A scientist has an index of if h of their papers have at least h citations each.
The jump from h‑index 4 to h‑index 40 requires roughly 40 papers with 40+ citations each. That takes most researchers 8–15 years. However, the good news is that citations grow exponentially. Once you have 5–10 well-cited papers, subsequent papers get cited more easily because your name gains authority. hindex of 4 top
In most fields, a 4 would be considered low for a senior faculty member, where expectations often climb into the 15–30+ range. 2. By Field of Study Citation cultures vary wildly. A scientist has an index of if h