2 papers
quant-ph2026
Ergotropic Mpemba crossings in finite-dimensional quantum batteries
Triyas Sapui, Tanoy Kanti Konar, Aditi Sen De
The quantum Mpemba effect is a counterintuitive phenomenon in which a state initially farther from equilibrium relaxes more rapidly than one that starts nearer to equilibrium. In t…
quant-ph2025
Advancing Quantum Otto Engine Performance via Additional Magnetic Field and Effective Negative Temperature
Arghya Maity, Aditi Sen De
We formulate a protocol for a four-stroke quantum Otto engine that is capable of achieving superior performance when operating between two thermal reservoirs: one at a positive spi…