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10 papers · 2 filters
Limits on quantum measurement engines
Guillermo Perna, Esteban Calzetta
A quantum measurement involves energy exchanges between the system to be measured and the measuring apparatus. Some of them involve energy losses, for example because energy is dis…
Driving superconducting qubits into chaos
Jorge Chávez-Carlos, Miguel A. Prado Reynoso, Ignacio García-Mata +4
Kerr parametric oscillators are potential building blocks for fault-tolerant quantum computers. They can stabilize Kerr-cat qubits, which offer advantages toward the encoding and m…
Effective versus Floquet theory for the Kerr parametric oscillator
Ignacio García-Mata, Rodrigo G. Cortiñas, Xu Xiao +4
Parametric gates and processes engineered from the perspective of the static effective Hamiltonian of a driven system are central to quantum technology. However, the perturbative e…
Adiabatic Shortcuts Completion in Quantum Field Theory: Annihilation of Created Particles
Nicolás F. Del Grosso, Fernando C. Lombardo, Francisco D. Mazzitelli +1
Shortcuts to adiabaticity (STA) are relevant in the context of quantum systems, particularly regarding their control when they are subjected to time-dependent external conditions.…
Quantum engines with interacting Bose-Einstein condensates
Julian Amette Estrada, Franco Mayo, Augusto J. Roncaglia +1
We consider a quantum Otto cycle with an interacting Bose-Einstein condensate at finite temperature. We present a procedure to evolve this system in time in three spatial dimension…
Trapped atoms in spatially-structured vector light fields
Maurizio Verde, Christian T. Schmiegelow, Ulrich Poschinger +1
Spatially-structured laser beams, eventually carrying orbital angular momentum, affect electronic transitions of atoms and their motional states in a complex way. We present a gene…