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20102026
most citedHybrid quantum circuits: Superconducting circuits interacting with other quantum systems

1.6k citations

Showing 2011Show all

23 papers · 1 filter

quant-ph2011★ 37 cited

Single-photon scattering on a strongly dressed atom

Z. H. Wang, Yong Li, D. L. Zhou +2

We develop the generalized rotating-wave approximation (GRWA) approach (Phys. Rev. Lett. 99, 173601 (2007)) to study the single-photon scattering on a two-level system (TLS) with a…

quant-ph2011

Quantum random walks with multiphoton interference and high order correlation functions

Bryan T Gard, Robert M Cross, Petr M Anisimov +2

We show a simulation of quantum random walks with multiple photons using a staggered array of 50/50 beam splitters with a bank of detectors at any desired level. We discuss the mul…

cond-mat.str-el2011★ 105 cited

A tensor product state approach to spin-1/2 square - antiferromagnetic Heisenberg model: evidence for deconfined quantum criticality

Ling Wang, Zheng-Cheng Gu, Frank Verstraete +1

The ground state phase of spin-1/2 - antiferromagnetic Heisenberg model on square lattice around the maximally frustrated regime () has been debated for d…

cond-mat.str-el2011★ 10 cited

Behavior of a Magnetic Impurity in Graphene in the Presence of a Vacancy

F. M. Hu, J. E. Gubernatis, Hai-Qing Lin +2

With quantum Monte Carlo methods, we investigate the consequences of placing a magnetic adatom adjacent to a vacancy in a graphene sheet. We find that instead of the adatom propert…

cond-mat.mes-hall2011★ 11 cited

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…

cond-mat.str-el2011★ 3 cited

Extended dual description of Mott transition beyond two-dimensional space

Yin Zhong, Ke Liu, Hong-Gang Luo

Motivated by recent work of Mross and Senthil [Phys. Rev. B \textbf{84}, 165126 (2011)] which provides a dual description for Mott transition from Fermi liquid to quantum spin liqu…

quant-ph2011★ 27 cited

Pulse control of sudden transition for two qubits in XY spin baths and quantum phase transition

Da-Wei Luo, Hai-Qing Lin, Jing-Bo Xu +1

We study the dynamics of two initially correlated qubits coupled to their own separate spin baths modeled by a XY spin chain and find the explicit expression of the quantum discord…

cond-mat.mtrl-sci2011★ 118 cited

Spiral Chain O4 Form of Dense Oxygen

Li Zhu, Ziwei Wang, Yanchao Wang +3

Oxygen is in many ways a unique element: the only known diatomic molecular magnet and the capability of stabilization of the hitherto unexpected O8 cluster structure in its solid f…

quant-ph2011★ 4 cited

Quantum Zeno and anti-Zeno effects induced by either frequent measurements, modulations, or a mix of them

Wenxian Zhang, A. G. Kofman, Jun Zhuang +2

Using numerical calculations, we compare the collective transition probabilities of many spins in random magnetic fields, subject to either frequent projective measurements, freque…

cond-mat.mes-hall2011★ 1 cited

Improved master equation approach to quantum transport: From Born to self-consistent Born approximation

Jun Li, Jinshuang Jin, Xin-Qi Li +1

Beyond the second-order Born approximation, we develop an improved master equation approach to quantum transport by virtue of a self-consistent Born approximation. The basic idea i…

cond-mat.supr-con2011★ 81 cited

Pairing in graphene: A quantum Monte Carlo study

Tianxing Ma, Zhongbing Huang, Feiming Hu +1

To address the issue of electron correlation driven superconductivity in graphene, we perform a systematic quantum Monte Carlo study of the pairing correlation in the t-U-V Hubbard…

cond-mat.str-el2011

A spin chain with spiral orders: perspectives of quantum information and mechanical response

Shi-Jian Gu, Wing-Chi Yu, Hai-Qing Lin

In this paper, we study the ground state of a one-dimensional exactly solvable model with a spiral order. While the model's energy spectra is the same as the one-dimensional transv…

cond-mat.supr-con2011

Encoding a qubit with Majorana modes in superconducting circuits

J. Q. You, Z. D. Wang, Wenxian Zhang +1

Majorana fermions are long-sought exotic particles that are their own antiparticles. Here we propose to utilize superconducting circuits to construct two superconducting-qubit arra…

cond-mat.str-el2011★ 67 cited

Magnetic Impurities in Graphene

F. M. Hu, Tianxing Ma, Hai-Qing Lin +1

We used a quantum Monte Carlo method to study the magnetic impurity adatoms on graphene. We found that by tuning the chemical potential we could switch the values of the impurity's…

quant-ph2011

Jaynes-Cummings model:Counter rotating effect on the vacuum Rabi splitting and atom-cavity dynamics

Yu-Yu Zhang, Qing-Hu Chen, Shi-Yao Zhu

he effect of the counter-rotating terms in the Jaynes-Cummings model is investigated with an extended coherent-state approach. The counter-rotating terms greatly modify the vacuum…

quant-ph2011★ 1 cited

Quantum Information transmission

Lei Wang, Jie-Hui Huang, Jonathan P. Dowling +1

We present a scheme of quantum information transmission, which transmits the quantum information contained in a single qubit via the quantum correlation shared by two parties (a tw…

quant-ph2011★ 37 cited

Quantum phase transition in the delocalized regime of the spin-boson model

Qing-Jun Tong, Jun-Hong An, Hong-Gang Luo +1

The existence of the delocalized-localized quantum phase transition (QPT) in the ohmic spin-boson model has been commonly recognized. While the physics in the localized regime is r…

quant-ph2011

Dynamics of Quantum Zeno and Anti-Zeno Effects in Open System

Peng Zhang, Qing Ai, Yong Li +2

We provide a general dynamical approach for the quantum Zeno and anti-Zeno effects in an open quantum system under repeated non-demolition measurements. In our approach the repeate…

physics.data-an2011★ 53 cited

Uncovering missing links with cold ends

Yu-Xiao Zhu, Linyuan Lü, Qian-Ming Zhang +1

To evaluate the performance of prediction of missing links, the known data are randomly divided into two parts, the training set and the probe set. We argue that this straightforwa…

quant-ph2011★ 65 cited

Nondeterminstic ultrafast ground state cooling of a mechanical resonator

Yong Li, Lian-Ao Wu, Ying-Dan Wang +1

We present an ultrafast feasible scheme for ground state cooling of a mechanical resonator via repeated random time-interval measurements on an auxiliary flux qubit. We find that t…

cond-mat.mes-hall2011★ 86 cited

Numerically exact, time-dependent treatment of vibrationally coupled electron transport in single-molecule junctions

Haobin Wang, Ivan Pshenichnyuk, Rainer Härtle +1

The multilayer multiconfiguration time-dependent Hartree (ML-MCTDH) theory within second quantization representation of the Fock space, a novel numerically exact methodology to tre…

math.GR2011

The decomposition of a Lie group with a left invariant pseudo-Riemannian metric and the uniqueness

Zhiqi Chen, Ke Liang, Mingming Ren

In this paper, we discuss the decomposition of a Lie group with a left invariant pseudo-Riemannian metric and the uniqueness. The decomposition is defined by non-degenerate strong…

quant-ph2011★ 34 cited

A new criteria for zero quantum discord

Jie-Hui Huang, Lei Wang, Shi-Yao Zhu

We propose a new criterion to judge zero quantum discord for arbitrary bipartite states. A bipartite quantum state has zero quantum discord if and only if all blocks of its density…