VH), and sexually transmitted infections (STIs) for key populations, the evidence for the effectiveness of these interventions ESTRO SENSE has not been reported.ObjectiveThis study aimed to inform the World Health Organization guidelines for HIV, VH, and STI preventio