Showing 2003Show all

93 papers · 1 filter

cond-mat.str-el2003

Momentum Resolved tunneling in a Luttinger Liquid

S. A. Grigera, A. J. Schofield, S. Rabello +1

We consider momentum resolved tunneling between a Luttinger liquid and a two dimensional electron gas as a function of transverse magnetic field. We include the effects of an anoma…

cond-mat.mes-hall2003★ 42 cited

Gated nonlinear transport in organic polymer field effect transistors

B. H. Hamadani, D. Natelson

We measure hole transport in poly(3-hexylthiophene) field effect transistors with channel lengths from 3 m down to 200 nm, from room temperature down to 10 K. Near room temperat…

cond-mat.mes-hall2003★ 132 cited

Temperature-dependent contact resistances in high-quality polymer field-effect transistors

B. H. Hamadani, D. Natelson

Contact resistances between organic semiconductors and metals can dominate the transport properties of electronic devices incorporating such materials. We report measurements of th…

cond-mat.mtrl-sci2003★ 21 cited

Magnetotransport near a quantum critical point in a simple metal

Ya. B. Bazaliy, R. Ramazashvili, Q. Si +1

We use geometric considerations to study transport properties, such as the conductivity and Hall coefficient, near the onset of a nesting-driven spin density wave in a simple metal…

nucl-ex2003★ 95 cited

Azimuthally sensitive Hanbury Brown-Twiss interferometry in Au+Au collisions at sqrt(s_{NN}) = 200 GeV

STAR Collaboration

We present the results of a systematic study of the shape of the pion distribution in coordinate space at freeze-out in Au+Au collisions at RHIC using two-pion Hanbury Brown-Twiss…

astro-ph2003★ 43 cited

HST/ACS Imaging of Omega Centauri: Optical Counterpart for the Quiescent Low-Mass X-Ray Binary

D. Haggard, A. M. Cool, J. Anderson +5

We report the discovery of an optical counterpart to a quiescent neutron star in the globular cluster Omega Centauri (NGC 5139). The star was found as part of our wide-field imagin…

hep-ex2003★ 15 cited

Tensor Polarization of the phi meson Photoproduced at High t

K. McCormick, the CLAS collaboration

As part of a measurement of the cross section of meson photoproduction to high momentum transfer, we measured the polar angular decay distribution of the outgoing in the…

hep-ex2003★ 254 cited

Observation of an Exotic Baryon with S=+1 in Photoproduction from the Proton

V. Kubarovsky

The reaction was studied at Jefferson Lab using a tagged photon beam with an energy range of 3-5.47 GeV. A narrow baryon state with strangeness S=+1 and mass $M…

hep-ex2003★ 74 cited

Combination of CDF and D0 Results on W Boson Mass and Width

V. M. Abazov

The results based on 1992-95 data (Run 1) from the CDF and DO experiments on the measurements of the W boson mass and width are presented, along with the combined results. We repor…

cond-mat.stat-mech2003

Steady-State Properties of a Totally Asymmetric Exclusion Process with Periodic Structure

Greg Lakatos, Tom Chou, Anatoly Kolomeisky

We formulate and analyze the steady-state behavior of totally asymmetric simple exclusion processes (TASEPs) that contain periodically varying movement rates. In our models, partic…

cond-mat.mes-hall2003★ 360 cited

The Kondo effect in C single-molecule transistors

L. H. Yu, D. Natelson

We have used an electromigration technique to fabricate C-based single-molecule transistors. We detail the process statistics and the protocols used to infer the successful…

cond-mat.stat-mech2003★ 7 cited

Polymer Dynamics in Repton Model at Large Fields

Anatoly B. Kolomeisky, Andrzej Drzewinski

Polymer dynamics at large fields in Rubinstein-Duke repton model is investigated theoretically. Simple diagrammatic approach and analogy with asymmetric simple exclusion models are…

q-bio.CB2003

Complexity in the Immune System

Michael W. Deem

The immune system is a real-time example of an evolving system that navigates the essentially infinite complexity of protein sequence space. How this system responds to disease and…

cond-mat.mes-hall2003★ 13 cited

Sensitivity and Linearity of Superconducting Radio-Frequency Single-Electron Transistors: Effects of Quantum Charge Fluctuations

Madhu Thalakulam, Z. Ji, A. J. Rimberg

We have investigated the effects of quantum fluctuations of quasiparticles on the operation of superconducting radio-frequency single-electron transistors (RF-SETs) for large value…

cond-mat.soft2003★ 18 cited

Formation of soliton trains in Bose-Einstein condensates as a nonlinear Fresnel diffraction of matter waves

A. M. Kamchatnov, A. Gammal, F. Kh. Abdullaev +1

The problem of generation of atomic soliton trains in elongated Bose-Einstein condensates is considered in framework of Whitham theory of modulations of nonlinear waves. Complete a…

nucl-ex2003★ 412 cited

Identified particle distributions in pp and Au+Au collisions at sqrt{s_NN}=200 GeV

STAR Collaboration, J. Adams

Transverse mass and rapidity distributions for charged pions, charged kaons, protons and antiprotons are reported for sqrt{s_NN}=200 GeV pp and Au+Au collisions at RHIC. The transv…

astro-ph2003★ 376 cited

Multiwavelength Observations of Strong Flares From the TeV-Blazar 1ES 1959+650

H. Krawczynski, S. B. Hughes, D. Horan +16

Following the detection of strong TeV gamma-ray flares from the BL Lac object 1ES 1959+650 with the Whipple 10 m Cherenkov telescope on May 16 and 17, 2002, we performed intensive…

physics.atom-ph2003★ 160 cited

Using Absorption Imaging to Study Ion Dynamics in an Ultracold Neutral Plasma

C. E. Simien, Y. C. Chen, P. Gupta +5

We report optical absorption imaging of ultracold neutral plasmas.Images are used to measure the ion absorption spectrum, which is Doppler-broadened. Through the spectral width, we…

nucl-ex2003★ 225 cited

Azimuthal anisotropy at RHIC: the first and fourth harmonics

STAR collaboration, J. Adams

We report the first observations of the first harmonic (directed flow, v_1), and the fourth harmonic (v_4), in the azimuthal distribution of particles with respect to the reaction…

hep-ex2003★ 263 cited

Cross Sections and Transverse Single-Spin Asymmetries in Forward Neutral-Pion Production from Proton Collisions at \sqrt{s} = 200 GeV

STAR Collaboration, J. Adams

Measurements of the production of forward high-energy pi0 mesons from transversely polarized proton collisions at \sqrt{s}=200 GeV are reported. The cross section is generally cons…

cond-mat.stat-mech2003★ 127 cited

Local Inhomogeneity in Asymmetric Simple Exclusion Processes with Extended Objects

Leah B. Shaw, Anatoly B. Kolomeisky, Kelvin H. Lee

Totally asymmetric simple exclusion processes (TASEP) with particles which occupy more than one lattice site and with a local inhomogeneity far away from the boundaries are investi…

hep-ex2003★ 126 cited

Search for the Rare Decay KL --> pi0 ee

KTeV collaboration, A. Alavi-Harati

The KTeV/E799 experiment at Fermilab has searched for the rare kaon decay KL--> pi0ee. This mode is expected to have a significant CP violating component. The measurement of its br…

astro-ph2003★ 3 cited

Tomographic 3D-Modeling of the Solar Corona with FASR

Markus J. Aschwanden, David Alexander, Marc DeRosa

The "Frequency-Agile Solar Radiotelescope" (FASR) litteraly opens up a new dimension in addition to the 3D Euclidian geometry: the frequency dimension. The 3D geometry is degenerat…

astro-ph2003★ 62 cited

Mapping the Circumstellar Environment of T Tauri with Fluorescent H_2 Emission

Frederick M. Walter, Gregory Herczeg, Alexander Brown +6

We have obtained three long-slit, far UV spectra of the pre-main sequence system T Tauri. These HST/STIS spectra show a strong and variable on-source spectrum composed of both fluo…