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Initial demonstration of a quantum heat engine based on dissipation-engineered superconducting circuits
Tuomas Uusnäkki, Timm Mörstedt, Wallace Teixeira +2
Quantum heat engines require precise control over thermal reservoirs and the energies of the quantum working medium. Although superconducting circuits enable accurate engineering o…
Autonomous quantum heat engine
Tuomas Uusnäkki, Miika Rasola, Vasilii Vadimov +3
Quantum heat engines provide attractive means in quantum thermodynamics for studying the fundamentals of the flow of heat and work. Previous experimental implementations of heat en…
Proposal for an autonomous quantum heat engine
Miika Rasola, Vasilii Vadimov, Tuomas Uusnäkki +1
We propose and theoretically analyse a superconducting electric circuit which can be used to experimentally realize an autonomous quantum heat engine. Using a quasiclassical, non-M…
Low-characteristic-impedance superconducting tadpole resonators in the sub-gigahertz regime
Miika Rasola, Samuel Klaver, Jian Ma +4
We demonstrate a simple and versatile resonator design based on a short strip of a typical coplanar waveguide shorted at one end to the ground and shunted at the other end with a l…
Autonomous Quantum Heat Engine Based on Non-Markovian Dynamics of an Optomechanical Hamiltonian
Miika Rasola, Mikko Möttönen
We propose a recipe for demonstrating an autonomous quantum heat engine where the working fluid consists of a harmonic oscillator, the frequency of which is tuned by a driving mode…
Rapid on-demand generation of thermal states in superconducting quantum circuits
Timm Fabian Mörstedt, Wallace Santos Teixeira, Arto Viitanen +13
We experimentally demonstrate the fast generation of thermal states of a transmon using a single-junction quantum-circuit refrigerator (QCR) as an in-situ-tunable environment. Thro…