Quantum kicked rotor and its variants: Chaos, localization and beyond
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 …
Hamiltonian systems. More than fifty years since the introduction of this model, there is an …
Performance limits of information engines
We review recent studies of a colloidal information engine that consists of a bead in water
and held by an optical trap. The bead is ratcheted upward without any apparent external …
and held by an optical trap. The bead is ratcheted upward without any apparent external …
Structural basis for power stroke vs. Brownian ratchet mechanisms of motor proteins
W Hwang, M Karplus - … of the National Academy of Sciences, 2019 - National Acad Sciences
Two mechanisms have been proposed for the function of motor proteins: The power stroke
and the Brownian ratchet. The former refers to generation of a large downhill free energy …
and the Brownian ratchet. The former refers to generation of a large downhill free energy …
Realization of finite-rate isothermal compression and expansion using optical feedback trap
We experimentally realize the finite-rate isothermal process of a Brownian particle in a
breathing harmonic potential. For the compression process, finite-rate equilibration can be …
breathing harmonic potential. For the compression process, finite-rate equilibration can be …
Optimal performance regions of Feynman's ratchet engine with different optimization criteria
Z Ding, Y Ge, L Chen, H Feng, S Xia - Journal of Non-Equilibrium …, 2020 - degruyter.com
Thermodynamic performance analysis of microscopic Feynman's engine has always been a
hot topic, since it can reveal the operating mechanism of the system and give out the …
hot topic, since it can reveal the operating mechanism of the system and give out the …
Brownian motors powered by nonreciprocal interactions
B Ai - Physical Review E, 2023 - APS
Traditional models for molecular (Brownian) motors predominantly depend on
nonequilibrium driving, while particle interactions rigorously adhere to Newton's third law …
nonequilibrium driving, while particle interactions rigorously adhere to Newton's third law …
Minimal entropy production in the presence of anisotropic fluctuations
OM Miangolarra, A Taghvaei… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Anisotropy in temperature, chemical potential, or ion concentration, provides the fuel that
feeds dynamical processes that sustain life. At the same time, anisotropy is a root cause of …
feeds dynamical processes that sustain life. At the same time, anisotropy is a root cause of …
Stochastic thermodynamics of self-oscillations: the electron shuttle
Self-oscillation is a phenomenon studied across many scientific disciplines, including the
engineering of efficient heat engines and electric generators. We investigate the single …
engineering of efficient heat engines and electric generators. We investigate the single …
DPEx-II: A new dusty plasma device capable of producing large sized dc coulomb crystals
S Arumugam, P Bandyopadhyay, S Singh… - Plasma Sources …, 2021 - iopscience.iop.org
The creation of a spatially extended stable DC complex plasma crystal is a big experimental
challenge and a topical area of research in the field of dusty plasmas. In this paper we …
challenge and a topical area of research in the field of dusty plasmas. In this paper we …
Optical tweezers as a mathematically driven spatio-temporal potential generator
The ability to create and manipulate spatio-temporal potentials is essential in the diverse
fields of science and technology. Here, we introduce an optical feedback trap system based …
fields of science and technology. Here, we introduce an optical feedback trap system based …