Kerr parametric oscillators (KPOs), which can be implemented with superconducting
parametrons possessing large Kerr nonlinearity, have been attracting much attention in …

Two-dimensional (2D) systems with time-dependent controls admit a quadratic Hamiltonian
modeling near potential minima. Independent, dynamical normal modes facilitate inverse …

We investigate theoretically the possibility for robust and fast cooling of a trapped atomic ion
by transient interaction with a pre-cooled ion. The transient coupling is achieved through …

We design faster-than-adiabatic state transfers (switching of quantum numbers) in time-
dependent coupled-oscillator Hamiltonians. The manipulation to drive the process is found …

We develop an approach using coherent states and path integral to investigate the
dynamics of entanglement in a simple two-dimensional non-commutative harmonic …

The quantum entanglement of two connected harmonic oscillators via angular momentum
yielding a magnetic coupling ω c is discussed in this study. The corresponding Hamiltonian …

We inverse engineer fast rotations of a transversally tight, linear trap with two ions for a
predetermined rotation angle and time, avoiding final excitation. Different approaches are …

We calculate transition amplitudes and probabilities between the coherent and Fock states
of a quantum harmonic oscillator with a moving center for an arbitrary law of motion. These …

This paper surveys the quantum entanglement of two coupled harmonic oscillators via
angular momentum generating a magnetic coupling $\omega_ {c} $. The corresponding …

The quantum entanglement of two connected harmonic oscillators via angular momentum
yielding a magnetic coupling $\omega_ {c} $ is discussed in this study. The corresponding …