Journal
AIP ADVANCES
Volume 9, Issue 9, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.5123794
Keywords
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Funding
- EPSRC [EP/R028656/1]
- School of Mathematics and Physics, University of Portsmouth
- EPSRC [EP/R028656/1] Funding Source: UKRI
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Landauer's principle formulated in 1961 states that logical irreversibility implies physical irreversibility and demonstrated that information is physical. Here we formulate a new principle of mass-energy-information equivalence proposing that a bit of information is not just physical, as already demonstrated, but it has a finite and quantifiable mass while it stores information. In this framework, it is shown that the mass of a bit of information at room temperature (300K) is 3.19 x 10(-38) Kg. To test the hypothesis we propose here an experiment, predicting that the mass of a data storage device would increase by a small amount when is full of digital information relative to its mass in erased state. For 1Tb device the estimated mass change is 2.5 x 10(-25) Kg.
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