Kicked rotor is a paradigmatic model for classical and quantum chaos in time-dependent
Hamiltonian systems. More than fifty years since the introduction of this model, there is an …

In systems possessing spatial or dynamical symmetry breaking, Brownian motion combined
with unbiased external input signals, deterministic and random alike, can assist directed …

Quantum directed transport can be realized in noninteracting, deterministic, chaotic systems
by appropriately breaking the spatiotemporal symmetries in the potential. In this work, the …

We consider the ratchet dynamics in a PT-symmetric Floquet quantum system with
symmetric temporal (harmonic) driving. In the exact PT-symmetry phase, for a finite number …

We investigate the directed momentum current in the quantum kicked rotor model with PT-
symmetric deriving potential. For the quantum nonresonance case, the values of …

We investigate both analytically and numerically the wavepacket's dynamics in momentum
space for a Floquet non-Hermitian system with a periodically kicked driven potential. We …

We employ a Bose-Einstein-condensate–based atom-optic kicked rotor to generate an
asymmetrically localized momentum distribution that depends upon the initial velocity of the …

We study experimentally a quantum kicked rotor with broken parity symmetry, supporting a
ratchet effect due to the presence of a classical accelerator mode. We show that the short …

In a quantum ratchet accelerator system, a linearly increasing directed current can be
dynamically generated without using a biased field. Generic quantum ratchet acceleration …

The symplectic invariance property of the Wigner-Rényi entropies family is used to estimate
the interaction time for the propagating Schrödinger cat state that interacts with the …