



01354nas a2200121   4500008004100000245009100041210006900132260001500201520093800216100002201154700001901176856003701195       2018                        eng d00aOptomechanical approach to controlling the temperature and chemical potential of light0 aOptomechanical approach to controlling the temperature and chemi  c2018/05/183 a<p><span style="font-family: &quot;Lucida Grande&quot;, helvetica, arial, verdana, sans-serif; font-size: 14.4px;">Massless particles, including photons, are not conserved even at low energies and thus have no chemical potential. However, in driven systems, near equilibrium dynamics can lead to equilibration of photons with a finite number, describable using an effective chemical potential. Here we build upon this general concept with an implementation appropriate for a nonlinear photon-based quantum simulator. We consider how laser cooling of a well-isolated mechanical mode can provide an effective low-frequency bath for the quantum simulator system. We show that the use of auxiliary photon modes, coupled by the mechanical system, enables control of both the chemical potential, by drive frequency, and temperature, by drive amplitude, of the resulting photonic quantum simulator&#39;s grand canonical ensemble.</span></p>1 aWang, Chiao-Hsuan1 aTaylor, J., M.  uhttps://arxiv.org/abs/1706.00789