Three-level precise temperature control
A three-level single-spin system based on nitrogen-vacancy centers enables direct measurement of non-equilibrium work distribution via high-fidelity single-shot readout, extending experimental tests of quantum thermodynamics to multilevel systems.
Liu, Wenquan · Zhibo, Niu · Cheng, Wei · Xin, Li · DUAN, Changkui · Yin, Zhangqi · Rong, Xing · Du, Jiangfeng
Physical Review Letters 2023
Achieved nondemolition projective measurement of a three-level system
Verified the Jarzynski equality from nonadiabatic to adiabatic zone
Verified the Jarzynski equality under different effective temperatures