### Recent Submissions

• #### [2013-01-31]Nonlinear Microscopy for Material Characterization ﻿

Making use of femtosecond laser sources, nonlinear microscopy provides access to previously unstudied aspects of materials. By probing third order nonlinear optical signals determined by the nonlinear susceptibility chi(3), ...
• #### [2013-01-31]Parsec-scale properties of gamma-ray bright blazars ﻿

The parsec-scale radio properties of blazars detected by the Large Area Telescope (LAT) on board the Fermi Gamma-ray Space Telescope have been investigated using observations with the Very Long Baseline Array (VLBA). ...
• #### [2013-01-30]Transport theoretical studies of some microscopic and macroscopic systems ﻿

This dissertation is a report on theoretical transport studies of two systems of vastly different sizes. The first topic is electronic motion in quantum wires. In recent years, it has become possible to fabricate wires ...
• #### [2012-08-28]Indirect detection signals beyond the simplest supersymmetric dark matter ﻿

Indirect detection of gamma rays, neutrinos and charged cosmic rays from dark matter annihilation sheds light on the identity of dark matter and compliments direct detection and collider dark matter searches. By testing ...
• #### [2012-08-28]Development and characterization of a 171Yb+ miniature ion trap frequency standard ﻿

This dissertation reports on the development of a low-power, high-stability miniature atomic frequency standard based on 171Yb+ ions. The ions are buffer-gas cooled and held in a linear quadrupole trap that is integrated ...
• #### [2012-08-28]Quantum correlations, chaos and information ﻿

Quantum chaos is the study of quantum systems whose classical description is chaotic. How does chaos manifest itself in the quantum world? In this spirit, we study the dynamical generation of entanglement as a signature ...
• #### [2012-08-28]CR geometry and twisting type N vacuum solutions ﻿

In the search for vacuum solutions, with or without the cosmological constant Λ, of the Einstein field equations for Petrov type N with twisting principal null directions, the CR structures, which describe the parameter ...
• #### [2012-08-28]Nonlinear interferometry with Bose-Einstein condensates ﻿

This dissertation investigates the possibility of using a two-mode Bose-Einstein condensate (BEC) of N atoms to implement a nonlinear Ramsey interferometer whose detection uncertainty scales better than the optimal 1/N ...
• #### [2012-08-27]Quantum algorithms, symmetry, and Fourier analysis ﻿

I describe the role of symmetry in two quantum algorithms, with a focus on how that symmetry is made manifest by the Fourier transform. The Fourier transform can be considered in a wider context than the familiar one of ...
• #### [2012-08-27]Fault-tolerance in two-dimensional topological systems ﻿

This thesis is a collection of ideas with the general goal of building, at least in the abstract, a local fault-tolerant quantum computer. The connection between quantum information and topology has proven to be an ...
• #### [2012-07-06]Search for physics beyond the standard model in the trilepton signature in pbar-p collisions at sqrt s = 1.96 TeV with CDF II ﻿

The standard model (SM) of particles and fields is a theory that has proven very accurate in the currently accessible collider energies. Nonetheless, the SM is theoretically incomplete in the sense that it leaves many ...
• #### [2012-07-06]Dynamics and distribution of immunoglobolin E receptors : a dialog between experiment and theory ﻿

This dissertation explores the dynamics and distribution of immunoglobulin E receptors (FceRI) on mast cells by drawing on the techniques of experimental and theoretical physics. The motivation for these investigations is ...
• #### [2012-07-05]Development of planar and 3D silicon sensor technologies for the ATLAS experiment upgrades and measurements of heavy quark production fractions with fully reconstructed D-star mesons with ATLAS ﻿

Several particle detector technologies were studied. These include measurements of the leakage current and capacitance of irradiated planar and 3D sensors. The inter-electrode capacitance of proton irradiated 3D sensors ...
• #### [2012-07-02]Design and construction of a Bose Einstein condensate machine ﻿

A dilute gas Bose Einstein condensate (BEC) is a state of matter that occurs when a cloud of atoms in a potential are made cold and dense enough that they all occupy the potential's ground state. The onset of this phenomenon ...
• #### [2012-05-14]Identified charged hadron production in p+ p collisions at sqrt [s]= 200 and 62.4 GeV ﻿

Transverse momentum distributions and yields for π±, K±, p, and p̄ in p+p collisions at √s = 200 and 62.4 GeV at midrapidity are measured by the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC). These data ...
• #### [2012-05-14]Event structure and double helicity asymmetry in jet production from polarized p+ p collisions at sqrt [s]= 200 GeV ﻿

We report on the event structure and double helicity asymmetry (ALL) of jet production in longitudinally polarized p+p collisions at √s=200  GeV. Photons and charged particles were measured by the PHENIX experiment at ...
• #### [2012-05-14]Suppression of away-side jet fragments with respect to the reaction plane in Au+ Au collisions at sqrt [s_ {NN}]= 200 GeV ﻿

Pair correlations between large transverse momentum neutral pion triggers (pT=4--7 GeV/c) and charged hadron partners (pT=3--7 GeV/c) in central (0%–20%) and midcentral (20%–60%) Au+Au collisions at √sNN=200 GeV are presented ...
• #### [2012-05-14]Heavy-quark production in p+ p and energy loss and flow of heavy quarks in Au+ Au collisions at sqrt [s_ {NN}]= 200 GeV ﻿

Transverse momentum spectra of electrons (pTe) from semileptonic weak decays of heavy-flavor mesons in the range of 0.3<pTe<9.0 GeV/c have been measured at midrapidity (|y|<0.35) by the PHENIX experiment at the Relativistic ...
• #### [2012-05-14]Suppression of Back-to-Back Hadron Pairs at Forward Rapidity in d+ Au Collisions at sqrt [s_ {NN}]= 200 GeV ﻿

Back-to-back hadron pair yields in d+Au and p+p collisions at √sNN=200  GeV were measured with the PHENIX detector at the Relativistic Heavy Ion Collider. Rapidity separated hadron pairs were detected with the trigger ...
• #### [2012-05-14]Cold Nuclear Matter Effects on J/ψ Yields as a Function of Rapidity and Nuclear Geometry in d+ A Collisions at sqrt [s_ {NN}]= 200 GeV ﻿

We present measurements of J/ψ yields in d+Au collisions at √sNN=200  GeV recorded by the PHENIX experiment and compare them with yields in p+p collisions at the same energy per nucleon-nucleon collision. The measurements ...

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