Quantum engines and refrigerators
Engines are systems and devices that convert one form of energy into another, typically into
a more useful form that can perform work. In the classical setup, physical, chemical, and …
a more useful form that can perform work. In the classical setup, physical, chemical, and …
Vibrational effects in charge transport through a molecular double quantum dot
Recent progress in the field of molecular electronics has revealed the fundamental
importance of the coupling between the electronic degrees of freedom and specific …
importance of the coupling between the electronic degrees of freedom and specific …
Entanglement generation between two mechanical resonators in two optomechanical cavities
AAL Rehaily, S Bougouffa - International Journal of Theoretical Physics, 2017 - Springer
A standard model is suggested to explore correlation features of two spatially separated
optomechanical cavities. The cavities are coupled through the photon-hop** process. In …
optomechanical cavities. The cavities are coupled through the photon-hop** process. In …
Thermal rectification in a double quantum dots system with a polaron effect
We investigate the rectification of heat current carried by electrons through a double
quantum dot (DQD) system under a temperature bias. The DQD can be realized by …
quantum dot (DQD) system under a temperature bias. The DQD can be realized by …
Quantum entanglement driven by electron-vibrational mode coupling
In this work, we show how electron-vibrational mode coupling can be used to drive
maximally entangled states. The physical system consists of two pairs of quantum dots, each …
maximally entangled states. The physical system consists of two pairs of quantum dots, each …
Thermodynamics of the polaron master equation at finite bias
T Krause, T Brandes, M Esposito… - The Journal of Chemical …, 2015 - pubs.aip.org
We study coherent transport through a double quantum dot. Its two electronic leads induce
electronic matter and energy transport and a phonon reservoir contributes further energy …
electronic matter and energy transport and a phonon reservoir contributes further energy …
[HTML][HTML] On the Choi–Lam analogue of Hilbert's 1888 theorem for symmetric forms
C Goel, S Kuhlmann, B Reznick - Linear Algebra and its Applications, 2016 - Elsevier
A famous theorem of Hilbert from 1888 states that for given n and d, every positive
semidefinite (psd) real form of degree 2d in n variables is a sum of squares (sos) of real …
semidefinite (psd) real form of degree 2d in n variables is a sum of squares (sos) of real …
Tunable antiresonance, Fano interference, and negative differential conductance in serially-coupled vibrating molecular
KH Yang, XH Liang, HY Wang, YF Wu… - Physica E: Low …, 2024 - Elsevier
In this work, we propose a theoretical model, a series-coupled vibrating double-quantum
dots adiabatically connected to Luttinger liquid leads, to realize the controllability of quantum …
dots adiabatically connected to Luttinger liquid leads, to realize the controllability of quantum …
Charge-vibration interaction effects in normal-superconductor quantum dots
We study the quantum transport and the nonequilibrium vibrational states of a quantum dot
embedded between a normal-conducting and a superconducting lead with the charge on …
embedded between a normal-conducting and a superconducting lead with the charge on …
Mechanically induced two-qubit gates and maximally entangled states for single electron spins in a carbon nanotube
H Wang, G Burkard - Physical Review B, 2015 - APS
We theoretically analyze a system where two electrons are trapped separately in two
quantum dots on a suspended carbon nanotube (CNT), subject to external ac electric …
quantum dots on a suspended carbon nanotube (CNT), subject to external ac electric …