Breakdown of the adiabatic limit in low-dimensional gapless systems
When a thermodynamic system is changed sufficiently slowly, entropy is generally conserved and the process is adiabatic, and therefore reversible. However, this adiabaticity does not seem to hold for low-dimensional systems with a high-density of low-energy states.
AP - The plan was nothing if not audacious: A turncoat persuades rebels to bring together their most prized hostages and march them 90 miles through Colombia's wilderness. A month later, disguised commandos primed with acting lessons land in a helicopter and trick the rebels into handing them over.
Reuters - The investigation of a salmonella
outbreak in the United States is shifting to the southern
border to encompass produce imported from Mexico, CNN reported
on Thursday.
