Cavity assisted measurements of heat and work in optical lattices

Cavity assisted measurements of heat and work in optical lattices

Blog Article

We propose a method to experimentally measure the internal energy of a system of ultracold atoms trapped in optical lattices by coupling them to the fields of two optical cavities.We show that the tunnelling and self-interaction terms of the one-dimensional Bose-Hubbard Chaise Longue Hamiltonian can be mapped to the field and photon number of each cavity, respectively.We compare the energy estimated using this method with numerical Mini-Helmets results obtained using the density matrix renormalisation group algorithm.Our method can be employed for the assessment of power and efficiency of thermal machines whose working substance is a strongly correlated many-body system.