Browsing UT Faculty/Researcher Works by Department "Physics"
Now showing items 120 of 147

Acceleration Of Protons To Above 6 MeV Using H2O >Snow> Nanowire Targets
(201211)A scheme is presented for using H2O >snow> nanowire targets for the generation of fast protons. This novel method may relax the requirements for very high laser intensities, thus reducing the size and cost of laser based ... 
Alloptical suppression of relativistic selffocusing of laser beams in plasmas
(200811)It is demonstrated that a catastrophic relativistic selffocusing (RSF) of a highpower laser pulse can be prevented alloptically by a second, much weaker, copropagating pulse. RSF suppression occurs when the difference ... 
Analytic height correlation function of rough surfaces derived from light scattering
(201610)We derive an analytic expression for the height correlation function of a homogeneous, isotropic rough surface based on the inverse wave scattering method of Kirchhoff theory. The expression directly relates the height ... 
Analytic Model Of Electron SelfInjection In A Plasma Wakefield Accelerator In The Strongly Nonlinear Bubble Regime
(201206)Selfinjection of background electrons in plasma wakefield accelerators in the highly nonlinear bubble regime is analyzed using particleincell and semianalytic modeling. It is shown that the return current in the bubble ... 
Angular Momentum Transport And Turbulence In Laboratory Models Of Keplerian Flows
(201211)We present angular momentum transport (torque) measurements in two recent experimental studies of the turbulent flow between independently rotating cylinders. In addition to these studies, we reanalyze prior torque ... 
Anisotropic Magnetoresistance in Antiferromagnetic Sr2IrO4
(201411)We report pointcontact measurements of anisotropic magnetoresistance (AMR) in a single crystal of antiferromagnetic Mott insulator Sr2IrO4. The pointcontact technique is used here as a local probe of magnetotransport ... 
Anomalous hall effect
(201005)The anomalous Hall effect (AHE) occurs in solids with broken timereversal symmetry, typically in a ferromagnetic phase, as a consequence of spinorbit coupling. Experimental and theoretical studies of the AHE are reviewed, ... 
Application Of Detuned Laser Beatwave For Generation Of FewCycle Electromagnetic Pulses
(200412)An approach to compressing highpower laser beams in plasmas via coherent Raman sideband generation is described. The technique requires two beams: a pump and a probe detuned by a nearresonant frequency Omega < omega(p). ... 
Arnold diffusion in a driven optical lattice
(201603)The effect of timeperiodic forces on matter has been a topic of growing interest since the advent of lasers. It is known that dynamical systems with 2.5 or more degrees of freedom are intrinsically unstable. As a consequence, ... 
Attraction And Repulsion Of MultiColor Laser Beams In Plasmas: A Computational Study
(200901)The nonlinear interaction of highpower multicolor laser beams in plasmas is investigated numerically. Both the relativistic mass increase and the driven plasma wave contribute to the mutual beambeam interaction and to ... 
Attractive membrane domains control lateral diffusion
(200805)Lipid membranes play a fundamental role in vital cellular functions such as signal transduction. Many of these processes rely on lateral diffusion within the membrane, generally a complex fluid containing ordered microdomains. ... 
Beltrami state in blackhole accretion disk: A magnetofluid approach
(201512)Using the magnetofluid unification framework, we show that the accretion disk plasma (embedded in the background geometry of a black hole) can relax to a class of states known as the BeltramiBernoulli (BB) equilibria. ... 
Berry phase effects on electronic properties
(201007)Ever since its discovery the notion of Berry phase has permeated through all branches of physics. Over the past three decades it was gradually realized that the Berry phase of the electronic wave function can have a profound ... 
Biological order, structure and instabilities
(Quarterly Reviews of Biophysics, 1971) 
Bouncing jet: A Newtonian liquid rebounding off a free surface
(200711)We find that a liquid jet can bounce off a bath of the same liquid if the bath is moving horizontally with respect to the jet. Previous observations of jets rebounding off a bath (e.g., the Kaye effect) have been reported ... 
Bounds on heat transport in BeacutenardMarangoni convection
(201004)For Pearson's model of BeacutenardMarangoni convection, the Nusselt number Nu is proven to be bounded as a function Marangoni number Ma according to Nu < 0.838xMa(2/7) for infinite Prandtl number and according to Nu less ... 
Broadband boundary effects on Brownian motion
(201512)Brownian motion of particles in confined fluids is important for many applications, yet the effects of the boundary over a wide range of time scales are still not well understood. We report highbandwidth, comprehensive ... 
Cargo Transport by Cytoplasmic Dynein Can Center Embryonic Centrosomes
(PLOS One, 20130701)To complete meiosis II in animal cells, the male DNA material needs to meet the female DNA material contained in the female pronucleus at the egg center, but it is not known how the male pronucleus, deposited by the sperm ... 
Chaos and band structure in a threedimensional optical lattice
(201504)Classical chaos is known to affect wave propagation because it signifies the presence of broken symmetries. The effect of chaos has been observed experimentally for matter waves, electromagnetic waves, and acoustic waves. ... 
Chaos in the honeycomb opticallattice unit cell
(201601)Natural and artificial honeycomb lattices are of great interest because the band structure of these lattices, if properly constructed, contains a Dirac point. Such lattices occur naturally in the form of graphene and carbon ...