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Browse Dissertations and Theses  Physics by Title
Now showing items 10921111 of 1867

(20140116)The temperature dependence of the magnetic penetration depth (λ) has been measured in single crystals of BaFe2As2 that have been driven into superconductivity by several different kinds of dopants, specifically potassium, ...
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(1960)A systematic study by electron spin resonance and electronnuclear double resonance at low temperatures of the Fcenter in KCl, NaCl, LiCl, NaF, and LiF is reported, together with an inconclusive observation of the Mcenter ...
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(1978)We have used Xband electron paramagnetic resonance (EPR) to study octahec1rally coordinated rare earth ions in the host lattice CSNaYC16, This host is ,ideal for EPR work, because all the trivalent rare earths will ...
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(1967)De Gennes' equation for the gap parameter in superposed films of normal and superconducting materials have been s9lved via a numerical technique. Thia is based upon a variation approach used by Silvert and Cooper. The ...
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(1967)The cross section for the reaction KD > Knm The cross section for the reaction X D .. ~K n n has been measured for the laboratory momentum interval from threshold (96.7) to 300 Mev/c. The cross section is found to ...
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(20100831)The mean life of the positive muon has been measured to partpermillion precision using a timestructured beam, a ferromagnetic target, and a fast, multisegmented and symmetric scintillator detection array. The result, ...
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(1979)Dimuon production has been studied at 217 Gev/c in pi hydrogen and pi beryllium collisions with a multiparticle spectrometer to detect associated particles. Particular attention has. been paid to the PSI Gamma ...
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(1988)A path integral formulation of the SU(N) Kondo model is explored as a possible theoretical tool for studying generalizations of the model, such as the Kondo lattice, which are difficult to study by other means. Saddle ...
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(20140916)Path integral Monte Carlo is a proven method for accurately simulating quantum mechanical systems at finitetemperature. By stochastically sampling Feynman's path integral representation of the quantum manybody density ...
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(2001)Below Tλ = 2.17 K, bulk 4He is a superfluid and has a nonzero BoseEinstein condensate fraction. This work will focus primarily on how phenomena such as superfluidity, Bose condensation and superfluid vortices are ...
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(1994)Based on Richard P. Feynman's formulation of quantum mechanics, Path Integral Monte Carlo is a computational abinitio method to calculate finite temperature equilibrium properties of quantum manybody systems. As input, ...
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(1990)We study two representative problems related to the dynamics of pattern formation in nonlinear, dissipative systems far from equilibrium. The first problem addresses the dynamical mechanism of velocity and shape selection ...
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(20100820)The temperature dependence of the magnetic penetration depth (λ) has been measured in single crystals of fully deuterated κ(ET)2Cu[N(CN)2]Br. This material separates into superconducting (SC) and antiferromagnetic (AFI) ...
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Now showing items 10921111 of 1867