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1

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Physics of a disordered Dirac point in epitaxial graphene from temperature-dependent magnetotransport measurements (2015)

J. Huang, J. A. Alexander-Webber, A. M. R. Baker, T. J. B. M. Janssen, A. Tzalenchuk, V. Antonov, T. Yager, S. Lara-Avila, S. Kubatkin, R. Yakimova, and R. J. Nicholas

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2015-08-08

Beschreibung: Author(s): J. Huang, J. A. Alexander-Webber, A. M. R. Baker, T. J. B. M. Janssen, A. Tzalenchuk, V. Antonov, T. Yager, S. Lara-Avila, S. Kubatkin, R. Yakimova, and R. J. Nicholas We report a study of disorder effects on epitaxial graphene in the vicinity of the Dirac point by magnetotransport. Hall effect measurements show that the carrier density increases quadratically with temperature, in good agreement with theoretical predictions which take into account intrinsic therma… [Phys. Rev. B 92, 075407] Published Thu Aug 06, 2015

Schlagwort(e): Surface physics, nanoscale physics, low-dimensional systems

Print ISSN: 1098-0121

Digitale ISSN: 1095-3795

Thema: Physik

Publiziert von American Physical Society (APS)

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Effect of long- and short-range order on SiGe alloy thermal conductivity: Molecular dynamics simulation (2015)

Christopher H. Baker and Pamela M. Norris

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2015-05-15

Beschreibung: Author(s): Christopher H. Baker and Pamela M. Norris We report the role of long- and short-range order on the thermal conductivity and mode relaxation times of a model Si 0.5 Ge 0.5 alloy using molecular dynamics simulation. All interactions used the Stillinger-Weber potential and the Si and Ge atoms differed only by their mass. The simulated alloys were... [Phys. Rev. B 91, 180302(R)] Published Tue May 12, 2015

Schlagwort(e): Dynamics, dynamical systems, lattice effects

Print ISSN: 1098-0121

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Thema: Physik

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3

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Spin-liquid ground state in the frustrated J_{1} −J_{2} zigzag chain system BaTb_{2} O_{4} (2015)

A. A. Aczel, L. Li, V. O. Garlea, J.-Q. Yan, F. Weickert, V. S. Zapf, R. Movshovich, M. Jaime, P. J. Baker, V. Keppens, and D. Mandrus

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2015-07-14

Beschreibung: Author(s): A. A. Aczel, L. Li, V. O. Garlea, J.-Q. Yan, F. Weickert, V. S. Zapf, R. Movshovich, M. Jaime, P. J. Baker, V. Keppens, and D. Mandrus We have investigated polycrystalline samples of the zigzag chain system BaTb 2 O 4 with magnetic susceptibility, heat capacity, neutron powder diffraction, and muon spin relaxation ( μ SR ) . No magnetic transitions are observed in the bulk measurements, while neutron diffraction reveals the presence of lo… [Phys. Rev. B 92, 041110(R)] Published Mon Jul 13, 2015

Schlagwort(e): Electronic structure and strongly correlated systems

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Thema: Physik

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Mapping the chemical potential landscape of a triple quantum dot (2016)

M. A. Broome, S. K. Gorman, J. G. Keizer, T. F. Watson, S. J. Hile, W. J. Baker, and M. Y. Simmons

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2016-08-27

Beschreibung: Author(s): M. A. Broome, S. K. Gorman, J. G. Keizer, T. F. Watson, S. J. Hile, W. J. Baker, and M. Y. Simmons We investigate the nonequilibrium charge dynamics of a triple quantum dot and demonstrate how electron transport through these systems can give rise to nontrivial tunneling paths. Using a real-time charge sensing method, we establish tunneling pathways taken by particular electrons under well-define… [Phys. Rev. B 94, 054314] Published Fri Aug 26, 2016

Schlagwort(e): Dynamics, dynamical systems, lattice effects

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Thema: Physik

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5

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Fluid interactions with metafilms/metasurfaces for tuning, sensing, and microwave-assisted chemical processes (2011)

Joshua A. Gordon, Christopher L. Holloway, James Booth, Sung Kim, Yu Wang, James Baker-Jarvis, and David R. Novotny

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2011-05-26

Beschreibung: Author(s): Joshua A. Gordon, Christopher L. Holloway, James Booth, Sung Kim, Yu Wang, James Baker-Jarvis, and David R. Novotny In this paper we demonstrate tunability of a metasurface, which is the two-dimensional equivalent of a metamaterial, also referred to as a metafilm, by changing the permittivity in a continuous flow channel that interacts with the metasurface. Numerical simulations and experimental results are prese... [Phys. Rev. B 83, 205130] Published Wed May 25, 2011

Schlagwort(e): Electronic structure and strongly correlated systems

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Thema: Physik

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6

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One-dimensional mimicking of electronic structure: The case for exponentials (2015)

Thomas E. Baker, E. Miles Stoudenmire, Lucas O. Wagner, Kieron Burke, and Steven R. White

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2015-06-27

Beschreibung: Author(s): Thomas E. Baker, E. Miles Stoudenmire, Lucas O. Wagner, Kieron Burke, and Steven R. White An exponential interaction is constructed so that one-dimensional atoms and chains of atoms mimic the general behavior of their three-dimensional counterparts. Relative to the more commonly used soft-Coulomb interaction, the exponential greatly diminishes the computational time needed for calculatin… [Phys. Rev. B 91, 235141] Published Wed Jun 24, 2015

Schlagwort(e): Electronic structure and strongly correlated systems

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Thema: Physik

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7

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Compression of Positron Clouds in the Independent Particle Regime (2011)

C. A. Isaac, C. J. Baker, T. Mortensen, D. P. van der Werf, and M. Charlton

American Physical Society (APS)

In: Physical Review Letters

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Publikationsdatum: 2011-07-13

Beschreibung: Author(s): C. A. Isaac, C. J. Baker, T. Mortensen, D. P. van der Werf, and M. Charlton The application of an asymmetric dipolar electric field rotating at a frequency close to that of the axial bounce of a collection of trapped positrons has, in the presence of a low pressure molecular gas to provide cooling, been used to achieve compression of the cloud. A theory of this effect has b... [Phys. Rev. Lett. 107, 033201] Published Tue Jul 12, 2011

Schlagwort(e): Atomic, Molecular, and Optical Physics

Print ISSN: 0031-9007

Digitale ISSN: 1079-7114

Thema: Physik

Publiziert von American Physical Society (APS)

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8

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Energy relaxation for hot Dirac fermions in graphene and breakdown of the quantum Hall effect (2012)

A. M. R. Baker, J. A. Alexander-Webber, T. Altebaeumer, and R. J. Nicholas

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2012-03-06

Beschreibung: Author(s): A. M. R. Baker, J. A. Alexander-Webber, T. Altebaeumer, and R. J. Nicholas Energy loss rates for hot carriers in graphene are experimentally investigated by observing the amplitude of Shubnikov-de Haas oscillations as a function of electric field. The carrier energy loss in graphene follows the predictions of deformation potential coupling going as ∼ T 4 at carrier temperatu... [Phys. Rev. B 85, 115403] Published Mon Mar 05, 2012

Schlagwort(e): Surface physics, nanoscale physics, low-dimensional systems

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Thema: Physik

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9

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Magnetoelastic coupling in bulk and nanoscale MnO (2011)

Q.-C. Sun, S. N. Baker, A. D. Christianson, and J. L. Musfeldt

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2011-07-06

Beschreibung: Author(s): Q.-C. Sun, S. N. Baker, A. D. Christianson, and J. L. Musfeldt Phonons are exquisitely sensitive to finite length scale effects because they are intimately connected to charge, structure, and magnetism, and a quantitative analysis of their behavior can reveal microscopic aspects of spin-lattice interaction. To investigate these effects in a model correlated oxi... [Phys. Rev. B 84, 014301] Published Tue Jul 05, 2011

Schlagwort(e): Dynamics, dynamical systems, lattice effects

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10

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Application of the wavelet transform to nanoscale thermal transport (2012)

Christopher H. Baker, Donald A. Jordan, and Pamela M. Norris

American Physical Society (APS)

In: Physical Review B

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Publikationsdatum: 2012-09-21

Beschreibung: Author(s): Christopher H. Baker, Donald A. Jordan, and Pamela M. Norris The continuous wavelet transform is employed to analyze the dynamics and time-dependent energy distribution of phonon wave-packet propagation and scattering in molecular dynamics simulations. The equations of the one-dimensional continuous wavelet transform are presented and then discretized for imp... [Phys. Rev. B 86, 104306] Published Thu Sep 20, 2012

Schlagwort(e): Dynamics, dynamical systems, lattice effects

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