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Understanding how external driving and dissipation jointly influence the dynamics of open quantum systems is essential for advancing the study of non-equilibrium quantum phenomena and developing quantum technologies. The present study…

Quantum Physics · Physics 2025-05-14 Roie Dann

We derive and employ a semi-classical Langevin equation obtained from path-integrals to describe the ionic dynamics of a molecular junction in the presence of electrical current. The electronic environment serves as an effective…

Mesoscale and Nanoscale Physics · Physics 2012-07-03 Jing Tao Lü , Mads Brandbyge , Per Hedegård , Tchavdar N. Todorov , Daniel Dundas

In strong electromagnetic fields, unique plasma phenomena and applications emerge, whose description requires recently developed theories and simulations [Y. Shi, Ph.D. thesis, Princeton University (2018)]. In the classical regime, to…

Plasma Physics · Physics 2021-04-21 Yuan Shi , Hong Qin , Nathaniel J. Fisch

We propose periodically-modulated entangled states of light and show that they can be generated in two experimentally feasible schemes of nondegenerate optical parametric oscillator (NOPO): (i) driven by continuously modulated pump field;…

Quantum Physics · Physics 2007-05-23 H. H. Adamyan , G. Yu. Kryuchkyan

The collision of ultra-relativistic electron beams with intense short laser pulses makes possible to study QED in the high-intensity regime. Present day high-intensity lasers mostly operate with short pulse durations of several tens of…

Plasma Physics · Physics 2017-01-16 Daniel Seipt

Experimental measurements of electron transport properties of molecular junctions are often performed in solvents. Solvent-molecule coupling and physical properties of the solvent can be used as the external stimulus to control electric…

Mesoscale and Nanoscale Physics · Physics 2021-01-29 Maxim F. Gelin , Daniel S. Kosov

The hot and dense QCD matter produced in nuclear collisions at ultrarelativistic energy is characterized by very intense electromagnetic fields which attain their maximal strength in the early pre-equilibrium stage and interplay with the…

Nuclear Theory · Physics 2020-10-28 Lucia Oliva

A new proposal is given to control local magnetic field in a molecular junction. In presence of finite bias a net circular current is established in the molecular ring which induces a magnetic field at its centre. Allowing a direct coupling…

Mesoscale and Nanoscale Physics · Physics 2017-03-07 Moumita Patra , Santanu K. Maiti

We propose the non-accelerator non-low-temperature simulator of quantum-field effects which is based on the feeder circuits with the special feedback. By means of it one can study the field models which contain fundamental concepts in the…

Materials Science · Physics 2007-05-23 Konstantin G. Zloshchastiev

We consider a model for a spin field-effect molecular transistor, where a directed pure spin current is controlled by an external electric field. Inelastic scattering effects of such molecular device are discussed within a framework of full…

Mesoscale and Nanoscale Physics · Physics 2010-02-17 Jonas Fransson , Michael Galperin

The possibility of using single molecule junctions as electron pumps for energy conversion and storage is considered. It is argued that the small dimensions of these systems enable to make use of unique intra-molecular quantum coherences in…

Quantum Physics · Physics 2015-05-20 Roie Volkovich , Uri Peskin

A density matrix theory of electron transport and optical gain in quantum cascade lasers in an external magnetic field is formulated. Starting from the general quantum kinetic treatment, we describe the intra- and inter-period electron…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Ivana Savic , Nenad Vukmirovic , Zoran Ikonic , Dragan Indjin , Robert W. Kelsall , Paul Harrison , Vitomir Milanovic

We present a simple method to incorporate nonlocal effects on the Nernst advection of magnetic fields down steep temperature gradients, and demonstrate its effectiveness in a number of inertial fusion scenarios. This is based on assuming…

Owing to its numerical simplicity, a two-dimensional two-electron model atom, with each electron moving in one direction, is an ideal system to study non-perturbatively a fully correlated atom exposed to a laser field. Frequently made…

Atomic Physics · Physics 2009-10-30 D. Bauer

To include the bound electron effects in particle-in-cell (PIC) simulation, we propose a model in which the response of the dipole components of partially ionized ions to external electromagnetic fields can be included. Instead of treating…

Plasma Physics · Physics 2022-08-18 Xiangyan An , Min Chen , Zheng-Ming Sheng , Jie Zhang

The Differential Transformation (DT) method has demonstrated its potential in speeding up power system time-domain simulation by our previous work. This letter further derives DTs about a motor load model and proves that the nonlinear…

Systems and Control · Electrical Eng. & Systems 2019-08-27 Yang Liu , Kai Sun

The proximity effect, quasiparticle transport, and local magnetic moment in ferromagnet--d-wave superconductor junctions with {110}-oriented interface are studied by solving self-consistently the Bogoliubov-de Gennes equations within an…

Superconductivity · Physics 2009-10-31 Jian-Xin Zhu , C. S. Ting

When an electrically charged system is subjected to the action of an electromagnetic field, it responds by generating an electrical current. In the case of a multicomponent plasma other effects, the so called cross effects, influence the…

Astrophysics · Physics 2015-06-24 L. S. Garcia-Colin , A. L. Garcia-Perciante , A. Sandoval-Villalbazo

We investigate (non-relativistic) atomic systems interacting with quantum electromagnetic field (QEF). The resulting model describes spontaneous emission of light from a two-level atom surrounded by various initial states of the QEF. We…

Quantum Physics · Physics 2009-11-10 P. Marecki , N. Szpak

We derive an approximation to QED effects in strong background fields which can be employed to improve numerical simulations of laser-particle collisions. Treating the laser as a plane wave of arbitrary intensity, we split the wave into…

High Energy Physics - Phenomenology · Physics 2020-12-17 T. Heinzl , B. King , A. J. MacLeod
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