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Dec 14, 2011

Quantum correlation can be created by a local operation from some initially classical states. We prove that the necessary and sufficient condition for a local trace-preserving channel to create quantum correlation is that it is not a commutativity-p…

Necessary and sufficient conditions for local creation of quantum c…

Quantum correlation can be created by a local operation from some initially classical states. We prove that the necessary and sufficient condition fo…
Dec 31, 2015
Superconductivity
Materials Science
Strongly Correlated Electrons

Identifying the Genes of Unconventional High Temperature Superconduct…

We elucidate a recently emergent framework in unifying the two families of high temperature (high $T_c$) superconductors, cuprates and iron-based sup…
Feb 27, 2017
Strongly Correlated Electrons

Quantum critical scaling and fluctuations in Kondo lattice materials

We propose a new phenomenological framework for three classes of Kondo lattice materials that incorporates the interplay between the fluctuations ass…
Oct 03, 2018
Quantum Gases
Strongly Correlated Electrons
Superconductivity

Detecting the entanglement of vortices in ultracold bosons with art…

The entanglement of vortices in a two-dimensional Bose-Hubbard model with artificial gauge fields is investigated using the exact diagonalization tec…
Mar 06, 2017

Quantum coherence and quantum correlations

Quantum correlations and quantum coherence are of fundamental significance for the quantum theory, and are also cornerstones for theory of quantum co…
Feb 17, 2018
Strongly Correlated Electrons

Symmetry Enforced Self-Learning Monte Carlo Method Applied to the H…

Self-learning Monte Carlo method (SLMC), using a trained effective model to guide Monte Carlo sampling processes, is a powerful general-purpose numer…
Aug 21, 2015
Mesoscale and Nanoscale Physics
Materials Science

Quantum Spin Hall State on Square-like Lattice

We find that quantum spin Hall (QSH) state can be obtained on a square-like or rectangular lattice, which is generalized from two-dimensional (2D) tr…
Oct 21, 2015
Quantum Gases

Effective spin-chain model for strongly interacting one-dimensional …

We present a general form of the effective spin-chain model for strongly interacting atomic gases with an arbitrary spin in the one-dimensional(1D) t…
Feb 05, 2016
Strongly Correlated Electrons

Diagnosis of interaction-driven topological phase via exact diagona…

We propose a general scheme for diagnosing interaction-driven topological phases in the weak interaction regime using exact diagonalization (ED). The…
Jun 25, 2018
Statistical Mechanics

Observation of dynamical quantum phase transition by a superconductin…

A dynamical quantum phase transition can occur in time evolution of sudden quenched quantum systems across phase transition. It corresponds to nonana…
Jun 07, 2016
Mesoscale and Nanoscale Physics

Control of Exciton Valley Coherence in Transition Metal Dichalcogenid…

The direct gap interband transitions in transition metal dichalcogenides monolayers are governed by chiral optical selection rules. Determined by las…
Apr 14, 2016
Mesoscale and Nanoscale Physics
Materials Science
Strongly Correlated Electrons

Spectroscopic Evidence of Type II Weyl Semimetal State in WTe2

Quantum topological materials, exemplified by topological insulators, three-dimensional Dirac semimetals and Weyl semimetals, have attracted much att…
Sep 01, 2017
Materials Science
Strongly Correlated Electrons
Superconductivity

Two-dimensional Massless Dirac Fermions in Antiferromagnetic AFe2As2 …

We report infrared studies of AFe$_{2}$As$_{2}$ (A = Ba, Sr), two representative parent compounds of iron-arsenide superconductors, at magnetic field…
Jan 13, 2015

Maximal Holevo quantity based on weak measurements

The Holevo bound is a keystone in many applications of quantum information theory. We propose "weak maximal Holevo quantity" with weak measurements a…
Nov 10, 2017
Strongly Correlated Electrons

Quantum Spin Liquid with Even Ising Gauge Field Structure on Kagome …

Employing large-scale quantum Monte Carlo simulation, we study the extended XXZ model on the kagome lattice. A $\mathbb Z_2$ quantum spin liquid phas…
May 16, 2019
Cell Behavior
Soft Condensed Matter
Biological Physics

Modeling cell migration regulated by cell-ECM micromechanical coupling

Cell migration in fibreous extracellular matrix (ECM) is crucial to many physiological and pathological processes such as tissue regeneration, immune…
Nov 25, 2017
Strongly Correlated Electrons

Reorthonormalization of Chebyshev matrix product states for dynamical…

The Chebyshev expansion offers a numerically efficient and easy-implement algorithm for evaluating dynamic correlation functions using matrix product…
Nov 09, 2016
Superconductivity
Materials Science
Strongly Correlated Electrons

A possible new family of unconventional high temperature superconduct…

We suggest a new family of Co/Ni-based materials that may host unconventional high temperature superconductivity (high-T$_c$). These materials carry …
Feb 09, 2012
Strongly Correlated Electrons
Materials Science

Magnetic ordering and multiferroicity in MnI$_2$

Density-functional calculations are carried out to investigate incommensurate magnetic structures and ferroelectric polarization in newly discovered …
Aug 23, 2011

General Quantum Key Distribution in Higher Dimension

We study a general quantum key distribution protocol in higher dimension. In this protocol, quantum states in arbitrary $g+1$ ($1\le g\le d$) out of …
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