Events Calendar
From strong passivity to extended second law of thermodynamics
Wednesday November 8, 2017
| 4:00 pm
Tweet |
Presenter: | Raam Uzdin, Hebrew University of Jerusalem |
|---|---|---|
| Series: | CQuIC Seminars | |
| Abstract: |
To thermodynamically address quantum nanoscopic scenarios that involve very small
thermal baths and strong system-bath correlation, we suggest a new framework that is based on the principle of passivity. Passivity allows to get many thermodynamic inequalities that constrain observables that were so far outside the scope of thermodynamics. As an example, we derive lower and upper bounds on the system-bath energy covariance in Jaynes-Cummings model. Using a stronger version of the passivity principle, we extend the second law to handle initial system-bath correlation (which is common in microscopic strong system-bath coupling scenarios). In addition, it is shown that passivity-based inequalities can detect "sub-Maxwellian demons" that apply subtle feedback on the system without violating the standard second law. Finally, an intrinsically quantum feature of strong passivity is exploited to assign a thermodynamic cost for coherence generation. |
|
| Host: | Akimasa Miyake | |
| Location: | PAIS-2540, PAIS | |
If you need an auxiliary aid or service to attend any Department of Physics and Astronomy event, please contact the department (phone: 505 277-2616; email: