Jincheng Lu
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View article: Enhancing thermodynamic performances and suppressing fluctuations in interacting quantum-dot thermoelectric engines
Enhancing thermodynamic performances and suppressing fluctuations in interacting quantum-dot thermoelectric engines Open
Quantum dot systems emerge as promising platforms for studying nanoscale thermoelectric effects and quantum fluctuations phenomena. In this work, we investigate thermodynamic performances of a Coulomb-blockaded quantum dot as a quantum hea…
View article: Axion-Field-Enhanced Near-Field Thermophotovoltaic Systems with Band Dislocation
Axion-Field-Enhanced Near-Field Thermophotovoltaic Systems with Band Dislocation Open
We propose a near-field thermophotovoltaic system utilizing magnetic Weyl semimetals, which exhibit a distinct gyrotropic effect originating from their intrinsic axion field. Critically, we demonstrate that intentional band dislocation, ac…
View article: Collaborative Learning of On-Device Small Model and Cloud-Based Large Model: Advances and Future Directions
Collaborative Learning of On-Device Small Model and Cloud-Based Large Model: Advances and Future Directions Open
The conventional cloud-based large model learning framework is increasingly constrained by latency, cost, personalization, and privacy concerns. In this survey, we explore an emerging paradigm: collaborative learning between on-device smal…
View article: Nonequilibrium transport and the fluctuation theorem in the thermodynamic behaviors of nonlinear photonic systems
Nonequilibrium transport and the fluctuation theorem in the thermodynamic behaviors of nonlinear photonic systems Open
Nonlinear multimode optical systems have attracted substantial attention due to their rich physical properties. Complex interplay between the nonlinear effects and mode couplings makes it difficult to understand the collective dynamics of …
View article: Inferring general links between energetics and information with unknown environment
Inferring general links between energetics and information with unknown environment Open
Identifying general links between energetics and information in realistic open quantum systems is a long-standing problem in quantum thermodynamics and quantum information processing. However, the generality of existing efforts is often im…
View article: Nonequilibrium transport and the fluctuation theorem in the thermodynamic behaviors of nonlinear photonic systems
Nonequilibrium transport and the fluctuation theorem in the thermodynamic behaviors of nonlinear photonic systems Open
Nonlinear multimode optical systems have attracted substantial attention due to their rich physical properties. Complex interplay between the nonlinear effects and mode couplings makes it difficult to understand the collective dynamics of …
View article: Quantum coherence effects on inelastic thermoelectric devices: From diodes to transistors
Quantum coherence effects on inelastic thermoelectric devices: From diodes to transistors Open
We present a study on inelastic thermoelectric devices, wherein charge currents and electronic and phononic heat currents are intricately interconnected. The employment of double quantum dots in conjunction with a phonon bath positions the…
View article: Coherence-enhanced thermodynamic performance in a periodically-driven inelastic heat engine
Coherence-enhanced thermodynamic performance in a periodically-driven inelastic heat engine Open
Quantum thermodynamics with microscopic inelastic scattering processes has been intensively investigated in recent years. Here, we apply quantum master equation combined with full counting statistics approach to investigate the role of qua…
View article: Emergent quantum probability from full quantum dynamics and the role of energy conservation
Emergent quantum probability from full quantum dynamics and the role of energy conservation Open
We propose and study a toy model for the quantum measurements that yield the Born’s rule of quantum probability. In this model, the electrons interact with local photon modes and the photon modes are dissipatively coupled with local photon…
View article: Emergent quantum probability from full quantum dynamics and the role of energy conservation
Emergent quantum probability from full quantum dynamics and the role of energy conservation Open
We propose and study a toy model for the quantum measurements that yield the Born's rule of quantum probability. In this model, the electrons interact with local photon modes and the photon modes are dissipatively coupled with local photon…
View article: Modulation of Steady-State Heat Transport in a Dissipative Multi-Mode Qubit-Photon System
Modulation of Steady-State Heat Transport in a Dissipative Multi-Mode Qubit-Photon System Open
Quantum heat transport is considered as an indispensable branch of quantum thermodynamics to potentially improve performance of thermodynamic devices. We theoretically propose a dissipative qubit-photon system composed of multiple coupled …
View article: ByteTrackV2: 2D and 3D Multi-Object Tracking by Associating Every Detection Box
ByteTrackV2: 2D and 3D Multi-Object Tracking by Associating Every Detection Box Open
Multi-object tracking (MOT) aims at estimating bounding boxes and identities of objects across video frames. Detection boxes serve as the basis of both 2D and 3D MOT. The inevitable changing of detection scores leads to object missing afte…
View article: Thermoelectric Rectification and Amplification in Interacting Quantum-Dot Circuit-Quantum-Electrodynamics Systems
Thermoelectric Rectification and Amplification in Interacting Quantum-Dot Circuit-Quantum-Electrodynamics Systems Open
Thermoelectric rectification and amplification were investigated in an interacting quantum-dot circuit-quantum-electrodynamics system. By applying the Keldysh nonequilibrium Green’s function approach, we studied the elastic (energy-conserv…
View article: Nonequilibrium thermal transport in the two-mode qubit-resonator system
Nonequilibrium thermal transport in the two-mode qubit-resonator system Open
Nonequilibrium thermal transport in circuit quantum electrodynamics emerges as one interdisciplinary field, due to the tremendous advance of quantum technology. Here, we study steady-state heat flow in a two-mode qubit-resonator model unde…
View article: Multitask quantum thermal machines and cooperative effects
Multitask quantum thermal machines and cooperative effects Open
Including phonon-assisted inelastic process in thermoelectric devices is able to enhance the performance of nonequilibrium work extraction. In this work, we demonstrate that inelastic phonon-thermoelectric devices have a fertile functional…
View article: Inelastic thermoelectric transport and fluctuations in mesoscopic systems
Inelastic thermoelectric transport and fluctuations in mesoscopic systems Open
In the past decade, a new research frontier emerges at the interface between physics and renewable energy, termed as inelastic thermoelectric effects, where inelastic transport processes play a key role. The study of inelastic thermoelectr…
View article: Tuning Topological Transitions in Twisted Thermophotovoltaic Systems
Tuning Topological Transitions in Twisted Thermophotovoltaic Systems Open
Twisted bilayer two-dimensional electronic systems give rise to many exotic phenomena and unveil a new frontier for the study of quantum materials. In photonics, twisted two-dimensional systems coupled via near-field interactions offer a p…
View article: Geometric thermodynamic uncertainty relation in a periodically driven thermoelectric heat engine
Geometric thermodynamic uncertainty relation in a periodically driven thermoelectric heat engine Open
Thermodynamic uncertainty relation, quantifying a trade-off among average\ncurrent, the associated fluctuation (precision), and entropy production (cost),\nhas been formulated in nonequilibrium steady state and various stochastic\nsystems.…
View article: Inelastic thermoelectric transport and fluctuations in mesoscopic system
Inelastic thermoelectric transport and fluctuations in mesoscopic system Open
In the past decade, a new research frontier emerges at the interface between physics and renewable energy, termed as the inelastic thermoelectric effects where inelastic transport processes play a key role. The study of inelastic thermoele…
View article: Coulomb Thermoelectric Drag in Four-Terminal Mesoscopic Quantum Transport
Coulomb Thermoelectric Drag in Four-Terminal Mesoscopic Quantum Transport Open
We show that the Coulomb interaction between two circuits separated by an insulating layer leads to unconventional thermoelectric effects, such as the cooling by thermal current effect, the transverse thermoelectric effect and Maxwell’s de…
View article: Unconventional four-terminal thermoelectric transport due to inelastic transport: Cooling by transverse heat current, transverse thermoelectric effect, and Maxwell demon
Unconventional four-terminal thermoelectric transport due to inelastic transport: Cooling by transverse heat current, transverse thermoelectric effect, and Maxwell demon Open
We show that in mesoscopic four-terminal thermoelectric devices with two\nelectrodes (the source and the drain) and two heat baths, inelastic scattering\nprocesses can lead to unconventional thermoelectric transport. The source (or\nthe dr…
View article: Moderate-temperature near-field thermophotovoltaic systems with thin-film InSb cells
Moderate-temperature near-field thermophotovoltaic systems with thin-film InSb cells Open
Near-field thermophotovoltaic systems functioning at 400$\sim$900~K based on graphene-hexagonal-boron-nitride heterostructures and thin-film InSb $p$-$n$ junctions are investigated theoretically. The performances of two near-field systems …
View article: Brownian thermal transistors and refrigerators in mesoscopic systems
Brownian thermal transistors and refrigerators in mesoscopic systems Open
Fluctuations are significant in mesoscopic systems and of particular importance in understanding quantum transport. Here, we show that fluctuations can be considered as a resource for the operations of open quantum systems as functional de…
View article: Molecular beam epitaxial growth and optical characterization of AlGaN nanowires with reduced substrate temperature
Molecular beam epitaxial growth and optical characterization of AlGaN nanowires with reduced substrate temperature Open
The requirement of high growth temperature for high-quality epitaxial AlGaN, which is typically around 100 °C higher than the growth temperature of GaN, is unfavorable for p-type dopant (Mg) incorporation, representing a grand challenge fo…
View article: Optimal efficiency and power, and their trade-off in three-terminal quantum thermoelectric engines with two output electric currents
Optimal efficiency and power, and their trade-off in three-terminal quantum thermoelectric engines with two output electric currents Open
We establish a theory of optimal efficiency and power for three-terminal\nthermoelectric engines which have two independent output electric currents and\none input heat current. This set-up goes beyond the conventional heat engines\nwith o…
View article: Quantum-dot circuit-QED thermoelectric diodes and transistors
Quantum-dot circuit-QED thermoelectric diodes and transistors Open
Recent breakthroughs in quantum-dot circuit-quantum-electrodynamics\n(circuit-QED) systems are important both from a fundamental perspective and\nfrom the point of view of quantum photonic devices. However, understanding the\napplications …
View article: Micromagnetic simulation of two-body magnetic nanoparticles
Micromagnetic simulation of two-body magnetic nanoparticles Open
Field-induced magnetization dynamics was investigated in a system of two magnetic nanoparticles with uniaxial anisotropies and magnetostatic interaction. By using the micromagnetic simulation, ultralow switching field strength was found wh…