background: anxiety among patients after surgery can affect their physiological and psychological well-being. the aim of this study was to investigate and compare the effects of benson’s relaxation and rhythmic breathing techniques on postoperative anxiety in candidates for the mastectomy surgery. methods: this randomized controlled clinical trial study was conducted with ninety patients in 201...

Background: The process of infertility comes along with various social, mental, physical and financial stresses. The process of IVF treatment makes about 1.3% of women depressed having much anxiety in terms of psychiatric health. This also makes an intervention with the process of treatment in this regard. The present study is to determine the impact of relaxation on anxiety and the result of I...

One-dimensional system of Brownian motions called Dyson’s model is the particle system with long-range repulsive forces acting between any pair of particles, where the strength of force is β/2 times the inverse of particle distance. When β = 2, it is realized as the Brownian motions in one dimension conditioned never to collide with each other. For any initial configuration, it is proved that D...