That was the limit of just one experimental approach that was peer reviewed and published in a major journal. As you can see there are many experiments validati

That was the limit of just one experimental approach that was peer reviewed and published in a major journal. As you can see there are many experiments validating the limit and none invalidating it. The reality is that the Landauer limit is vanishingly small. I would encourage you to review the experiment methodology and see if you can come up with better, fundable methods.