62 citations · 287 across the 17 of their papers we have counts for
17 papers
Speeding up entanglement generation by proximity to higher-order exceptional points
Zeng-Zhao Li, Weijian Chen, Maryam Abbasi +2
Entanglement is a key resource for quantum information technologies ranging from quantum sensing to quantum computing. Conventionally, the entanglement between two coupled qubits i…
Interplay of vibration- and environment-assisted energy transfer
Zeng-Zhao Li, Liwen Ko, Zhibo Yang +2
We study the interplay between two environmental influences on excited state energy transfer in photosynthetic light harvesting complexes, namely, vibrationally assisted energy tra…
Topological quantum interference in a pumped Su-Schrieffer-Heeger lattice
Zeng-Zhao Li, Juan Atalaya, K. Birgitta Whaley
Topological quantum interference emerges from the interplay between quantum mechanics and topology. We present evidence for two types of such interference phenomenon that can resul…
Unraveling excitation energy transfer assisted by collective behaviors of vibrations
Zeng-Zhao Li, Liwen Ko, Zhibo Yang +2
We investigate how collective behaviors of vibrations such as cooperativity and interference can enhance energy transfer in a nontrivial way, focusing on an example of a donor-brid…
Quantum interference in transport through almost symmetric double quantum dots
Zeng-Zhao Li, Martin Leijnse
We theoretically investigate transport signatures of quantum interference in highly symmetric double quantum dots in a parallel geometry and demonstrate that extremely weak symmetr…
Floquet engineering of long-range p-wave superconductivity: Beyond the high-frequency limit
Zeng-Zhao Li, Chi-Hang Lam, J. Q. You
It has been shown that long-range {\it p}-wave superconductivity in a Kitaev chain can be engineered via an ac field with a high frequency [Benito et al., Phys. Rev. B 90, 205127 (…
Probing weak dipole-dipole interaction using phase-modulated non-linear spectroscopy
Zeng-Zhao Li, Lukas Bruder, Frank Stienkemeier +1
Phase-modulated non-linear spectroscopy with higher harmonic demodulation has recently been suggested to provide information on many-body excitations. In the present work we theore…
Hierarchy of equations to calculate the linear spectra of molecular aggregates - Time-dependent and frequency domain formulation
Pan-Pan Zhang, Zeng-Zhao Li, Alexander Eisfeld
In a recent publication [J. Chem. Phys. 142, 034115 (2015)] we have derived a hierarchy of coupled differential equations in time domain to calculate the linear optical properties…
Tunneling-induced transparency and Autler-Townes splitting in a triple quantum dot
Xiao-Qing Luo, Zeng-Zhao Li, Jun Jing +3
We theoretically investigate the tunneling-induced transparency (TIT) and the Autler-Townes (AT) doublet and triplet in a triple-quantum-dot system. For the resonant tunneling case…
Collective quantum phase slips in multiple nanowire junctions
Zeng-Zhao Li, Tie-Fu Li, Chi-Hang Lam +1
Realization of robust coherent quantum phase slips represents a significant experimental challenge. Here we propose a new design consisting of multiple nanowire junctions to realiz…
Approach to solving spin-boson dynamics via non-Markovian quantum trajectories
Zeng-Zhao Li, Cho-Tung Yip, Hai-Yao Deng +4
We develop a systematic and efficient approach for numerically solving the non-Markovian quantum state diffusion equations for open quantum systems coupled to an environment up to…
Probing zero-modes of defect in Kitaev quantum wire
Sheng-Wen Li, Zeng-Zhao Li, C. Y. Cai +1
The Kitaev quantum wire (KQW) model with open boundary possesses two Majorana edge modes. When the local chemical potential on a defect site is much higher than that on other sites…
Probing Majorana bound states via counting statistics of a single electron transistor
Zeng-Zhao Li, Chi-Hang Lam, J. Q. You
We propose an approach for probing Majorana bound states (MBSs) in a nanowire via counting statistics of a nearby charge detector in the form of a single-electron transistor (SET).…
Detector-induced backaction on the counting statistics of a double quantum dot
Zeng-Zhao Li, Chi-Hang Lam, Ting Yu +1
Full counting statistics of electron transport is of fundamental importance for a deeper understanding of the underlying physical processes in quantum transport in nanoscale device…
Cooling a nanomechanical resonator by a triple quantum dot
Zeng-Zhao Li, Shi-Hua Ouyang, Chi-Hang Lam +1
We propose an approach for achieving ground-state cooling of a nanomechanical resonator (NAMR) capacitively coupled to a triple quantum dot (TQD). This TQD is an electronic analog…
Probing the quantum behaviors of a nanomechanical resonator coupled to a double quantum dot
Zeng-Zhao Li, Shi-Hua Ouyang, Chi-Hang Lam +1
We propose a current correlation spectrum approach to probe the quantum behaviors of a nanome-chanical resonator (NAMR). The NAMR is coupled to a double quantum dot (DQD), which ac…
Study of the decoherence of a double quantum dot charge qubit via the Redfield equation
Zeng-Zhao Li, Xiao-Yin Pan, Xian-Ting Liang
By using the Redfield form of the master equation, we investigate the decoherence times of a double quantum dot charge qubit (DQDCQ) in three different cases, namely when it is cou…