The current standard is the Langston Field that originated in Niven and Pournelle's The Mote in God's Eye. It was invented by Dr. Dan Alderson as per spec the limits desired by Niven & Pournelle. It was specifically designed in order to allow dramatic space opera combat scenes in scifi stories, but with interesting rules making interesting limitations.
For that reason it is also used in some scifi war games.
https://www.projectrho.com/public_html/rocket/spacewardefense.php#langston
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Fascinating... this is making me want to re-read Mote, as I didn't recall this element of the story.
I did remember the term "Alderson Drive" though!
Apparently Dan Alderson appears in-world as the discoverer of the "Alderson force" that enables the interstellar drive: