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Showing 1 to 12 of 267 entries
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Observation of spatial charge and spin correlations in the 2D Fermi-Hubbard model.

Science (New York, N.Y.)

Cheuk LW, Nichols MA, Lawrence KR, Okan M, Zhang H, Khatami E, Trivedi N, Paiva T, Rigol M, Zwierlein MW.
PMID: 27634529
Science. 2016 Sep 16;353(6305):1260-4. doi: 10.1126/science.aag3349.

Strong electron correlations lie at the origin of high-temperature superconductivity. Its essence is believed to be captured by the Fermi-Hubbard model of repulsively interacting fermions on a lattice. Here we report on the site-resolved observation of charge and spin...

Simultaneous infrared detection of the ICH2OO radical and Criegee intermediate CH2OO: the pressure dependence of the yield of CH2OO in the reaction CH2I + O2.

The journal of physical chemistry letters

Huang YH, Chen LW, Lee YP.
PMID: 26539815
J Phys Chem Lett. 2015 Nov 19;6(22):4610-5. doi: 10.1021/acs.jpclett.5b02298. Epub 2015 Nov 09.

The simplest Criegee intermediate CH2OO, important in atmospheric reactions, has been recently produced from the reaction of CH2I + O2 and detected with various methods. In this reaction, the yield of CH2OO decreases with increasing pressure because of the...

Association of .

Molecular and clinical oncology

Cheuk IW, Yip SP, Kwong DL, Wu VW.
PMID: 24940494
Mol Clin Oncol. 2014 Jul;2(4):553-558. doi: 10.3892/mco.2014.276. Epub 2014 Apr 14.

Radiation-induced fibrosis is one of the late complications of radiotherapy (RT) for nasopharyngeal carcinoma (NPC). The aim of this study was to investigate the association between X-ray repair cross-complementing protein 1 and 3 (

A rapid and efficient method for uniform gene expression using the barley stripe mosaic virus.

Plant methods

Cheuk A, Houde M.
PMID: 28400854
Plant Methods. 2017 Apr 11;13:24. doi: 10.1186/s13007-017-0175-5. eCollection 2017.

BACKGROUND: The barley stripe mosaic virus (BSMV) has become a popular vector to study gene function in cereals. However, studies have been limited to gene silencing in leaves of barley or wheat. In addition, the method produces high variability...

Axons take a dive: Specialized contacts of serotonergic axons with cells in the walls of the lateral ventricles in mice and humans.

Neurogenesis (Austin, Tex.)

Tong CK, Cebrián-Silla A, Paredes MF, Huang EJ, García-Verdugo JM, Alvarez-Buylla A.
PMID: 26413556
Neurogenesis (Austin). 2014 Jan 01;1(1). doi: 10.4161/neur.29341.

In the walls of the lateral ventricles of the adult mammalian brain, neural stem cells (NSCs) and ependymal (E1) cells share the apical surface of the ventricular-subventricular zone (V-SVZ). In a recent article, we show that supraependymal serotonergic (5HT)...

A case-control study of the risk factors associated with sinonasal inverted papilloma.

American journal of rhinology & allergy

Sham CL, Lee DLY, Hasselt CAV, Tong MCF.
PMID: 29025513
Am J Rhinol Allergy. 2010 Jan 01;24(1):37-40. doi: 10.2500/ajra.2010.24.3408.

BACKGROUND: The etiology of sinonasal inverted papilloma (IP) is unknown. This study was designed to evaluate the possible risk factors associated with IP Methods: This is a case-control epidemiology study in a tertiary referral center. Fifty patients with IP...

Effect of Electrical Contact on the Contact Residual Stress of a Microrelay Switch.

Sensors (Basel, Switzerland)

Chen YC, Tsai HH, Lu WH, Chen LW.
PMID: 28903275
Sensors (Basel). 2007 Nov 26;7(11):2997-3011. doi: 10.3390/s7112997.

This paper investigates the effect of electrical contact on the thermal contactstress of a microrelay switch. A three-dimensional elastic-plastic finite element model withcontact elements is used to simulate the contact behavior between the microcantilever beamand the electrode. A model...

Frequency- and time-domain nonlinear distortion compensation in high-speed OFDM-IMDD LR-PON with high loss budget.

Optics express

Chen HY, Wei CC, Lin CY, Chen LW, Lu IC, Chen J.
PMID: 28380770
Opt Express. 2017 Mar 06;25(5):5044-5056. doi: 10.1364/OE.25.005044.

This study compared two nonlinear distortion compensation techniques, SSII cancellation (in the frequency domain) and Volterra filtering (in the time domain), in a >50-Gbps/λ OFDM-IMDD LR-PON. Experiment results for SNR, BER, and data rate (based on a bit-loading algorithm)...

Observation of 2D Fermionic Mott Insulators of ^{40}K with Single-Site Resolution.

Physical review letters

Cheuk LW, Nichols MA, Lawrence KR, Okan M, Zhang H, Zwierlein MW.
PMID: 27341242
Phys Rev Lett. 2016 Jun 10;116(23):235301. doi: 10.1103/PhysRevLett.116.235301. Epub 2016 Jun 10.

We report on the site-resolved observation of characteristic states of the two-dimensional repulsive Fermi-Hubbard model, using ultracold ^{40}K atoms in an optical lattice. By varying the tunneling, interaction strength, and external confinement, we realize metallic, Mott-insulating, and band-insulating states....

Quantum-gas microscope for fermionic atoms.

Physical review letters

Cheuk LW, Nichols MA, Okan M, Gersdorf T, Ramasesh VV, Bakr WS, Lompe T, Zwierlein MW.
PMID: 26024169
Phys Rev Lett. 2015 May 15;114(19):193001. doi: 10.1103/PhysRevLett.114.193001. Epub 2015 May 13.

We realize a quantum-gas microscope for fermionic ^{40}K atoms trapped in an optical lattice, which allows one to probe strongly correlated fermions at the single-atom level. We combine 3D Raman sideband cooling with high-resolution optics to simultaneously cool and...

Determination of the stiffness of the nuclear symmetry energy from isospin diffusion.

Physical review letters

Chen LW, Ko CM, Li BA.
PMID: 15698257
Phys Rev Lett. 2005 Jan 28;94(3):032701. doi: 10.1103/PhysRevLett.94.032701. Epub 2005 Jan 26.

With an isospin- and momentum-dependent transport model, we find that the degree of isospin diffusion in heavy-ion collisions at intermediate energies is affected by both the stiffness of the nuclear symmetry energy and the momentum dependence of the nucleon...

Defect modes in a stacked structure of chiral photonic crystals.

Physical review. E, Statistical, nonlinear, and soft matter physics

Chen JY, Chen LW.
PMID: 16089753
Phys Rev E Stat Nonlin Soft Matter Phys. 2005 Jun;71(6):061708. doi: 10.1103/PhysRevE.71.061708. Epub 2005 Jun 22.

An optical propagation simulation is carried out for the study of photonic defect modes in a stacked structure of cholesteric liquid crystal films with spatially varying pitch. The defects are introduced by a pitch jump and a phase jump...

Showing 1 to 12 of 267 entries