76 citations · 236 across the 17 of their papers we have counts for
18 papers
Quantum scattering by intersecting δ-potential barriers: from Gaudin's kaleidoscope to quantum Galperin billiards
Yi-Cong Yu, Wen-Jie Qiu, Xiaoming Cai
We develop a general framework for the scattering of a plane wave by a class of Gaudin kaleidoscope models: straight -potential barriers intersecting at a common point. The proj…
A Restricted Boltzmann Machine with Quantum-State Visible Units
Zhe-Hao Zhang, Yi-Cong Yu, Xiaoming Cai +1
We construct a restricted Boltzmann machine (RBM) whose visible input is a quantum state rather than a classical configuration. Each hidden unit carries a trainable quantum templat…
Engineering exact mobility edges in quasiperiodic Aharonov-Bohm chains
Hai-Ying Cui, Yi-Cong Yu, Xiaoming Cai
We investigate localization phenomena and exact mobility edges in a quasiperiodic Aharonov-Bohm chain, where the 1D canonical diagonal and off-diagonal Aubry-André-Harper models ar…
Controlled transport in chiral quantum walks on graphs
Yi-Cong Yu, Xiaoming Cai
We investigate novel transport properties of chiral continuous-time quantum walks (CTQWs) on graphs. By employing a gauge transformation, we demonstrate that CTQWs on chiral chains…
Exact mobility edges in Aubry-André-Harper models with relative phases
Xiaoming Cai, Yi-Cong Yu
Mobility edge (ME), a critical energy separating localized and extended states in spectrum, is a central concept in understanding the localization physics. However, there are few m…
Entanglement Entropy of Non-Hermitian Free Fermions
Yi-Bin Guo, Yi-Cong Yu, Rui-Zhen Huang +4
We study the entanglement properties of non-Hermitian free fermionic models with translation symmetry using the correlation matrix technique. Our results show that the entanglement…
Three-body bound states of two bosons and one impurity in one dimension
Yanxia Liu, Yi-Cong Yu, Shu Chen
We investigate one-dimensional three-body systems composed of two identical bosons and one imbalanced atom (impurity) with two-body and three-body zero-range interactions. For the…
Abnormal Critical Fluctuations Revealed by Magnetic Resonance in the Two-Dimensional Ferromagnetic Insulators
Zefang Li, Dong-Hong Xu, Xue Li +4
Phase transitions and critical phenomena, which are dominated by fluctuations and correlations, are one of the fields replete with physical paradigms and unexpected discoveries. Es…
Relativity and Diversity of Strong Coupling to Measured Subsystems
Renming Liu, Yi-Cong Yu, Xue-Hua Wang
The strong coupling between two subsystems consisting of quantum emitters and photonic modes, at which the level splitting of mixed quantum states occurs, has been a central subjec…
Grüneisen parameters for Lieb-Liniger and Yang-Gaudin models
Li Peng, Yicong Yu, Xi-Wen Guan
Using the Bethe ansatz solution, we analytically study expansionary, magnetic and interacting Grüneisen parameters (GPs) for one-dimensional (1D) Lieb-Liniger and Yang-Gaudin model…
Grüneisen Parameters: origin, identity and quantum refrigeration
Yi-Cong Yu, Shizhong Zhang, Xi-Wen Guan
In solid state physics, the Grüneisen parameter (GP), originally introduced in the study of the effect of changing the volume of a crystal lattice on its vibrational frequency, has…
An Interaction-Driven Many-Particle Quantum Heat Engine: Universal Behavior
Yang-Yang Chen, Gentaro Watanabe, Yi-Cong Yu +2
A quantum heat engine (QHE) based on the interaction driving of a many-particle working medium is introduced. The cycle alternates isochoric heating and cooling strokes with both i…
Asymptotic correlation functions and FFLO signature for the one-dimensional attractive Hubbard model
Song Cheng, Yu-Zhu Jiang, Yi-Cong Yu +2
We study the long-distance asymptotic behavior of various correlation functions for the one-dimensional (1D) attractive Hubbard model in a partially polarized phase through the Bet…
A unified approach to the thermodynamics and quantum scaling functions of one-dimensional strongly attractive Fermi Gases
Yi-Cong Yu, Xiwen Guan
In this letter we present a unified derivation of the pressure equation of states, thermodynamics and scaling functions for the one-dimensional (1D) strongly attractive Fermi gases…
FFLO correlation and free fluids in the one-dimensional attractive Hubbard model
Song Cheng, Yi-Cong Yu, Murray T Batchelor +1
In this Rapid Communication we show that low energy macroscopic properties of the one-dimensional (1D) attractive Hubbard model exhibit two fluids of bound pairs and of unpaired fe…
Quantum criticality of spinons
Feng He, Yu-Zhu Jiang, Yi-Cong Yu +2
The free fermion nature of interacting spins in one dimensional (1D) spin chains still lacks a rigorous study. In this letter we show that the length- spin strings significantly…
Dimensionless ratios: characteristics of quantum liquids and their phase transitions
Yi-Cong Yu, Yang-Yang Chen, Hai-Qing Lin +2
Dimensionless ratios of physical properties can characterize low-temperature phases in a wide variety of materials. As such, the Wilson ratio (WR), the Kadowaki-Woods ratio and the…
Ab-initio Mapping of Projected Local Density of States in Arbitrary Nanostructures: Application to Photonic Crystal Slabs and Cavities
Gengyan Chen, Yi-Cong Yu, Xiao-Lu Zhuo +5
Based upon projected local density of states (PLDOS) for photons, we develop a local coupling theory to simultaneously treat the weak and strong interaction between a quantum emitt…