The phrase "a fundamental gap" is correct and usable in written English.
It can be used to describe a significant deficiency or lack of understanding in a particular area or subject.
Example: "The research revealed a fundamental gap in our knowledge of climate change impacts on biodiversity."
Alternatives: "a critical deficiency" or "a significant shortfall."
The discovery of a new particle, decades after the Higgs was predicted, fills a fundamental gap in understanding the universe.
Lippmann identified a fundamental gap between what we naturally expect from democracy and what we know to be true about people.
There was a "fundamental gap in the gathering and sharing of information between stakeholders", with council witnesses complaining that there was a "long history of Ofsted ignoring our concerns" following complaints.
Now, even if we manage to rein in health costs, we'll still have a long-run deficit problem — a fundamental gap between the government's spending and the amount it collects in taxes.
In a recent study with two other co-authors‡, Mr Mehra, one of the economists who started it all, argues that the equity premium is so high because there is a fundamental gap between the investment goals of young and middle-aged workers.
Furthermore, there is a fundamental gap between the requirements on software specified by systems engineers and the implementation of these requirements by software engineers.
This lament is not an intellectual stunt but speaks to a formidable fundamental gap in the understanding of medicine's mission that I nominate to be the assertion and assurance of the human potential.
The paper reveals an existing fundamental gap in the reactor development path associated with the lack of necessary amounts of tritium for the reactor design development.
From a hermeneutical perspective, the fundamental gap between the context in which the great faith traditions of humankind emerged, and today's totally different modern business experience appears to be prohibitive.
There would be no special value in 'creative leaps,' no fundamental gap between solving a problem and recognizing the solution once it's found.
Mr. Miller predicts fissures in the relationship, the result of a "fundamental expectations gap" in which Mr. Obama expects more from the peace talks than Mr. Netanyahu will be able to deliver.
